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<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>As
filed with the Securities and Exchange Commission on May 20, 2011</B></DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Registration No.&nbsp;333-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>
</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<BR>
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: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

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

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
UNDER THE SECURITIES ACT OF 1933</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

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

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


<DIV align="center">
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    <TD width="47%">&nbsp;</TD>
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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>74-2851603</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction <BR>
of incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer<BR>
Identification Number)</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>2800 Post Oak Boulevard, Suite&nbsp;2600<BR>
Houston, Texas 77056<BR>
(713)&nbsp;629-7600</B><BR>
(Address, including zip code, telephone number, including area code, of principal executive offices)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan</B><BR>
(Full title of the plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Tana L. Pool<BR>
Vice President and General Counsel<BR>
Quanta Services, Inc.<BR>
2800 Post Oak Boulevard, Suite&nbsp;2600<BR>
Houston, Texas 77056<BR>
(713)&nbsp;629-7600</B><BR>
(Name, address and telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B><I>Copies to:</I></B><BR><BR>
<B>Christine B. LaFollette<BR>
Shar Ahmed<BR>
Akin Gump Strauss Hauer &#038; Feld LLP<BR>
1111 Louisiana Street, 44th Floor<BR>
Houston, Texas 77002<BR>
(713)&nbsp;220-5800</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">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 &#147;large
accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule&nbsp;12b-2 of the
Exchange Act. (Check one):
</DIV>

<DIV align="center">
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<TR valign="bottom">
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
</TR>
<TR></TR>
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<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top">Large accelerated filer <FONT style="font-family: Wingdings">&#254;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Accelerated filer <FONT style="font-family: Wingdings">&#111;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Non-accelerated filer <FONT style="font-family: Wingdings">&#111;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Smaller reporting company <FONT style="font-family: Wingdings">&#111;</FONT></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">(Do not check if a smaller reporting company)</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>CALCULATION OF REGISTRATION FEE</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="1%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="19%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="19%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="19%">&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>&nbsp;</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 Per</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="left"><B>Title of Securities 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>Share (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Price (2)</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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    <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 $0.00001 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">11,750,000</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">$19.67</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">$231,122,500</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">$26,833.32</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>

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</TABLE>
</DIV>


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 0px solid #000000">&nbsp;</DIV>
</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>Represents the maximum number of shares of Common Stock issuable pursuant to awards under
the Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan. Pursuant to Rule&nbsp;416 of the
Securities Act of 1933, as amended, this Registration Statement shall also cover any
additional shares of Common Stock that become issuable by reason of any stock dividend, stock
split, recapitalization or other similar transaction effected without the receipt of
consideration that results in an increase in the number of the Registrant&#146;s outstanding shares
of Common Stock.</TD>
</TR>

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

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of calculating the registration fee and computed pursuant to
Rule 457(c) and 457(h) under the Securities Act of 1933, as amended. The above calculation is
based on the average of the high and low prices of the Registrant&#146;s Common Stock on the New
York Stock Exchange on May 16, 2011. </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>













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












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


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>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;Quanta Services, Inc., or the Company, prepared this Registration Statement in accordance with
the requirements of Form S-8 under the Securities Act of 1933, as amended, or the Securities Act,
to register an aggregate of 11,750,000 shares of the Company&#146;s common stock that may be issued
pursuant to the Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan, or the 2011 Plan. The
documents containing the information specified in Part&nbsp;I of this Registration Statement will be
sent or given to participants in the 2011 Plan, as specified by Rule&nbsp;428(b)(1) promulgated under
the Securities Act. Such documents need not be filed with the Securities and Exchange Commission,
or the Commission, either as part of this Registration Statement or as prospectuses or prospectus
supplements pursuant to Rule&nbsp;424 promulgated under the Securities Act. These documents and the
documents incorporated by reference in this Registration Statement pursuant to Item&nbsp;3 of Part&nbsp;II of
this Registration Statement, taken together, constitute a prospectus that meets the requirement of
Section 10(a) of the Securities Act.
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>PART II</B>
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Documents by Reference.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents filed with the Commission are incorporated herein by reference, other
than information furnished pursuant to Item&nbsp;2.02 or Item&nbsp;7.01 of any Current Report on Form 8-K or
exhibits filed under Item&nbsp;9.01 relating to those Items, unless expressly stated otherwise therein:
</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="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" 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,
2010 (File No.&nbsp;001-13831), filed with the Commission on March&nbsp;1, 2011;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the Company&#146;s Quarterly Report on Form 10-Q for the quarter ended March&nbsp;31,
2011 (File No.&nbsp;001-13831), filed with the Commission on May&nbsp;6, 2011;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the Company&#146;s Current Reports on Form 8-K filed with the Commission since
December&nbsp;31, 2010:</TD>
</TR>

</TABLE>
</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="9%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Current Report on Form 8-K (File No.&nbsp;001-13831), filed with the
Commission on March&nbsp;7, 2011;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="9%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Current Report on Form 8-K (File No.&nbsp;001-13831), filed with the
Commission on March&nbsp;25, 2011; and</TD>
</TR>

</TABLE>
</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="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(d)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the Company&#146;s Form 8-A12B (File No.&nbsp;001-13831), filed with the Commission on
January&nbsp;28, 1998, as amended by the Form 8-A12B/A (Amendment No.&nbsp;1) (File No.
001-13831), filed with the Commission on February&nbsp;5, 1998, and as amended by the Form
8-A12B/A (Amendment No.&nbsp;2) (File No.&nbsp;001-13831), filed with the Commission on February
6, 1998.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In addition, all documents subsequently filed by the Company pursuant to Sections&nbsp;13(a),
13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended, or the Exchange Act,
excluding any information furnished pursuant to any Current Report on Form 8-K, prior to the filing
of a post-effective amendment to this Registration Statement which indicates that all securities
offered hereby have been sold or which deregisters all securities then remaining unsold, shall be
deemed to be incorporated by reference in this Registration Statement and to be a part hereof from
the date of filing of such documents.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any statement contained in a document incorporated 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 a statement contained herein or in any subsequently filed document that also is or
is deemed to be incorporated by reference herein, as the case may be, modifies or supersedes such
statement. 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>

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

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;4. Description of Securities.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Not applicable.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The validity of the securities has been passed upon by Carolyn M. Campbell, the Company&#146;s
Deputy General Counsel. As of May&nbsp;12, 2011, Ms.&nbsp;Campbell owned 4,759 shares of the Company&#146;s common
stock (including restricted stock).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;6. Indemnification of Officers and Directors.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145(a) of the Delaware General Corporation Law (the DGCL) provides that a Delaware
corporation may indemnify any person who was or is a party or is threatened to be made a party to
any threatened, pending or completed action, suit or proceeding, whether civil, criminal,
administrative or investigative (other than an action by or in the right of the corporation) 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 at the request of the corporation as a director, officer, employee
or agent of another corporation or other enterprise, against expenses (including attorneys&#146; fees),
judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in
connection with such action, suit or proceeding if he or she acted in good faith and in a manner he
or she reasonably believed to be in or not opposed to the best interests of the corporation, and,
with respect to any criminal action or proceeding, had no reasonable cause to believe his or her
conduct was unlawful.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145(b) of the DGCL provides that a Delaware corporation may indemnify any person who
was or is a party or is threatened to be made a party to any threatened, pending or completed
action or suit by or in the right of the corporation to procure a judgment in its favor by reason
of the fact that such person acted in any of the capacities set forth above, against expenses
(including attorneys&#146; fees) actually and reasonably incurred by such person in connection with the
defense or settlement of such action or suit if he or she acted under similar standards to those
set forth above, except that no indemnification may be made with respect to any claim, issue or
matter as to which such person shall have been adjudged to be liable to the corporation unless and
only to the extent that the court in which such action or suit was brought shall determine that
despite the adjudication of liability, but in view of all the circumstances of the case, such
person is fairly and reasonably entitled to be indemnified for such expenses which the court shall
deem proper.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145 of the DGCL further provides that, to the extent a director or officer of a
corporation has been successful in the defense of any action, suit or proceeding referred to in
subsection (a)&nbsp;and (b)&nbsp;or in the defense of any claim, issue or matter therein, he shall be
indemnified against expenses (including attorneys&#146; fees) actually and reasonably incurred by him in
connection therewith; that indemnification provided for by Section&nbsp;145 of the DGCL shall not be
deemed exclusive of any other rights to which the indemnified party may be entitled; and that the
corporation may purchase and maintain insurance on behalf of a director or officer of the
corporation against any liability asserted against such officer or director and incurred by him or
her in any such capacity or arising out of his or her status as such, whether or not the
corporation would have the power to indemnify him or her against such liabilities under Section&nbsp;145
of the DGCL.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;Seven of the registrant&#146;s Amended and Restated Bylaws contains provisions for
indemnification of directors and officers and for the advancements of expenses to any director or
officer to the fullest extent permitted by Delaware law. Additionally, Article&nbsp;Eleventh of the
registrant&#146;s Restated Certificate of Incorporation provides that no director shall be liable to the
registrant or its stockholders for monetary damages for breach of fiduciary duty as a director to
the fullest extent permitted by Delaware law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;Eight of the registrant&#146;s Amended and Restated Bylaws permits the registrant to
purchase insurance for directors and officers and any person whom the registrant has the power to
indemnify pursuant to law, the registrant&#146;s Restated Certificate of Incorporation and Amended and
Restated Bylaws against liability for expenses, judgments or settlements. The registrant has
director and officer insurance in place for its directors and officers.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->2<!-- /Folio -->
</DIV>

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

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In addition, the registrant has entered into Indemnity Agreements with its directors and
executive officers. The form of Indemnity Agreement entered into with each director and officer was
previously filed with the Commission as Exhibit&nbsp;10.1 to the registrant&#146;s Current Report on Form 8-K
filed on May&nbsp;31, 2005. The registrant&#146;s board of directors may from time to time authorize the
Company to enter into additional indemnity agreements with other of its future directors and
officers utilizing the same form of Indemnity Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Indemnity Agreements generally provide that the registrant will, to the extent permitted
by applicable law, indemnify and hold harmless each indemnitee that is, or is threatened to be
made, a party to any civil, criminal or administrative proceeding by reason of the fact that such
person is or was a director or officer of the Company or is or was serving at the request of the
Company as a director, officer, trustee, general partner, managing member, fiduciary, employee or
agent of any other enterprise, against all expenses, judgments, fines, penalties and amounts paid
in settlement actually and reasonably incurred by the indemnitee in connection with any such
proceeding. The Indemnity Agreements provide the indemnitee with indemnification rights in
connection with third-party proceedings and proceedings brought by or in the right of the
registrant. In addition, the Indemnity Agreements provide for the advancement of expenses incurred
by the indemnitee in connection with any covered proceeding to the fullest extent permitted by
applicable law. The Indemnity Agreements also provide that if the indemnification rights provided
for therein are unavailable for any reason, the registrant will pay, in the first instance, the
entire amount incurred by the indemnitee in connection with any covered proceeding and waives and
relinquishes any right of contribution it may have against the indemnitee.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The rights provided by the Indemnity Agreements are in addition to any other rights to
indemnification or advancement of expenses to which the indemnitee may be entitled under applicable
law, the registrant&#146;s Restated Certificate of Incorporation or Amended and Restated Bylaws, or
otherwise.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The above description of the Indemnity Agreements is subject to, and is qualified in its
entirety by reference to, all the provisions of the form of Indemnity Agreement, previously filed
as Exhibit&nbsp;10.1 to the registrant&#146;s Current Report on Form 8-K filed on May&nbsp;31, 2005.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;7. Exemption from Registration Claimed.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Not Applicable.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;See Index to Exhibits, attached hereto, which Index to Exhibits is hereby incorporated into
this Item&nbsp;8.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9. Undertakings.</B>
</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="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company hereby undertakes:</TD>
</TR>

</TABLE>
</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="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>To file, during any period in which offers or sales are being made, a
post-effective amendment to this Registration Statement:</TD>
</TR>

</TABLE>
</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="9%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(i)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>To include any prospectus required by Section&nbsp;10(a)(3) of the
Securities Act;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="9%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(ii)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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; 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="9%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(iii)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>To include any material information with respect to the plan of
distribution not previously disclosed in the Registration Statement or any material
change to such information in the Registration Statement.</TD>
</TR>




</TABLE>
</DIV>
<P align="center" style="font-size: 10pt"><!-- Folio -->3<!-- /Folio -->
</DIV>

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


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



</TABLE>
</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="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left"><I>&nbsp;</I></TD>
    <TD width="1%"><I>&nbsp;</I></TD>
    <TD><I>provided, however, </I>that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the
information required to be included in a post-effective amendment by those paragraphs is
contained in reports filed with or furnished to the Commission by the Company pursuant
to Section&nbsp;13 or Section 15(d) of the Exchange Act that are incorporated by reference in
the Registration Statement.</TD>
</TR>

</TABLE>
</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="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>That, for the purpose of determining any liability under the Securities Act,
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 <I>bona fide </I>offering thereof.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(3)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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.</TD>
</TR>

</TABLE>
</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="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company hereby undertakes that, for purposes of determining any liability under the
Securities Act, each filing of the Company&#146;s annual report pursuant to Section 13(a) or
Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee
benefit plan&#146;s annual report pursuant to Section 15(d) of the Exchange Act) 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.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Insofar as indemnification for liabilities arising under the Securities Act may be
permitted to directors, officers and controlling persons of the Company pursuant to the
foregoing provisions or otherwise, the Company has been advised that in the opinion of the
Commission such indemnification is against public policy as expressed in the Securities Act
and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Company of expenses incurred or paid by a
director, officer or controlling person of the Company 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 Company 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 Securities Act and will be governed by the final adjudication of
such issue.</TD>
</TR>








</TABLE>
</DIV>
<P align="center" style="font-size: 10pt"><!-- Folio -->4<!-- /Folio -->
</DIV>

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


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



</TABLE>
</DIV>

<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, Quanta Services, Inc. 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 Houston, State of Texas on
May 20, 2011.
</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"><B>QUANTA SERVICES, INC.</B><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/ James F. O&#146;Neil III
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">James F. O&#146;Neil III&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

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



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes
and appoints James F. O&#146;Neil III and James H. Haddox, each of whom may act without joinder of the
other, as his or her true and lawful attorneys-in-fact and agents, each with full power of
substitution and resubstitution, for such person and in his or her name, place and stead, in any
and all capacities, to sign any and all amendments to this Registration Statement on Form S-8, and
to file the same, with all exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and
authority to do and perform each and every act and thing requisite and necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may
lawfully 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, this Registration Statement has been
signed by the following persons in the listed capacities on May 20, 2011:
</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="38%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="55%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Name</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James F. O&#146;Neil III
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President and Chief Executive Officer, Director&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">James F. O&#146;Neil III
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(Principal Executive Officer)</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">/s/ James H. Haddox
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chief Financial Officer&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">James H. Haddox
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(Principal Financial Officer)</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">/s/ Derrick A. Jensen
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Senior Vice President &#151; Finance and
</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Derrick A. Jensen
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Administration and Chief Accounting
Officer<br>(Principal Accounting Officer)</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">/s/ John R. Colson
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
John R. Colson
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Executive Chairman of the Board and Director&nbsp;</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">/s/ James R. Ball
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James R. Ball
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</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">/s/ J. Michal Conaway
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
J. Michal Conaway
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

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<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="38%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="55%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Name</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Ralph R. Disibio
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Ralph R. Disibio
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</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">/s/ Vincent D. Foster
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Vincent D. Foster
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</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">/s/ Bernard Fried
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Bernard Fried
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</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">/s/ Louis C. Golm
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Louis C. Golm
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</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">/s/ Worthing F. Jackman
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Worthing F. Jackman
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</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">/s/ Bruce Ranck
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Bruce Ranck
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</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">/s/ Pat Wood, III
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Pat Wood, III
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</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>INDEX TO EXHIBITS</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="7%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left">Exhibit</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Description of Exhibits</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">Restated Certificate of Incorporation (previously filed as Exhibit&nbsp;3.3 to the Company&#146;s
Form&nbsp;10-Q for the quarterly period ended June&nbsp;30, 2003 (File No.&nbsp;001-13831) filed August
14, 2003 and incorporated herein by reference)</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">Bylaws of Quanta Services, Inc., as amended and restated December&nbsp;9, 2010 (previously
filed as Exhibit&nbsp;3.1 to the Company&#146;s Form&nbsp;8-K (File No.&nbsp;001-13831) filed December&nbsp;15,
2010 and incorporated herein by reference)</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">Indenture regarding 4.5% Convertible Subordinated Debentures between Quanta Services,
Inc. and Wells Fargo Bank, N.A., Trustee, dated as of October&nbsp;17, 2003 (previously filed
as Exhibit&nbsp;4.1 to the Company&#146;s Form&nbsp;10-Q for the quarterly period ended September&nbsp;30,
2003 (File No.&nbsp;001-13831) filed November&nbsp;14, 2003 and incorporated herein by reference)</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">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Indenture regarding 3.75% Convertible Subordinated Notes dated as of May&nbsp;3, 2006,
between Quanta Services, Inc. and Wells Fargo Bank, National Association, as trustee
(previously filed as Exhibit&nbsp;99.2 to the Company&#146;s Form&nbsp;8-K (File No.&nbsp;001-13831) filed
May&nbsp;4, 2006 and incorporated herein by reference)</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">4.5*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan</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">5.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Carolyn M. Campbell regarding legality of securities being registered</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 Carolyn M. Campbell (included in Exhibit&nbsp;5.1 filed herewith)</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 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">24.1*
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Powers of Attorney (included on signature page)</TD>
</TR>
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    <TD>Filed herewith.</TD>
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sv8
As
filed with the Securities and Exchange Commission on May 20, 2011
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER THE SECURITIES ACT OF 1933
QUANTA SERVICES, INC.
(Exact name of registrant as specified in its charter)
Delaware
74-2851603
(State or other jurisdiction
of incorporation or organization)
(I.R.S. Employer
Identification Number)
2800 Post Oak Boulevard, Suite 2600
Houston, Texas 77056
(713) 629-7600
(Address, including zip code, telephone number, including area code, of principal executive offices)
Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan
(Full title of the plan)
Tana L. Pool
Vice President and General Counsel
Quanta Services, Inc.
2800 Post Oak Boulevard, Suite 2600
Houston, Texas 77056
(713) 629-7600
(Name, address and telephone number, including area code, of agent for service)
Copies to:
Christine B. LaFollette
Shar Ahmed
Akin Gump Strauss Hauer & Feld LLP
1111 Louisiana Street, 44th Floor
Houston, Texas 77002
(713) 220-5800
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
þ
Accelerated filer
o
Non-accelerated filer
o
Smaller reporting company
o
(Do not check if a smaller reporting company)
CALCULATION OF REGISTRATION FEE
Proposed Maximum
Proposed Maximum
Amount to be
Offering Price Per
Aggregate Offering
Amount of
Title of Securities to be Registered
Registered (1)
Share (2)
Price (2)
Registration Fee
Common Stock, par value $0.00001 per share
11,750,000
$19.67
$231,122,500
$26,833.32
(1)
Represents the maximum number of shares of Common Stock issuable pursuant to awards under
the Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan. Pursuant to Rule 416 of the
Securities Act of 1933, as amended, this Registration Statement shall also cover any
additional shares of Common Stock that become issuable by reason of any stock dividend, stock
split, recapitalization or other similar transaction effected without the receipt of
consideration that results in an increase in the number of the Registrant's outstanding shares
of Common Stock.
(2)
Estimated solely for the purpose of calculating the registration fee and computed pursuant to
Rule 457(c) and 457(h) under the Securities Act of 1933, as amended. The above calculation is
based on the average of the high and low prices of the Registrant's Common Stock on the New
York Stock Exchange on May 16, 2011.
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
Quanta Services, Inc., or the Company, prepared this Registration Statement in accordance with
the requirements of Form S-8 under the Securities Act of 1933, as amended, or the Securities Act,
to register an aggregate of 11,750,000 shares of the Company's common stock that may be issued
pursuant to the Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan, or the 2011 Plan. The
documents containing the information specified in Part I of this Registration Statement will be
sent or given to participants in the 2011 Plan, as specified by Rule 428(b)(1) promulgated under
the Securities Act. Such documents need not be filed with the Securities and Exchange Commission,
or the Commission, either as part of this Registration Statement or as prospectuses or prospectus
supplements pursuant to Rule 424 promulgated under the Securities Act. These documents and the
documents incorporated by reference in this Registration Statement pursuant to Item 3 of Part II of
this Registration Statement, taken together, constitute a prospectus that meets the requirement of
Section 10(a) of the Securities Act.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference.
The following documents filed with the Commission are incorporated herein by reference, other
than information furnished pursuant to Item 2.02 or Item 7.01 of any Current Report on Form 8-K or
exhibits filed under Item 9.01 relating to those Items, unless expressly stated otherwise therein:
(a)
the Company's Annual Report on Form 10-K for the fiscal year ended December 31,
2010 (File No. 001-13831), filed with the Commission on March 1, 2011;
(b)
the Company's Quarterly Report on Form 10-Q for the quarter ended March 31,
2011 (File No. 001-13831), filed with the Commission on May 6, 2011;
(c)
the Company's Current Reports on Form 8-K filed with the Commission since
December 31, 2010:
(1)
Current Report on Form 8-K (File No. 001-13831), filed with the
Commission on March 7, 2011;
(2)
Current Report on Form 8-K (File No. 001-13831), filed with the
Commission on March 25, 2011; and
(d)
the Company's Form 8-A12B (File No. 001-13831), filed with the Commission on
January 28, 1998, as amended by the Form 8-A12B/A (Amendment No. 1) (File No.
001-13831), filed with the Commission on February 5, 1998, and as amended by the Form
8-A12B/A (Amendment No. 2) (File No. 001-13831), filed with the Commission on February
6, 1998.
In addition, all documents subsequently filed by the Company pursuant to Sections 13(a),
13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended, or the Exchange Act,
excluding any information furnished pursuant to any Current Report on Form 8-K, prior to the filing
of a post-effective amendment to this Registration Statement which indicates that all securities
offered hereby have been sold or which deregisters all securities then remaining unsold, shall be
deemed to be incorporated by reference in this Registration Statement and to be a part hereof from
the date of filing of such documents.
Any statement contained in a document incorporated 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 a statement contained herein or in any subsequently filed document that also is or
is deemed to be incorporated by reference herein, as the case may be, modifies or supersedes such
statement. 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.
1
Item 4. Description of Securities.
Not applicable.
Item 5. Interests of Named Experts and Counsel.
The validity of the securities has been passed upon by Carolyn M. Campbell, the Company's
Deputy General Counsel. As of May 12, 2011, Ms. Campbell owned 4,759 shares of the Company's common
stock (including restricted stock).
Item 6. Indemnification of Officers and Directors.
Section 145(a) of the Delaware General Corporation Law (the DGCL) provides that a Delaware
corporation may indemnify any person who was or is a party or is threatened to be made a party to
any threatened, pending or completed action, suit or proceeding, whether civil, criminal,
administrative or investigative (other than an action by or in the right of the corporation) 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 at the request of the corporation as a director, officer, employee
or agent of another corporation or other enterprise, against expenses (including attorneys' fees),
judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in
connection with such action, suit or proceeding if he or she acted in good faith and in a manner he
or she reasonably believed to be in or not opposed to the best interests of the corporation, and,
with respect to any criminal action or proceeding, had no reasonable cause to believe his or her
conduct was unlawful.
Section 145(b) of the DGCL provides that a Delaware corporation may indemnify any person who
was or is a party or is threatened to be made a party to any threatened, pending or completed
action or suit by or in the right of the corporation to procure a judgment in its favor by reason
of the fact that such person acted in any of the capacities set forth above, against expenses
(including attorneys' fees) actually and reasonably incurred by such person in connection with the
defense or settlement of such action or suit if he or she acted under similar standards to those
set forth above, except that no indemnification may be made with respect to any claim, issue or
matter as to which such person shall have been adjudged to be liable to the corporation unless and
only to the extent that the court in which such action or suit was brought shall determine that
despite the adjudication of liability, but in view of all the circumstances of the case, such
person is fairly and reasonably entitled to be indemnified for such expenses which the court shall
deem proper.
Section 145 of the DGCL further provides that, to the extent a director or officer of a
corporation has been successful in the defense of any action, suit or proceeding referred to in
subsection (a) and (b) or in the defense of any claim, issue or matter therein, he shall be
indemnified against expenses (including attorneys' fees) actually and reasonably incurred by him in
connection therewith; that indemnification provided for by Section 145 of the DGCL shall not be
deemed exclusive of any other rights to which the indemnified party may be entitled; and that the
corporation may purchase and maintain insurance on behalf of a director or officer of the
corporation against any liability asserted against such officer or director and incurred by him or
her in any such capacity or arising out of his or her status as such, whether or not the
corporation would have the power to indemnify him or her against such liabilities under Section 145
of the DGCL.
Article Seven of the registrant's Amended and Restated Bylaws contains provisions for
indemnification of directors and officers and for the advancements of expenses to any director or
officer to the fullest extent permitted by Delaware law. Additionally, Article Eleventh of the
registrant's Restated Certificate of Incorporation provides that no director shall be liable to the
registrant or its stockholders for monetary damages for breach of fiduciary duty as a director to
the fullest extent permitted by Delaware law.
Article Eight of the registrant's Amended and Restated Bylaws permits the registrant to
purchase insurance for directors and officers and any person whom the registrant has the power to
indemnify pursuant to law, the registrant's Restated Certificate of Incorporation and Amended and
Restated Bylaws against liability for expenses, judgments or settlements. The registrant has
director and officer insurance in place for its directors and officers.
2
In addition, the registrant has entered into Indemnity Agreements with its directors and
executive officers. The form of Indemnity Agreement entered into with each director and officer was
previously filed with the Commission as Exhibit 10.1 to the registrant's Current Report on Form 8-K
filed on May 31, 2005. The registrant's board of directors may from time to time authorize the
Company to enter into additional indemnity agreements with other of its future directors and
officers utilizing the same form of Indemnity Agreement.
The Indemnity Agreements generally provide that the registrant will, to the extent permitted
by applicable law, indemnify and hold harmless each indemnitee that is, or is threatened to be
made, a party to any civil, criminal or administrative proceeding by reason of the fact that such
person is or was a director or officer of the Company or is or was serving at the request of the
Company as a director, officer, trustee, general partner, managing member, fiduciary, employee or
agent of any other enterprise, against all expenses, judgments, fines, penalties and amounts paid
in settlement actually and reasonably incurred by the indemnitee in connection with any such
proceeding. The Indemnity Agreements provide the indemnitee with indemnification rights in
connection with third-party proceedings and proceedings brought by or in the right of the
registrant. In addition, the Indemnity Agreements provide for the advancement of expenses incurred
by the indemnitee in connection with any covered proceeding to the fullest extent permitted by
applicable law. The Indemnity Agreements also provide that if the indemnification rights provided
for therein are unavailable for any reason, the registrant will pay, in the first instance, the
entire amount incurred by the indemnitee in connection with any covered proceeding and waives and
relinquishes any right of contribution it may have against the indemnitee.
The rights provided by the Indemnity Agreements are in addition to any other rights to
indemnification or advancement of expenses to which the indemnitee may be entitled under applicable
law, the registrant's Restated Certificate of Incorporation or Amended and Restated Bylaws, or
otherwise.
The above description of the Indemnity Agreements is subject to, and is qualified in its
entirety by reference to, all the provisions of the form of Indemnity Agreement, previously filed
as Exhibit 10.1 to the registrant's Current Report on Form 8-K filed on May 31, 2005.
Item 7. Exemption from Registration Claimed.
Not Applicable.
Item 8. Exhibits.
See Index to Exhibits, attached hereto, which Index to Exhibits is hereby incorporated into
this Item 8.
Item 9. Undertakings.
(a)
The Company 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;
(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; and
(iii)
To include any material information with respect to the plan of
distribution not previously disclosed in the Registration Statement or any material
change to such information in the Registration Statement.
3
provided, however,
that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the
information required to be included in a post-effective amendment by those paragraphs is
contained in reports filed with or furnished to the Commission by the Company pursuant
to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in
the Registration Statement.
(2)
That, for the purpose of determining any liability under the Securities Act,
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 Company hereby undertakes that, for purposes of determining any liability under the
Securities Act, each filing of the Company's annual report pursuant to Section 13(a) or
Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee
benefit plan's annual report pursuant to Section 15(d) of the Exchange Act) 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 may be
permitted to directors, officers and controlling persons of the Company pursuant to the
foregoing provisions or otherwise, the Company has been advised that in the opinion of the
Commission such indemnification is against public policy as expressed in the Securities Act
and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Company of expenses incurred or paid by a
director, officer or controlling person of the Company 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 Company 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 Securities Act and will be governed by the final adjudication of
such issue.
4
SIGNATURES
Pursuant to the requirements of the Securities Act, Quanta Services, Inc. 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 Houston, State of Texas on
May 20, 2011.
QUANTA SERVICES, INC.
By:
/s/ James F. O'Neil III
James F. O'Neil III
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes
and appoints James F. O'Neil III and James H. Haddox, each of whom may act without joinder of the
other, as his or her true and lawful attorneys-in-fact and agents, each with full power of
substitution and resubstitution, for such person and in his or her name, place and stead, in any
and all capacities, to sign any and all amendments to this Registration Statement on Form S-8, and
to file the same, with all exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and
authority to do and perform each and every act and thing requisite and necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may
lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act, this Registration Statement has been
signed by the following persons in the listed capacities on May 20, 2011:
Name
Title
/s/ James F. O'Neil III
President and Chief Executive Officer, Director
James F. O'Neil III
(Principal Executive Officer)
/s/ James H. Haddox
Chief Financial Officer
James H. Haddox
(Principal Financial Officer)
/s/ Derrick A. Jensen
Senior Vice President — Finance and
Derrick A. Jensen
Administration and Chief Accounting
Officer
(Principal Accounting Officer)
/s/ John R. Colson
John R. Colson
Executive Chairman of the Board and Director
/s/ James R. Ball
James R. Ball
Director
/s/ J. Michal Conaway
J. Michal Conaway
Director
Name
Title
/s/ Ralph R. Disibio
Ralph R. Disibio
Director
/s/ Vincent D. Foster
Vincent D. Foster
Director
/s/ Bernard Fried
Bernard Fried
Director
/s/ Louis C. Golm
Louis C. Golm
Director
/s/ Worthing F. Jackman
Worthing F. Jackman
Director
/s/ Bruce Ranck
Bruce Ranck
Director
/s/ Pat Wood, III
Pat Wood, III
Director
INDEX TO EXHIBITS
Exhibit
Number
Description of Exhibits
4.1
Restated Certificate of Incorporation (previously filed as Exhibit 3.3 to the Company's
Form 10-Q for the quarterly period ended June 30, 2003 (File No. 001-13831) filed August
14, 2003 and incorporated herein by reference)
4.2
Bylaws of Quanta Services, Inc., as amended and restated December 9, 2010 (previously
filed as Exhibit 3.1 to the Company's Form 8-K (File No. 001-13831) filed December 15,
2010 and incorporated herein by reference)
4.3
Indenture regarding 4.5% Convertible Subordinated Debentures between Quanta Services,
Inc. and Wells Fargo Bank, N.A., Trustee, dated as of October 17, 2003 (previously filed
as Exhibit 4.1 to the Company's Form 10-Q for the quarterly period ended September 30,
2003 (File No. 001-13831) filed November 14, 2003 and incorporated herein by reference)
4.4
Indenture regarding 3.75% Convertible Subordinated Notes dated as of May 3, 2006,
between Quanta Services, Inc. and Wells Fargo Bank, National Association, as trustee
(previously filed as Exhibit 99.2 to the Company's Form 8-K (File No. 001-13831) filed
May 4, 2006 and incorporated herein by reference)
4.5*
Quanta Services, Inc. 2011 Omnibus Equity Incentive Plan
5.1*
Opinion of Carolyn M. Campbell regarding legality of securities being registered
23.1*
Consent of Carolyn M. Campbell (included in Exhibit 5.1 filed herewith)
23.2*
Consent of PricewaterhouseCoopers LLP
24.1*
Powers of Attorney (included on signature page)
*
Filed herewith.