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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">As
filed with the Securities and Exchange Commission on June 15, 2009</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: right" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;<font style="DISPLAY: inline">Registration No. 333-_____</font></font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">UNITED
STATES</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">SECURITIES
AND EXCHANGE COMMISSION</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Washington,
D.&#160;C. 20549</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">_____________________________________________</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">FORM
S-8</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">REGISTRATION
STATEMENT UNDER</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">THE
SECURITIES ACT OF 1933</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">_____________________________________________</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">INSITUFORM
TECHNOLOGIES, INC.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Exact
name of registrant as specified in its charter)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 88.95pt"></font>DELAWARE&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;</font>&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;17988 Edison
Ave.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;13-3032158</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 49.7pt"></font>(State or other jurisdiction of<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;</font>&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;</font><font style="DISPLAY: inline; FONT-WEIGHT: bold">Chesterfield, Missouri
63005</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;(I.R.S.
Employer</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 46.65pt"></font>incorporation or
organization)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;</font>&#160;&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">(636)
530-8000</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;&#160;Identification
No.)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 169.2pt"></font><font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;</font>(Address of Principal Executive
Offices)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">INSITUFORM
TECHNOLOGIES, INC.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">2009
EMPLOYEE EQUITY INCENTIVE PLAN</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Full
title of the plan)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">DAVID
F. MORRIS</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Senior
Vice President, General Counsel, Chief Administrative Officer and
Secretary</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Insituform
Technologies, Inc.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">17988
Edison Ave.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Chesterfield,
Missouri 63005</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(636)
530-8000</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Name,
address and telephone number,</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">including
area code, of agent for service)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Copy
to:</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">ROBERT
M. LAROSE, ESQ.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Thompson
Coburn LLP</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">One
US Bank Plaza</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">St.
Louis, Missouri&#160;&#160;63101</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Telephone:&#160;&#160;(314)
552-6000</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Facsimile:&#160;&#160;(314)
552-7000</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 34.55pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Indicate
by check mark whether the registrant is a large accelerated filer, an
accelerated filer, a non-accelerated filer, or a smaller reporting
company.&#160;&#160;See the definitions of &#8220;large accelerated filer,&#8221;
&#8220;accelerated filer&#8221; and &#8220;smaller reporting company&#8221; in Rule 12b-2 of the
Exchange Act.&#160;&#160;(Check one):</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 34.55pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Large accelerated
filer&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font style="DISPLAY: inline;" face="Wingdings">o</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Accelerated
filer&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;</font>&#160;</font>&#160;<font style="DISPLAY: inline;" face="Wingdings">x</font><a name="Check2" /></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 34.55pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Non-accelerated
filer&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &#160;&#160;&#160;<font style="DISPLAY: inline;" face="Wingdings">o</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Smaller
reporting company<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;
&#160;</font>&#160;<font style="DISPLAY: inline;" face="Wingdings">o</font></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">CALCULATION
OF REGISTRATION FEE</font></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">
          <tr>
            <td valign="top" width="24%" style="BORDER-TOP: black 2.25pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Title
      of each class of</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">securities
      to be registered</font></div>
            </td>
            <td valign="top" width="13%" style="BORDER-TOP: black 2.25pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Amount
      to be </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">registered</font></div>
            </td>
            <td valign="top" width="13%" style="BORDER-TOP: black 2.25pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Proposed&#160;&#160;</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">maximum
      </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">offering
      price per </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">share</font></div>
            </td>
            <td valign="top" width="19%" style="BORDER-TOP: black 2.25pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Proposed
      maximum </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">aggregate
      offering price</font></div>
            </td>
            <td valign="top" width="12%" style="BORDER-TOP: black 2.25pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Amount
      of </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">registration
      </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">fee<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super; FONT-FAMILY: times new roman">(3)</font></font></div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="24%" style="BORDER-BOTTOM: black 4px double">
              <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Class
      A Common Stock, </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">$0.01
      par value <font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super">(1)</font></font></div>
            </td>
            <td valign="middle" width="13%" style="BORDER-BOTTOM: black 4px double">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">2,500,000</font></div>
            </td>
            <td valign="middle" width="13%" style="BORDER-BOTTOM: black 4px double">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">$15.15<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super">(2)</font></font></div>
            </td>
            <td valign="middle" width="19%" style="BORDER-BOTTOM: black 4px double">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">$37,875,000<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super">(2)</font></font></div>
            </td>
            <td valign="middle" width="12%" style="BORDER-BOTTOM: black 4px double">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">$2,113.43</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
          <tr valign="top">
            <td style="WIDTH: 36pt">
              <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;
      </font></div>
            </td>
            <td style="WIDTH: 18pt">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super">(1)</font></font></div>
            </td>
            <td>
              <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Includes
      one attached Preferred Stock Purchase Right per
  share.</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
          <tr valign="top">
            <td style="WIDTH: 36pt">
              <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;
      </font></div>
            </td>
            <td style="WIDTH: 18pt">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super">(2)</font></font></div>
            </td>
            <td>
              <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Estimated
      solely for the purposes of computing the Registration Fee pursuant to the
      provisions of Rule 457(c) and (h) of the Securities Act, based upon the
      average of the high and low sale prices of Class A common stock, $0.01 par
      value, of the Registrant as reported on The Nasdaq Global Select Market on
      June 4, 2009.</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
          <tr valign="top">
            <td style="WIDTH: 36pt">
              <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;
      </font></div>
            </td>
            <td style="WIDTH: 18pt">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super">(3)</font></font></div>
            </td>
            <td>
              <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      registration fee has been calculated pursuant to Section 6(b) of the
      Securities Act as follows:&#160;&#160;$55.80 per million dollars of the
      Proposed Maximum Aggregate Offering Price of the shares of stock
      registered hereby. </font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 570.2pt"></font><br></div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">&#160;</div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
        <div>
          <hr style="MARGIN-TOP: -5px; COLOR: #000000" noshade size="1">
          <hr style="MARGIN-TOP: -13px; COLOR: #000000" noshade size="4">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>The undersigned registrant, Insituform
Technologies, Inc. (the &#8220;Registrant&#8221;), hereby files this Registration Statement
on Form&#160;S-8 (this &#8220;Registration Statement&#8221;) to register two million five
hundred thousand (2,500,000) shares of the Registrant&#8217;s Class A common stock,
$0.01 par value, and attached Preferred Share Purchase Rights, for issuance to
participants under the Insituform Technologies, Inc. 2009 Employee Equity
Incentive Plan.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">PART
II</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
3.&#160; &#160;&#160;&#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">Incorporation of Certain
Documents by Reference</font>.</font></div>
    <div><br><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;&#160;</font>&#160;<font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The following documents
filed by the Company with the Securities and Exchange Commission are
incorporated herein by reference:</font></font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 50px">
              <div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(i)&#160;&#160;</font></div>
            </td>
            <td width="932">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      Company&#8217;s Annual Report on Form 10-K for the fiscal year ended December
      31, 2008;</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 50px">
              <div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(ii)&#160;&#160;</font></div>
            </td>
            <td width="932">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      Company&#8217;s Quarterly Report on Form 10-Q for the fiscal quarter ended March
      31, 2009;</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 50px">
              <div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(iii)&#160;&#160;</font></div>
            </td>
            <td width="932">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      Company&#8217;s Current Reports on Form 8-K and Form 8-K/A filed on February 2,
      2009, February 17, 2009, February 26, 2009, April 3, 2009, April 28, 2009
      (Item 8.01 only), May 5, 2009 and May 28, 2009;
  and</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 50px">
              <div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(iv)&#160;&#160;</font></div>
            </td>
            <td width="932">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      description of the Company&#8217;s Class A common stock as set forth in the
      Company&#8217;s Registration Statement filed pursuant to Section 12 of the
      Exchange Act, including any amendments or reports filed for the purpose of
      updating such description.</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;Such incorporation by reference
shall not be deemed to incorporate by reference the information referred to in
Item&#160;201(e) and Item 407(e) of Regulation S-K.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;All documents filed by the
Company pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act
after the date of this Registration Statement and prior to the filing of a
post-effective amendment which indicates that all securities offered hereby have
been sold or which deregisters all securities remaining unsold, shall be deemed
to be incorporated by reference in this Registration Statement and to be made a
part hereof from the date of filing of such documents.&#160;&#160;Any statements
contained herein or in a document incorporated herein by reference shall be
deemed to be modified or superseded for purposes of this Registration Statement
to the extent that a statement contained in a subsequently filed document
incorporated herein by reference modifies or supersedes such
document.&#160;&#160;Any statement so modified or superseded shall not be
deemed, except as so modified or superseded, to constitute a part of this
Registration Statement.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
6.&#160;&#160; &#160;&#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">Indemnification of Directors
and Officers</font>.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;Section 102 of the Delaware
General Corporation Law allows a corporation to limit directors' personal
liability to the corporation or its stockholders from monetary damages for
breach of fiduciary duty as a director, with certain exceptions. Paragraph Tenth
of the Company's Restated Certificate of Incorporation, as amended, provides
that a director of the Company shall not be personally liable to the Company or
its stockholders for monetary damages for breach of fiduciary duty as a
director, except for liability (i) for any breach of the director's duty of
loyalty to the Company or its stockholders, (ii) for acts or omissions not in
good faith or which involve intentional misconduct or a knowing violation of
law, (iii) for unlawful payment of dividends or for unlawful stock purchase or
redemption of the Company's stock under Section 174 of the Delaware General
Corporation Law, (iv) for any transaction from which the director derived an
improper personal benefit, or (v) for any act or omission occurring prior to the
date Paragraph Tenth became effective.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;Section 145 of the Delaware
General Corporation Law permits a corporation, subject to the standards set
forth therein, to indemnify any person in connection with any action, suit or
proceeding brought or threatened by reason of the fact that such person is or
was a director, officer, employee or agent of the corporation or is or was
serving as such with respect to another entity at the request of the
corporation. The Company&#8217;s Restated Certificate of Incorporation, as amended,
provides for full indemnification of its directors and officers to the extent
permitted by Section 145.&#160;&#160;In addition, Article V of the Company&#8217;s
Amended and Restated By-Laws provides for indemnification of persons by reason
of the fact that he or she is or was serving as a director or officer of the
Company.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;In addition to the provisions in
its Restated Certificate of Incorporation, as amended, and its Amended and
Restated By-Laws, the Company has taken such other steps as are reasonably
necessary to effect its indemnification policy. Included among these other steps
is liability insurance provided by the Company for its directors and officers
for certain losses arising from claims or charges made against them in their
capacities as directors or officers of the Company. The Company has also entered
into indemnification agreements with individual directors.&#160;&#160;These
agreements generally provide the directors with a contractual right of
indemnification to the full extent provided by applicable law and the charter
documents of the Company as in effect at the respective dates of such
agreements.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
8.&#160; &#160;&#160; <font style="DISPLAY: inline; TEXT-DECORATION: underline">Exhibits</font>.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>See Exhibit Index on page 7
hereof.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
9.&#160; &#160; &#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">Undertakings</font>.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;The
undersigned registrant hereby undertakes:</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(1)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;To
file, during any period in which offers or sales are being made, a
post-effective amendment to this registration statement:</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 72pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(i)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;To
include any prospectus required by Section 10(a)(3) of the Securities Act of
1933;</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 72pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(ii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;To
reflect in the prospectus any facts or events arising after the effective date
of the registration statement (or the most recent post-effective amendment
thereof), which, individually or in the aggregate, represent a fundamental
change in the information set forth in the registration
statement.&#160;&#160;Notwithstanding the foregoing, any increase or decrease in
volume of securities offered (if the total dollar value of securities offered
would not exceed that which was registered) and any deviation from the low or
high end of the estimated maximum offering range may be reflected in the form of
prospectus filed with the Commission pursuant to Rule 424(b) (&#167;230.424(b) of
this chapter) if, in the aggregate, the changes in volume and price represent no
more than 20% change in the maximum aggregate offering price set forth in the
&#8220;Calculation of Registration Fee&#8221; table in the effective registration
statement;</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 72pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(iii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;To
include any material information with respect to the plan of
distribution&#160;&#160;previously disclosed in the registration statement or
any material change to such information in the registration
statement;</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">provided,
however, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the
registration statement is on Form S-3, Form S-8 or Form F-3, and the information
required to be included in a post-effective amendment by those paragraphs is
contained in periodic reports filed with or furnished to the Commission by the
registrant pursuant to Section 13 or Section 15(d) of the Securities Exchange
Act of 1934 that are incorporated by reference in the registration
statement.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(2)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;That,
for the purpose of determining any liability under the Securities Act of 1933,
each such post-effective amendment shall be deemed to be a new registration
statement relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering
thereof.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 36pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(3)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;To
remove from registration by means of a post-effective amendment any of the
securities being registered which remain unsold at the termination of the
offering.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;The
undersigned registrant hereby undertakes that, for purposes of determining any
liability under the Securities Act of 1933, each filing of the registrant&#8217;s
annual report pursuant to Section 13(a) or Section 15(d) of the Securities
Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
plan&#8217;s annual report pursuant to Section 15(d) of the Securities Exchange Act of
1934) that is incorporated by reference in the registration statement shall be
deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>&#160;(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Insofar
as indemnification for liabilities arising under the Securities Act of 1933 may
be permitted to directors, officers and controlling persons of the registrant
pursuant to the foregoing provisions, or otherwise, the registrant has been
advised that in the opinion of the Securities and Exchange Commission such
indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable.&#160;&#160;In the event that a claim for
indemnification against such liabilities (other than the payment by the
registrant of expenses incurred or paid by a director, officer or controlling
person of the registrant in the successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">SIGNATURES</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; TEXT-DECORATION: underline">The
Registrant</font>.&#160;&#160;Pursuant to the requirements of the Securities Act
of 1933, the registrant certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form&#160;S-8 and has duly caused
this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the County of St. Louis, State of Missouri, on
June 15, 2009.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
      <div>
        <table border="0" cellpadding="0" cellspacing="0" width="100%">
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td colspan="2" valign="top" width="38%">
                <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">INSITUFORM TECHNOLOGIES,
      INC.</font></font></div>
                <div>&#160;</div>
              </td>
              <td valign="top" width="12%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="3%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="35%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="12%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td align="left" valign="top" width="50%" style="BORDER-BOTTOM: #ffffff solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
              </td>
              <td valign="bottom" width="3%" style="BORDER-BOTTOM: #ffffff solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">By:
      </font></div>
              </td>
              <td align="left" nowrap valign="bottom" width="35%" style="PADDING-BOTTOM: 4px"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">/s/&#160;
      J. Joseph Burgess</font></td>
              <td valign="top" width="12%" style="BORDER-BOTTOM: #ffffff solid"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="3%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td align="left" nowrap valign="bottom" width="35%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">J.
      Joseph Burgess</font></td>
              <td valign="top" width="12%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="3%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="35%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">President
      and Chief Executive Officer</font></td>
              <td valign="top" width="12%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="3%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="35%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="12%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
        </table>
      </div>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 216pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">POWER
OF ATTORNEY</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Each person whose signature appears
below hereby constitutes and appoints J. Joseph Burgess, and David F. Morris,
and each of them, the undersigned&#8217;s true and lawful attorneys-in-fact and
agents, with full power of substitution and resubstitution, for the undersigned
and in the undersigned&#8217;s name, place and stead, in any and all capacities, to
sign any and all amendments (including post-effective amendments) to this
Registration Statement on Form S-8 with respect to the Insituform Technologies,
Inc. 2009 Employee Equity Incentive Plan, and to file the same, with exhibits
and any and all other documents filed with respect thereto, with the Securities
and Exchange Commission (or any other governmental or regulatory authority),
granting unto said attorneys-in-fact and agents, and each of them, full power
and authority to do and to perform each and every act and thing requisite and
necessary to be done in ratifying and confirming all that said attorneys-in-fact
and agents, or any of them, or their substitute or substitutes may lawfully do
or cause to be done by virtue hereof.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Pursuant to the requirements of the
Securities Act of 1933, this Registration Statement has been signed by the
following persons in the capacities and on the date indicated.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <div align="center">
        <div align="center">
          <div align="center">
            <div align="center">
              <div align="center">
                <div align="center">
                  <table cellpadding="0" cellspacing="0" width="80%">
                      <tr>
                        <td valign="top" width="27%" style="PADDING-BOTTOM: 2px">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline"><font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font style="TEXT-DECORATION: underline">Signature</font></font></font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
                        </td>
                        <td valign="top" width="27%" style="PADDING-BOTTOM: 2px">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline"><font style="DISPLAY: inline">Title</font></font></div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline"><font style="DISPLAY: inline">Date</font></font></div>
                        </td>
                      </tr>
                      <tr>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">/s/
      J. Joseph Burgess</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">J.
      Joseph Burgess</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">President
      and Chief Executive </font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Officer
      and Director</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;(Principal
      Executive Officer)</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">June
      15, 2009</font></div>
                        </td>
                      </tr>
                      <tr>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left" align="justify"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">/s/
      David A. Martin</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">David
      A. Martin</font></div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Senior
      Vice President and Chief </font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Financial
      Officer</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(Principal
      Financial </font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">and
      Accounting Officer)</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">June
      15, 2009</font></div>
                        </td>
                      </tr>
                      <tr>
                        <td valign="top" width="27%">
                          <div> <font size="2" style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Times New Roman">      </font>
                            <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div>
                          </div>
                          <div><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Alfred L.
      Woods</font></div>
                          <div>&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="TEXT-ALIGN: center"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;Chairman of
      the Board</font></div>
                        </td>
                        <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
                      </tr>
                      <tr>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">/s/
      Stephen P. Cortinovis</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Stephen
      P. Cortinovis</font></div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Director</font></div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">June
      15, 2009</font></div>
                        </td>
                      </tr>
                      <tr>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">/s/
      Stephanie A. Cuskley</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Stephanie
      A. Cuskley</font></div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Director</font></div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">June
      15, 2009</font></div>
                        </td>
                      </tr>
                      <tr>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">/s/
      John P. Dubinsky</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">John
      P. Dubinsky</font></div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                          <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Director</font></div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">June
      15, 2009</font></div>
                        </td>
                      </tr>
                      <tr>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline">/s/
      Juanita H. Hinshaw</font></div>
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Juanita
      H. Hinshaw</font></div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Director</font></div>
                        </td>
                        <td valign="top" width="27%">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">June
      15,
2009</font></div>
                        </td>
                      </tr>
                  </table>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; TEXT-DECORATION: underline">EXHIBIT
INDEX</font></font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <div align="center">
        <table cellpadding="0" cellspacing="0" width="100%">
            <tr>
              <td valign="top" width="11%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman; TEXT-DECORATION: underline"><font style="DISPLAY: inline">Exhibit No.</font></font></div>
              </td>
              <td valign="top" width="69%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
      </font></td>
            </tr>
            <tr>
              <td valign="top" width="11%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">3.1</font></div>
                <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              </td>
              <td valign="top" width="69%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Restated
      Certificate of Incorporation of the Company, as amended through April 27,
      2005 (incorporated by reference to Exhibit 3.1 to the quarterly report on
      Form 10-Q for the quarter ended March 31, 2007), and Certificate of
      Designation, Preferences and Rights of Series A Junior Participating
      Preferred Stock (incorporated by reference to Exhibit 3.1 to the Company&#8217;s
      Annual Report on Form 10-K for the year ended December 31,
      2001).</font></div>
                <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="11%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">3.2</font></div>
              </td>
              <td align="left" valign="top" width="69%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Amended
      and Restated By-Laws of the Company, as amended through January 31, 2009
      (incorporated by reference to Exhibit 3.1 to the current report on Form
      8-K filed February 2, 2009).</font></div>
                <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="11%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">4.1</font></div>
              </td>
              <td align="left" valign="top" width="69%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Rights
      Agreement dated as of February 26, 2002 between the Company and American
      Stock Transfer &amp; Trust Company (incorporated by reference to Exhibit 1
      to the Registration Statement on Form 8-A filed March 8,
      2002).</font></div>
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      of Thompson Coburn LLP.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              </td>
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              </td>
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      of PricewaterhouseCoopers LLP.</font></div>
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[{"type": "S-8", "sequence": "1", "filename": "forms8061109.htm", "description": "FORM S-8 DATED JUNE 15, 2009", "secsgml_size_bytes": 76541}]
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forms8061109.htm
As
filed with the Securities and Exchange Commission on June 15, 2009
Registration No. 333-_____
UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D. C. 20549
_____________________________________________
FORM
S-8
REGISTRATION
STATEMENT UNDER
THE
SECURITIES ACT OF 1933
_____________________________________________
INSITUFORM
TECHNOLOGIES, INC.
(Exact
name of registrant as specified in its charter)
DELAWARE
17988 Edison
Ave.
13-3032158
(State or other jurisdiction of
Chesterfield, Missouri
63005
(I.R.S.
Employer
incorporation or
organization)
(636)
530-8000
Identification
No.)
(Address of Principal Executive
Offices)
INSITUFORM
TECHNOLOGIES, INC.
2009
EMPLOYEE EQUITY INCENTIVE PLAN
(Full
title of the plan)
DAVID
F. MORRIS
Senior
Vice President, General Counsel, Chief Administrative Officer and
Secretary
Insituform
Technologies, Inc.
17988
Edison Ave.
Chesterfield,
Missouri 63005
(636)
530-8000
(Name,
address and telephone number,
including
area code, of agent for service)
Copy
to:
ROBERT
M. LAROSE, ESQ.
Thompson
Coburn LLP
One
US Bank Plaza
St.
Louis, Missouri  63101
Telephone:  (314)
552-6000
Facsimile:  (314)
552-7000
Indicate
by check mark whether the registrant is a large accelerated filer, an
accelerated filer, a non-accelerated filer, or a smaller reporting
company.  See the definitions of "large accelerated filer,"
"accelerated filer" and "smaller reporting company" in Rule 12b-2 of the
Exchange Act.  (Check one):
Large accelerated
filer
o
Accelerated
filer
x
Non-accelerated
filer
o
Smaller
reporting company
o
CALCULATION
OF REGISTRATION FEE
Title
      of each class of
securities
      to be registered
Amount
      to be
registered
Proposed
maximum
offering
      price per
share
Proposed
      maximum
aggregate
      offering price
Amount
      of
registration
fee
(3)
Class
      A Common Stock,
$0.01
      par value
(1)
2,500,000
$15.15
(2)
$37,875,000
(2)
$2,113.43
(1)
Includes
      one attached Preferred Stock Purchase Right per
  share.
(2)
Estimated
      solely for the purposes of computing the Registration Fee pursuant to the
      provisions of Rule 457(c) and (h) of the Securities Act, based upon the
      average of the high and low sale prices of Class A common stock, $0.01 par
      value, of the Registrant as reported on The Nasdaq Global Select Market on
      June 4, 2009.
(3)
The
      registration fee has been calculated pursuant to Section 6(b) of the
      Securities Act as follows:  $55.80 per million dollars of the
      Proposed Maximum Aggregate Offering Price of the shares of stock
      registered hereby.
The undersigned registrant, Insituform
Technologies, Inc. (the "Registrant"), hereby files this Registration Statement
on Form S-8 (this "Registration Statement") to register two million five
hundred thousand (2,500,000) shares of the Registrant's Class A common stock,
$0.01 par value, and attached Preferred Share Purchase Rights, for issuance to
participants under the Insituform Technologies, Inc. 2009 Employee Equity
Incentive Plan.
PART
II
INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT
Item
3.
Incorporation of Certain
Documents by Reference
.
The following documents
filed by the Company with the Securities and Exchange Commission are
incorporated herein by reference:
(i)
The
      Company's Annual Report on Form 10-K for the fiscal year ended December
      31, 2008;
(ii)
The
      Company's Quarterly Report on Form 10-Q for the fiscal quarter ended March
      31, 2009;
(iii)
The
      Company's Current Reports on Form 8-K and Form 8-K/A filed on February 2,
      2009, February 17, 2009, February 26, 2009, April 3, 2009, April 28, 2009
      (Item 8.01 only), May 5, 2009 and May 28, 2009;
  and
(iv)
The
      description of the Company's Class A common stock as set forth in the
      Company's Registration Statement filed pursuant to Section 12 of the
      Exchange Act, including any amendments or reports filed for the purpose of
      updating such description.
Such incorporation by reference
shall not be deemed to incorporate by reference the information referred to in
Item 201(e) and Item 407(e) of Regulation S-K.
All documents filed by the
Company pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act
after the date of this Registration Statement and prior to the filing of a
post-effective amendment which indicates that all securities offered hereby have
been sold or which deregisters all securities remaining unsold, shall be deemed
to be incorporated by reference in this Registration Statement and to be made a
part hereof from the date of filing of such documents.  Any statements
contained herein or in a document incorporated herein by reference shall be
deemed to be modified or superseded for purposes of this Registration Statement
to the extent that a statement contained in a subsequently filed document
incorporated herein by reference modifies or supersedes such
document.  Any statement so modified or superseded shall not be
deemed, except as so modified or superseded, to constitute a part of this
Registration Statement.
Item
6.
Indemnification of Directors
and Officers
.
Section 102 of the Delaware
General Corporation Law allows a corporation to limit directors' personal
liability to the corporation or its stockholders from monetary damages for
breach of fiduciary duty as a director, with certain exceptions. Paragraph Tenth
of the Company's Restated Certificate of Incorporation, as amended, provides
that a director of the Company shall not be personally liable to the Company or
its stockholders for monetary damages for breach of fiduciary duty as a
director, except for liability (i) for any breach of the director's duty of
loyalty to the Company or its stockholders, (ii) for acts or omissions not in
good faith or which involve intentional misconduct or a knowing violation of
law, (iii) for unlawful payment of dividends or for unlawful stock purchase or
redemption of the Company's stock under Section 174 of the Delaware General
Corporation Law, (iv) for any transaction from which the director derived an
improper personal benefit, or (v) for any act or omission occurring prior to the
date Paragraph Tenth became effective.
Section 145 of the Delaware
General Corporation Law permits a corporation, subject to the standards set
forth therein, to indemnify any person in connection with any action, suit or
proceeding brought or threatened by reason of the fact that such person is or
was a director, officer, employee or agent of the corporation or is or was
serving as such with respect to another entity at the request of the
corporation. The Company's Restated Certificate of Incorporation, as amended,
provides for full indemnification of its directors and officers to the extent
permitted by Section 145.  In addition, Article V of the Company's
Amended and Restated By-Laws provides for indemnification of persons by reason
of the fact that he or she is or was serving as a director or officer of the
Company.
In addition to the provisions in
its Restated Certificate of Incorporation, as amended, and its Amended and
Restated By-Laws, the Company has taken such other steps as are reasonably
necessary to effect its indemnification policy. Included among these other steps
is liability insurance provided by the Company for its directors and officers
for certain losses arising from claims or charges made against them in their
capacities as directors or officers of the Company. The Company has also entered
into indemnification agreements with individual directors.  These
agreements generally provide the directors with a contractual right of
indemnification to the full extent provided by applicable law and the charter
documents of the Company as in effect at the respective dates of such
agreements.
Item
8.
Exhibits
.
See Exhibit Index on page 7
hereof.
Item
9.
Undertakings
.
(a)           The
undersigned registrant hereby undertakes:
(1)           To
file, during any period in which offers or sales are being made, a
post-effective amendment to this registration statement:
(i)           To
include any prospectus required by Section 10(a)(3) of the Securities Act of
1933;
(ii)           To
reflect in the prospectus any facts or events arising after the effective date
of the registration statement (or the most recent post-effective amendment
thereof), which, individually or in the aggregate, represent a fundamental
change in the information set forth in the registration
statement.  Notwithstanding the foregoing, any increase or decrease in
volume of securities offered (if the total dollar value of securities offered
would not exceed that which was registered) and any deviation from the low or
high end of the estimated maximum offering range may be reflected in the form of
prospectus filed with the Commission pursuant to Rule 424(b) (§230.424(b) of
this chapter) if, in the aggregate, the changes in volume and price represent no
more than 20% change in the maximum aggregate offering price set forth in the
"Calculation of Registration Fee" table in the effective registration
statement;
(iii)           To
include any material information with respect to the plan of
distribution  previously disclosed in the registration statement or
any material change to such information in the registration
statement;
provided,
however, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the
registration statement is on Form S-3, Form S-8 or Form F-3, and the information
required to be included in a post-effective amendment by those paragraphs is
contained in periodic reports filed with or furnished to the Commission by the
registrant pursuant to Section 13 or Section 15(d) of the Securities Exchange
Act of 1934 that are incorporated by reference in the registration
statement.
(2)           That,
for the purpose of determining any liability under the Securities Act of 1933,
each such post-effective amendment shall be deemed to be a new registration
statement relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering
thereof.
(3)           To
remove from registration by means of a post-effective amendment any of the
securities being registered which remain unsold at the termination of the
offering.
(b)           The
undersigned registrant hereby undertakes that, for purposes of determining any
liability under the Securities Act of 1933, each filing of the registrant's
annual report pursuant to Section 13(a) or Section 15(d) of the Securities
Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
plan's annual report pursuant to Section 15(d) of the Securities Exchange Act of
1934) that is incorporated by reference in the registration statement shall be
deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
(c)           Insofar
as indemnification for liabilities arising under the Securities Act of 1933 may
be permitted to directors, officers and controlling persons of the registrant
pursuant to the foregoing provisions, or otherwise, the registrant has been
advised that in the opinion of the Securities and Exchange Commission such
indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable.  In the event that a claim for
indemnification against such liabilities (other than the payment by the
registrant of expenses incurred or paid by a director, officer or controlling
person of the registrant in the successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.
SIGNATURES
The
Registrant
.  Pursuant to the requirements of the Securities Act
of 1933, the registrant certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form S-8 and has duly caused
this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the County of St. Louis, State of Missouri, on
June 15, 2009.
INSITUFORM TECHNOLOGIES,
      INC.
By:
/s/ 
      J. Joseph Burgess
J.
      Joseph Burgess
President
      and Chief Executive Officer
POWER
OF ATTORNEY
Each person whose signature appears
below hereby constitutes and appoints J. Joseph Burgess, and David F. Morris,
and each of them, the undersigned's true and lawful attorneys-in-fact and
agents, with full power of substitution and resubstitution, for the undersigned
and in the undersigned's name, place and stead, in any and all capacities, to
sign any and all amendments (including post-effective amendments) to this
Registration Statement on Form S-8 with respect to the Insituform Technologies,
Inc. 2009 Employee Equity Incentive Plan, and to file the same, with exhibits
and any and all other documents filed with respect thereto, with the Securities
and Exchange Commission (or any other governmental or regulatory authority),
granting unto said attorneys-in-fact and agents, and each of them, full power
and authority to do and to perform each and every act and thing requisite and
necessary to be done in ratifying and confirming all that said attorneys-in-fact
and agents, or any of them, or their substitute or substitutes may lawfully do
or cause to be done by virtue hereof.
Pursuant to the requirements of the
Securities Act of 1933, this Registration Statement has been signed by the
following persons in the capacities and on the date indicated.
Signature
Title
Date
/s/
      J. Joseph Burgess
J.
      Joseph Burgess
President
      and Chief Executive
Officer
      and Director
(Principal
      Executive Officer)
June
      15, 2009
/s/
      David A. Martin
David
      A. Martin
Senior
      Vice President and Chief
Financial
      Officer
(Principal
      Financial
and
      Accounting Officer)
June
      15, 2009
Alfred L.
      Woods
Chairman of
      the Board
/s/
      Stephen P. Cortinovis
Stephen
      P. Cortinovis
Director
June
      15, 2009
/s/
      Stephanie A. Cuskley
Stephanie
      A. Cuskley
Director
June
      15, 2009
/s/
      John P. Dubinsky
John
      P. Dubinsky
Director
June
      15, 2009
/s/
      Juanita H. Hinshaw
Juanita
      H. Hinshaw
Director
June
      15,
2009
EXHIBIT
INDEX
Exhibit No.
3.1
Restated
      Certificate of Incorporation of the Company, as amended through April 27,
      2005 (incorporated by reference to Exhibit 3.1 to the quarterly report on
      Form 10-Q for the quarter ended March 31, 2007), and Certificate of
      Designation, Preferences and Rights of Series A Junior Participating
      Preferred Stock (incorporated by reference to Exhibit 3.1 to the Company's
      Annual Report on Form 10-K for the year ended December 31,
      2001).
3.2
Amended
      and Restated By-Laws of the Company, as amended through January 31, 2009
      (incorporated by reference to Exhibit 3.1 to the current report on Form
      8-K filed February 2, 2009).
4.1
Rights
      Agreement dated as of February 26, 2002 between the Company and American
      Stock Transfer & Trust Company (incorporated by reference to Exhibit 1
      to the Registration Statement on Form 8-A filed March 8,
      2002).
5.1*
Opinion
      of Thompson Coburn LLP.
23.1*
Consent
      of PricewaterhouseCoopers LLP.
23.2*
Consent
      of Thompson Coburn LLP (included in Exhibit 5.1).
24.1*
Power
      of Attorney (set forth on signature page hereto).
*Filed
herein.