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<DIV align="right" style="font-size: 10pt; margin-top: 12pt">Registration
No.&nbsp;333-________
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>






<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933</B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B><U>INFRASOURCE SERVICES, INC.</U></B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>03-0523754</B></TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction of<BR>
incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer<BR>
Identification No.)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">1<B>00 West Sixth Street, Suite&nbsp;300<BR>
Media, Pennsylvania</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B><br>19063</B></TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(Address of Principal Executive Offices)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Zip Code)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan</B><BR>
<U><B>InfraSource Services, Inc. 2004 Employee Stock Purchase Plan</B></U><BR>
(Full Title of the Plans)
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Deborah C. Lofton<BR>
Senior Vice President, General Counsel and Secretary<BR>
100 West Sixth Street, Suite&nbsp;300<BR>
Media, Pennsylvania 19063</B><BR>
(Name and address of agent for service)<BR>
<U>(<B>610) 480-8000</B></U><BR>
(Telephone number, including area code, of agent for service)
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">with a copy to:<BR>
Mary J. Mullany, Esquire<BR>
Ballard Spahr Andrews &#038; Ingersoll, LLP<BR>
1735 Market Street, 51<SUP style="font-size: 85%; vertical-align: text-top">st</SUP> Floor<BR>
Philadelphia, Pennsylvania 19103-7599<BR>
(215)&nbsp;665-8500
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U><B>CALCULATION OF REGISTRATION FEE</B></U>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="54%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Title of Securities</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount To Be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Offering Price</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Aggregate Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount Of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>To Be Registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Registered (1)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Per Share</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Price</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Registration Fee</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, par value
$0.001 per share</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" nowrap valign="bottom" style="border-top: 2px solid #000000">1,566,787(2)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$19.12(3)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$29,956,967</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$3,205</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, par value
$0.001 per share</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">783,393(4)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$19.12(3)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$14,978,474</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$1,603</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>This Registration Statement shall also cover an indeterminate number of additional shares
of common stock of the Registrant which may become issuable under the employee benefit plans
being registered pursuant to this Registration Statement by reason of any stock dividend,
stock split, recapitalization or any other similar transactions, effected as required by such
plans.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Represents an additional 1,566,787 shares of common stock reserved for issuance under the
InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(3)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of calculating the registration fee. In accordance with
Rule&nbsp;457(h), the price shown is based upon the average of the high and low price of the Common
Stock of the Registrant on April&nbsp;28, 2006, as reported on the New York Stock Exchange.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(4)</TD>
    <TD>&nbsp;</TD>
    <TD>Represents an additional 783,393 shares of common stock reserved for issuance under the
InfraSource Services, Inc. 2004 Employee Stock Purchase Plan.</TD>
</TR>

</TABLE>



<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>PART I &#151; INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Part&nbsp;I and Items 4-7 and 9 of Part&nbsp;II of InfraSource Services, Inc. Registration Statement on
Form S-8 (File No.&nbsp;333-115648) are incorporated by reference herein pursuant to Instruction E of
Form S-8.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>PART II &#151; INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
</DIV>


<DIV align="left" style="margin-top: 12pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; background: transparent; color: #000000">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left"><B>Item&nbsp;3.</B></TD>
    <TD>&nbsp;</TD>
    <TD><B>Incorporation of Certain Documents by Reference.</B></TD>
</TR>
</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents filed with the Securities and Exchange Commission (the &#147;Commission&#148;)
pursuant to the Securities Exchange Act of 1934, as amended (the &#147;Exchange Act&#148;) by InfraSource
Services, Inc. (the &#147;Company&#148;) (File No.&nbsp;001-32164) or pursuant to the Securities Act of 1933, as
amended (the &#147;Securities Act&#148;) are incorporated herein by reference:
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="6%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Annual Report on Form 10-K for the fiscal year
ended December&nbsp;31, 2005;</TD>
</TR>
<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="6%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Quarterly Report on Form&nbsp;10-Q for the
fiscal quarter ended March&nbsp;31, 2006;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="6%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Current Reports on Form 8-K, filed on February&nbsp;2, 2006, March&nbsp;1, 2006, and March&nbsp;21,
2006; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" style="background: transparent">&nbsp;</TD>
    <TD width="6%" nowrap align="left">(d)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Item&nbsp;1 of the Company&#146;s Registration Statement on Form 8-A12B,
dated April&nbsp;29, 2004, which incorporates by reference the description of the
Company&#146;s common stock under the heading &#147;Description of Capital Stock&#148; in the
Company&#146;s prospectus forming part of its Registration Statement on Form S-1
(File No.&nbsp;333-112375), originally filed with the Commission on January&nbsp;30,
2004.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents filed by the Company pursuant to Sections&nbsp;13(a), 13(c), 14 or 15(d) of the
Exchange Act, after the date of this Registration Statement and prior to the termination of the
offering, shall be deemed to be incorporated by reference herein and to be part hereof from the
date of filing such documents. Any statement contained herein or in a document incorporated by
reference or deemed to be incorporated by reference herein shall be deemed to be modified or
superseded for purposes of this Registration Statement to the extent that such statement is
modified or superseded by any other subsequently filed document which is incorporated or is deemed
to be incorporated by reference herein. Any such statement so modified or superseded shall not be
deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
</DIV>

<DIV align="left" style="margin-top: 12pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; background: transparent; color: #000000">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left"><B>Item&nbsp;8.</B></TD>
    <TD>&nbsp;</TD>
    <TD><B>Exhibits.</B></TD>
</TR>
</TABLE>
</DIV>

<DIV align="left" style="margin-top: 12pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; background: transparent; color: #000000">
<TR>
    <TD width="3%"></TD>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD></TD>
</TR>
<TR valign="top">
    <TD>&nbsp;</TD>
    <TD nowrap align="left">4.1</TD>
    <TD>&nbsp;</TD>
    <TD>InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan (incorporated by
reference to Exhibit&nbsp;10.7 to the Company&#146;s Annual Report on Form&nbsp;10-K for the fiscal
year ended December&nbsp;31, 2005).
</TD>
</TR>
</TABLE>
</DIV>
<P align="center" style="font-size: 10pt">2
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="margin-top: 12pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; background: transparent; color: #000000">
<TR>
    <TD width="3%"></TD>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD></TD>
</TR>
<TR valign="top">
    <TD>&nbsp;</TD>
    <TD nowrap align="left">4.2</TD>
    <TD>&nbsp;</TD>
    <TD>InfraSource Services, Inc. 2004 Employee Stock Purchase Plan (incorporated by
reference to Exhibit&nbsp;10.7 to the Company&#146;s Registration Statement on Form&nbsp;S-1, as
amended (File No.&nbsp;333-112375)).</TD>
</TR>
<tr><td>&nbsp;</td></tr>
<TR valign="top">
    <TD>&nbsp;</TD>
    <TD nowrap align="left">4.3</TD>
    <TD>&nbsp;</TD>
    <TD>Specimen copy of Common Stock Certificate (incorporated by reference to Exhibit
3.3 to the Company&#146;s Registration Statement on Form&nbsp;S-1, as amended (File No.
333-112375)).</TD>
</TR>

<tr><td>&nbsp;</td></tr>
<TR valign="top">
    <TD>&nbsp;</TD>
    <TD nowrap align="left">5</TD>
    <TD>&nbsp;</TD>
    <TD>Opinion of Ballard Spahr Andrews &#038; Ingersoll, LLP as to the legality of the
securities to be offered.</TD>
</TR>
<tr><td>&nbsp;</td></tr>

<TR valign="top">
    <TD>&nbsp;</TD>
    <TD nowrap align="left">23.1</TD>
    <TD>&nbsp;</TD>
    <TD>Consent of PricewaterhouseCoopers LLP.</TD>
</TR>

<tr><td>&nbsp;</td></tr>
<TR valign="top">
    <TD>&nbsp;</TD>
    <TD nowrap align="left">23.2</TD>
    <TD>&nbsp;</TD>
    <TD>Consent of Ballard Spahr Andrews &#038; Ingersoll, LLP (included as part of Exhibit
5).</TD>
</TR>
<tr><td>&nbsp;</td></tr>
<TR valign="top">
    <TD>&nbsp;</TD>
    <TD nowrap align="left">24</TD>
    <TD>&nbsp;</TD>
    <TD>Power of Attorney (included in signature page).
</TD>
</TR>
</TABLE>
</DIV>
<P align="center" style="font-size: 10pt">3
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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 City of Media, Commonwealth of
Pennsylvania, on May&nbsp;4, 2006.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">INFRASOURCE SERVICES, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ David R. Helwig
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">David R. Helwig, President and Chief&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each person whose signature appears below in so signing also makes, constitutes and appoints
Terence R. Montgomery and Deborah C. Lofton, and each of them, his true and lawful
attorney-in-fact, with full power of substitution, for him in any and all capacities, to execute
and cause to be filed with the Securities and Exchange Commission any and all amendments and
post-effective amendments to this Registration Statement, with exhibits thereto and other documents
in connection therewith, and hereby ratifies and confirms all that said attorney-in-fact or his
substitute or substitutes may do or cause to be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="padding-top: 1em">

    <TD align="center" nowrap valign="top">/s/ David R. Helwig
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
David R. Helwig</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
President and Chief Executive
Officer and a Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ Terence R. Montgomery
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Terence R. Montgomery</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Senior Vice President and
Chief Financial Officer
(principal financial officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ R. Barry Sauder
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
R. Barry Sauder</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Vice President and Chief
Accounting Officer (principal
accounting officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ Ian A. Schapiro
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Ian A. Schapiro</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Interim Chairman and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ John A. Brayman
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
John A. Brayman</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ Christopher S. Brothers
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Christopher S. Brothers</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ J. Michal Conaway
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
J. Michal Conaway</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ Michael P. Harmon
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Michael P. Harmon</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ Richard S. Siudek
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Richard S. Siudek</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ David H. Watts
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
David H. Watts</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May 4, 2006</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="8%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><U>Number</U></TD>
<Td>&nbsp;</td>
    <TD nowrap align="center"><U>Exhibit</U></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan (incorporated by reference to
Exhibit&nbsp;10.7 to the Company&#146;s Annual Report on Form&nbsp;10-K for the fiscal year ended December
31, 2005).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">InfraSource Services, Inc. 2004 Employee Stock Purchase Plan (incorporated be reference to
Exhibit&nbsp;10.7 to the Company&#146;s Registration Statement on Form&nbsp;S-1, as amended (File No.
333-112375)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen copy of Common Stock Certificate (incorporated by reference to Exhibit&nbsp;3.3 to the
Company&#146;s Registration Statement on Form&nbsp;S-1, as amended (File No.&nbsp;333-112375)).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Ballard Spahr Andrews &#038; Ingersoll, LLP as to the legality of the securities to be
offered.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of PricewaterhouseCoopers LLP.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Ballard Spahr Andrews &#038; Ingersoll, LLP (included as part of Exhibit&nbsp;5).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included in signature page).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

</BODY>
</HTML>
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sv8
Registration
No. 333-________
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
INFRASOURCE SERVICES, INC.
(Exact name of registrant as specified in its charter)
Delaware
03-0523754
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification No.)
1
00 West Sixth Street, Suite 300
Media, Pennsylvania
19063
(Address of Principal Executive Offices)
(Zip Code)
InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan
InfraSource Services, Inc. 2004 Employee Stock Purchase Plan
(Full Title of the Plans)
Deborah C. Lofton
Senior Vice President, General Counsel and Secretary
100 West Sixth Street, Suite 300
Media, Pennsylvania 19063
(Name and address of agent for service)
(
610) 480-8000
(Telephone number, including area code, of agent for service)
with a copy to:
Mary J. Mullany, Esquire
Ballard Spahr Andrews & Ingersoll, LLP
1735 Market Street, 51
st
Floor
Philadelphia, Pennsylvania 19103-7599
(215) 665-8500
CALCULATION OF REGISTRATION FEE
Proposed Maximum
Proposed Maximum
Title of Securities
Amount To Be
Offering Price
Aggregate Offering
Amount Of
To Be Registered
Registered (1)
Per Share
Price
Registration Fee
Common Stock, par value
$0.001 per share
1,566,787(2)
$19.12(3)
$29,956,967
$3,205
Common Stock, par value
$0.001 per share
783,393(4)
$19.12(3)
$14,978,474
$1,603
(1)
This Registration Statement shall also cover an indeterminate number of additional shares
of common stock of the Registrant which may become issuable under the employee benefit plans
being registered pursuant to this Registration Statement by reason of any stock dividend,
stock split, recapitalization or any other similar transactions, effected as required by such
plans.
(2)
Represents an additional 1,566,787 shares of common stock reserved for issuance under the
InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan.
(3)
Estimated solely for the purpose of calculating the registration fee. In accordance with
Rule 457(h), the price shown is based upon the average of the high and low price of the Common
Stock of the Registrant on April 28, 2006, as reported on the New York Stock Exchange.
(4)
Represents an additional 783,393 shares of common stock reserved for issuance under the
InfraSource Services, Inc. 2004 Employee Stock Purchase Plan.
PART I — INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
Part I and Items 4-7 and 9 of Part II of InfraSource Services, Inc. Registration Statement on
Form S-8 (File No. 333-115648) are incorporated by reference herein pursuant to Instruction E of
Form S-8.
PART II — INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3.
Incorporation of Certain Documents by Reference.
The following documents filed with the Securities and Exchange Commission (the "Commission")
pursuant to the Securities Exchange Act of 1934, as amended (the "Exchange Act") by InfraSource
Services, Inc. (the "Company") (File No. 001-32164) or pursuant to the Securities Act of 1933, as
amended (the "Securities Act") are incorporated herein by reference:
(a)
The Company's Annual Report on Form 10-K for the fiscal year
ended December 31, 2005;
(b)
The Company's Quarterly Report on Form 10-Q for the
fiscal quarter ended March 31, 2006;
(c)
The Company's Current Reports on Form 8-K, filed on February 2, 2006, March 1, 2006, and March 21,
2006; and
(d)
Item 1 of the Company's Registration Statement on Form 8-A12B,
dated April 29, 2004, which incorporates by reference the description of the
Company's common stock under the heading "Description of Capital Stock" in the
Company's prospectus forming part of its Registration Statement on Form S-1
(File No. 333-112375), originally filed with the Commission on January 30,
2004.
All documents filed by the Company pursuant to Sections 13(a), 13(c), 14 or 15(d) of the
Exchange Act, after the date of this Registration Statement and prior to the termination of the
offering, shall be deemed to be incorporated by reference herein and to be part hereof from the
date of filing such documents. Any statement contained herein or in a document incorporated by
reference or deemed to be incorporated by reference herein shall be deemed to be modified or
superseded for purposes of this Registration Statement to the extent that such statement is
modified or superseded by any other subsequently filed document which is incorporated or is deemed
to be incorporated by reference herein. Any such statement so modified or superseded shall not be
deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
Item 8.
Exhibits.
4.1
InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan (incorporated by
reference to Exhibit 10.7 to the Company's Annual Report on Form 10-K for the fiscal
year ended December 31, 2005).
2
4.2
InfraSource Services, Inc. 2004 Employee Stock Purchase Plan (incorporated by
reference to Exhibit 10.7 to the Company's Registration Statement on Form S-1, as
amended (File No. 333-112375)).
4.3
Specimen copy of Common Stock Certificate (incorporated by reference to Exhibit
3.3 to the Company's Registration Statement on Form S-1, as amended (File No.
333-112375)).
5
Opinion of Ballard Spahr Andrews & Ingersoll, LLP as to the legality of the
securities to be offered.
23.1
Consent of PricewaterhouseCoopers LLP.
23.2
Consent of Ballard Spahr Andrews & Ingersoll, LLP (included as part of Exhibit
5).
24
Power of Attorney (included in signature page).
3
SIGNATURES
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 City of Media, Commonwealth of
Pennsylvania, on May 4, 2006.
INFRASOURCE SERVICES, INC.
By
/s/ David R. Helwig
David R. Helwig, President and Chief
Executive Officer
Each person whose signature appears below in so signing also makes, constitutes and appoints
Terence R. Montgomery and Deborah C. Lofton, and each of them, his true and lawful
attorney-in-fact, with full power of substitution, for him in any and all capacities, to execute
and cause to be filed with the Securities and Exchange Commission any and all amendments and
post-effective amendments to this Registration Statement, with exhibits thereto and other documents
in connection therewith, and hereby ratifies and confirms all that said attorney-in-fact or his
substitute or substitutes may 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/ David R. Helwig
David R. Helwig
President and Chief Executive
Officer and a Director
May 4, 2006
/s/ Terence R. Montgomery
Terence R. Montgomery
Senior Vice President and
Chief Financial Officer
(principal financial officer)
May 4, 2006
/s/ R. Barry Sauder
R. Barry Sauder
Vice President and Chief
Accounting Officer (principal
accounting officer)
May 4, 2006
/s/ Ian A. Schapiro
Ian A. Schapiro
Interim Chairman and Director
May 4, 2006
Signature
Title
Date
/s/ John A. Brayman
John A. Brayman
Director
May 4, 2006
/s/ Christopher S. Brothers
Christopher S. Brothers
Director
May 4, 2006
/s/ J. Michal Conaway
J. Michal Conaway
Director
May 4, 2006
/s/ Michael P. Harmon
Michael P. Harmon
Director
May 4, 2006
/s/ Richard S. Siudek
Richard S. Siudek
Director
May 4, 2006
/s/ David H. Watts
David H. Watts
Director
May 4, 2006
EXHIBIT INDEX
Number
Exhibit
4.1
InfraSource Services, Inc. 2004 Omnibus Stock Incentive Plan (incorporated by reference to
Exhibit 10.7 to the Company's Annual Report on Form 10-K for the fiscal year ended December
31, 2005).
4.2
InfraSource Services, Inc. 2004 Employee Stock Purchase Plan (incorporated be reference to
Exhibit 10.7 to the Company's Registration Statement on Form S-1, as amended (File No.
333-112375)).
4.3
Specimen copy of Common Stock Certificate (incorporated by reference to Exhibit 3.3 to the
Company's Registration Statement on Form S-1, as amended (File No. 333-112375)).
5
Opinion of Ballard Spahr Andrews & Ingersoll, LLP as to the legality of the securities to be
offered.
23.1
Consent of PricewaterhouseCoopers LLP.
23.2
Consent of Ballard Spahr Andrews & Ingersoll, LLP (included as part of Exhibit 5).
24
Power of Attorney (included in signature page).