<SUBMISSION>
<ACCESSION-NUMBER>0000899243-03-000376
<TYPE>SC TO-I/A
<PUBLIC-DOCUMENT-COUNT>3
<FILING-DATE>20030225
<SUBJECT-COMPANY>
<COMPANY-DATA>
<CONFORMED-NAME>QUANTA SERVICES INC
<CIK>0001050915
<ASSIGNED-SIC>1731
<IRS-NUMBER>742851603
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC TO-I/A
<ACT>34
<FILE-NUMBER>005-54689
<FILM-NUMBER>03579563
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1360 POST OAK BLVD
<STREET2>SUITE 2100
<CITY>HOUSTON
<STATE>TX
<ZIP>77056
<PHONE>7133506000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1360 POST OAK BLVD SUITE 2100
<CITY>HOUSTON
<STATE>TX
<ZIP>77056
</MAIL-ADDRESS>
</SUBJECT-COMPANY>
<FILED-BY>
<COMPANY-DATA>
<CONFORMED-NAME>QUANTA SERVICES INC
<CIK>0001050915
<ASSIGNED-SIC>1731
<IRS-NUMBER>742851603
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC TO-I/A
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1360 POST OAK BLVD
<STREET2>SUITE 2100
<CITY>HOUSTON
<STATE>TX
<ZIP>77056
<PHONE>7133506000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1360 POST OAK BLVD SUITE 2100
<CITY>HOUSTON
<STATE>TX
<ZIP>77056
</MAIL-ADDRESS>
</FILED-BY>
<DOCUMENT>
<TYPE>SC TO-I/A
<SEQUENCE>1
<FILENAME>dsctoia.htm
<DESCRIPTION>AMENDMENT NO. 6
<TEXT>
<HTML><HEAD>
<TITLE>Amendment No. 6</TITLE>
</HEAD>
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<P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"
ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>UNITED STATES </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>SECURITIES AND EXCHANGE
COMMISSION </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Washington, D.C. 20549 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>SCHEDULE TO </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>(Amendment No. 6) </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Tender Offer Statement under Section 14(d)(1) or
13(e)(1) </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>of the Securities Exchange Act of 1934 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>QUANTA SERVICES, INC. </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000">(Name of Subject Company (Issuer) and Filing Person) </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"
ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Options to Purchase Common Stock, par value $.00001 per share, </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000"><B>Having an Exercise Price of $10.00 or More </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Title of Class of Securities) </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>74762E 10 2 </B></FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(CUSIP Number of Class of Securities) </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="2" COLOR="#000000">(Underlying Common Stock) </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000"><B>Dana A. Gordon </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Vice President, General Counsel and Secretary </B></FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Quanta Services, Inc. </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000"><B>1360 Post Oak Blvd., Suite 2100 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Houston, Texas 77056 </B></FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>(713) 629-7600 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000">(Name, Address and Telephone Number of Person Authorized to Receive Notices and </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Communications on Behalf of
Filing Person) </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">With a copy to:<B></B>
</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Eric A. Blumrosen </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="2" COLOR="#000000"><B>Gardere Wynne Sewell LLP </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>1000 Louisiana, Suite 3400 </B></FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Houston, Texas 77002-5007 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="2" COLOR="#000000"><B>(713) 276-5500 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><FONT
FACE="WINGDINGS">&#120;</FONT> Check the box if any part of the fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or
the Form or Schedule and the date of its filing. </FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; margin-left:4%"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000">Amount previously paid: $1,175. Filing party: Quanta Services, Inc. Form or Registration No.: 005-54689. Date filed: January 21, 2003. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"> Check the box if the filing
relates solely to preliminary communications made before the commencement of a tender offer. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000">Check the appropriate boxes below to designate any transactions to which the statement relates: </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">&nbsp;third party tender offer subject to Rule 14d-1. </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><FONT FACE="WINGDINGS">&#120;</FONT>&nbsp;issuer tender offer subject to Rule 13e-4. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">&nbsp;going-private transaction subject to Rule 13e-3. </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">&nbsp;amendment to Schedule 13D
under Rule 13d-2. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Check the following box if the filing is a
final amendment reporting the results of the tender offer.&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"> </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>



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<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>INTRODUCTION </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">This Amendment No. 6 (this &#147;Amendment&#148;) amends and supplements the Tender Offer Statement on Schedule TO (the
&#147;Schedule TO&#148;) filed with the Securities and Exchange Commission (the &#147;Commission&#148;) on January 21, 2003 by Quanta Services, Inc. (the &#147;Company&#148;), as previously amended by Amendment No. 1 to Schedule TO (&#147;Amendment
No. 1&#148;) filed with the Commission on February 7, 2003 by the Company and Amendment No. 2 to Schedule TO (&#147;Amendment No. 2&#148;) filed with the Commission on February 12, 2003 by the Company and Amendment No. 3 to Schedule TO
(&#147;Amendment No. 3&#148;) filed with the Commission on February 18, 2003 by the Company and Amendment No. 4 to Schedule TO (&#147;Amendment No. 4&#148;) filed with the Commission on February 19, 2003 by the Company and Amendment No. 5 to
Schedule TO (&#147;Amendment No. 5&#148;) filed with the Commission on February 24, 2003 by the Company. Capitalized terms used and not defined in this Amendment have the meanings given to those terms in the Schedule TO, Amendment No. 1, Amendment
No. 2, Amendment No. 3, Amendment No. 4, Amendment No. 5 and their respective exhibits. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman"
SIZE="2" COLOR="#000000"><B>ITEM 4. </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Item 4 of the Schedule
TO, as amended by Amendment No. 1, Amendment No. 2, Amendment No. 3, Amendment No. 4 and Amendment No. 5, is hereby amended and supplemented as follows: </FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">On February 24, 2003, the Company announced that the stock option exchange offer has been extended and now will expire at 5:00 P.M.,
Central Standard Time, on Monday, March 10, 2003, unless the offer is further extended. Accordingly, each reference to the expiration date contained in the Offer to Exchange, Letter of Transmittal and any other communications sent to eligible option
holders now means 5:00 P.M., Central Standard Time, Monday, March 10, 2003. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000"><B>ITEM 12. </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Item 12 is hereby amended and
supplemented as follows to add Exhibits (a)(8) and (a)(9) filed herewith: </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">

<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(1)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Offer to Exchange, dated January 21, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(2)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Form of Letter of Transmittal.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(3)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Form of Letter to Holders.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(4)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Pages 29 through 57 of the Quanta Services, Inc. Annual Report on Form 10-K for the year ended December 31, 2001,
filed with the Securities and Exchange Commission on April 1, 2002, incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(5)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Pages 1 through 12 of the Quanta Services, Inc. Quarterly Report on Form 10-Q for the quarter ended September 30,
2002, filed with the Securities and Exchange Commission on November 14, 2002, incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(6)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Letter to Eligible Option Holders, dated February 7, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(7)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Transcript of conference call with eligible participants, held on February 17, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(8)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release, dated February 24, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(9)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Letter to Eligible Option Holders, dated February 25, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(b)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Not applicable.</FONT></P></TD></TR>
</TABLE>

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<P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(1)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Quanta Services, Inc. 2001 Stock Incentive Plan (amending and restating the 1997 Stock Option Plan), filed as Exhibit
10.22 to the Company&#146;s Quarterly Report on Form 10-Q for the quarter ended June 30, 2001, and incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(2)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Amendment No. 1 to Quanta Services, Inc. 2001 Stock Incentive Plan, filed as Exhibit 10.15 to the Company&#146;s
Annual Report on Form 10-K for the year ended December 31, 2001, and incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(3)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Amendment No. 2 to Quanta Services, Inc. 2001 Stock Incentive Plan.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(4)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Amendment No. 3 to Quanta Services, Inc. 2001 Stock Incentive Plan.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(5)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Representative Sample of Restricted Stock Award Agreement (included as Schedule B to Exhibit (a)(1) and incorporated
herein by reference).</FONT></P></TD></TR>
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<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(g)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Not applicable.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="7%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(h)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="92%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Not applicable.</FONT></P></TD></TR>
</TABLE><HR WIDTH="8%" SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">* Previously filed. </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>SIGNATURE </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Amendment is
true, complete and correct. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><DIV STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0">

<TR>
<TD VALIGN="top" COLSPAN="3" WIDTH="37%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>QUANTA SERVICES, INC.</B></FONT></P></TD></TR>
<TR>
<TD HEIGHT="16"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="2%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" WIDTH="37%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">/s/&nbsp;&nbsp;&nbsp;&nbsp;DANA A. GORDON</FONT></P><HR SIZE="1" NOSHADE COLOR="#000000"
ALIGN="left"></TD></TR>
<TR>
<TD><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="37%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Dana A. Gordon</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Vice President, General Counsel and Secretary</FONT></P></TD></TR>
</TABLE></DIV><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Dated: February
25, 2003<B></B> </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>



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<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>INDEX TO EXHIBITS </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">

<TR>
<TD VALIGN="bottom" ALIGN="center"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">EXHIBIT NUMBER</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">DESCRIPTION</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(1)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Offer to Exchange, dated January 21, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(2)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Form of Letter of Transmittal.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(3)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Form of Letter to Holders.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(4)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Pages 29 through 57 of the Quanta Services, Inc. Annual Report on Form 10-K for the year ended December 31, 2001,
filed with the Securities and Exchange Commission on April 1, 2002, incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(5)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Pages 1 through 12 of the Quanta Services, Inc. Quarterly Report on Form 10-Q for the quarter ended September 30,
2002, filed with the Securities and Exchange Commission on November 14, 2002, incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(6)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Letter to Eligible Option Holders, dated February 7, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(7)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Transcript of conference call with eligible participants, held on February 17, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(8)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release, dated February 24, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(a)(9)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Letter to Eligible Option Holders, dated February 25, 2003.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(b)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Not applicable.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(1)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Quanta Services, Inc. 2001 Stock Incentive Plan (amending and restating the 1997 Stock Option Plan), filed as Exhibit
10.22 to the Company&#146;s Quarterly Report on Form 10-Q for the quarter ended June 30, 2001, and incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(2)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Amendment No. 1 to Quanta Services, Inc. 2001 Stock Incentive Plan, filed as Exhibit 10.15 to the Company&#146;s
Annual Report on Form 10-K for the year ended December 31, 2001, and incorporated herein by reference.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(3)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Amendment No. 2 to Quanta Services, Inc. 2001 Stock Incentive Plan.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(4)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Amendment No. 3 to Quanta Services, Inc. 2001 Stock Incentive Plan.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(d)(5)*</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Representative Sample of Restricted Stock Award Agreement (included as Schedule B to Exhibit (a)(1) and incorporated
herein by reference).</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(g)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Not applicable.</FONT></P></TD></TR>
<TR>
<TD HEIGHT="13"></TD></TR>
<TR>
<TD VALIGN="top" WIDTH="9%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(h)</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" WIDTH="90%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Not applicable.</FONT></P></TD></TR>
</TABLE><HR WIDTH="8%" SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">* Previously filed. </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>


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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(8)
<SEQUENCE>3
<FILENAME>dex99a8.htm
<DESCRIPTION>PRESS RELEASE
<TEXT>
<HTML><HEAD>
<TITLE>Press Release</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>EXHIBIT (a)(8) </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>QUANTA SERVICES, INC. ANNOUNCES AN EXTENSION OF ITS STOCK OPTION EXCHANGE PROGRAM UNTIL MARCH 10, 2003 </B></FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">HOUSTON, Feb. 24 /PRNewswire-FirstCall/ &#151; Quanta Services, Inc. (NYSE:
PWR&#151;News) announced today that it has extended the expiration of its stock option exchange program. The program will now expire at 5:00 P.M., Central Standard Time, on Monday, March 10, 2003. The offer was previously scheduled to expire at 5:00
P.M., Central Standard Time, on Friday, February 28, 2003. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000">Quanta Services, Inc. is a leading provider of specialized contracting services, delivering end-to-end network solutions for electric power, gas, telecommunications and cable television industries. The company&#146;s comprehensive
services include designing, installing, repairing and maintaining network infrastructure nationwide. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">

<TR>
<TD VALIGN="top" WIDTH="17%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Contacts:</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" WIDTH="31%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Dana Gordon</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Vice President</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000">Quanta Services, Inc.</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">713-629-7600</FONT></P></TD>
<TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" WIDTH="35%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Ken Dennard / kdennard@drg-e.com</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Lisa Elliott / lelliott@drg-e.com.com</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">DRG&amp;E</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000">713-529-6600<B></B></FONT></P></TD></TR>
</TABLE>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(9)
<SEQUENCE>4
<FILENAME>dex99a9.htm
<DESCRIPTION>LETTER TO ELIGIBLE OPTION HOLDERS
<TEXT>
<HTML><HEAD>
<TITLE>Letter to Eligible Option Holders</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>EXHIBIT (a)(9) </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>[Quanta logo] </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>February 25, 2003 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Dear Eligible Option Holder: </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">We are pleased to inform you that we have decided to extend the offer to exchange your eligible options for restricted stock until 5:00
P.M., Central Standard Time, on Monday, March 10, 2003. The offer was previously scheduled to expire at 5:00 P.M., Central Standard Time, on Friday, February 28, 2003. Therefore, all references in the offer to the expiration date now refer to 5:00
P.M., Central Standard Time, Monday, March 10, 2003, unless we further extend the offer. Except for the extension of the offer, all of the other terms of the offer, including the vesting dates, remain the same.<B></B> </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>What does this mean to you? </B></FONT></P><P
STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>You have until 5:00 P.M., Central Standard Time, on
Monday, March 10, 2003 to participate in the exchange offer.</B> If you have previously submitted your Signature Page to the Letter of Transmittal, you do not need to do anything else unless you want to withdraw all of your eligible options you
previously tendered. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">If you have not submitted
your Signature Page to the Letter of Transmittal and you want to participate in the exchange offer, you need to submit your properly completed and executed Signature Page to the Letter of Transmittal to Quanta Services, Inc. by fax to the Stock
Option Exchange Team at 713-629-7707, or by mail or personal delivery to 1360 Post Oak Blvd., Suite 2100, Houston, TX 77056. If you choose to fax your Signature Page to the Letter of Transmittal, please copy it onto white paper and fax the copy.
Also, either include a cover page and ask us to return a confirmation of receipt or call Janie Wimberly at 713-985-6434 for confirmation of our receipt. If we do not receive your Signature Page to the Letter of Transmittal on or before 5:00 P.M.,
Central Standard Time, on Monday, March 10, 2003, and, if the offer is further extended, on the extended expiration date, we will deem that you have elected not to participate in the offer. </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">If you would like to withdraw your previously tendered
eligible options, you need to submit a written notice of withdrawal by 5:00 P.M., Central Standard Time, on Monday, March 10, 2003. <B>You do not need to submit a notice of withdrawal unless you want to withdraw your previously tendered eligible
options.</B> </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">If you do not wish to exchange your
eligible options for restricted stock, you do not need to do anything. Your options will remain outstanding and subject to the same terms and conditions. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>

<p Style='page-break-before:always'>
<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">
<P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">If you have
any questions concerning the offer, or if you would like us to mail you another information packet regarding the offer, please leave a message for the Stock Option Exchange Team at 713-985-6499 or 800-7QUANTA(778-2682) or email the Team at
StockOptionExchangeTeam@quantaservices.com. We encourage you to ask questions as soon as possible so we can respond to them before the offer expires at 5:00 P.M., Central Standard Time, on Monday, March 10, 2003. </FONT></P><P
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<TD VALIGN="top" COLSPAN="3" WIDTH="37%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Very truly yours,</FONT></P></TD></TR>
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<TD VALIGN="top" COLSPAN="3" WIDTH="37%"><HR SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"></TD></TR>
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<TD VALIGN="top" COLSPAN="3" WIDTH="37%"> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">John R. Colson</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px; margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Chairman of the Board and Chief Executive Officer</FONT></P></TD></TR>
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