    <SEC-DOCUMENT>0001206774-17-001200-index.html : 20170414
    <SEC-HEADER>0001206774-17-001200.hdr.sgml : 20170414
    <ACCEPTANCE-DATETIME>20170414062031
    ACCESSION NUMBER:		0001206774-17-001200
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		24
    CONFORMED PERIOD OF REPORT:	20170524
    FILED AS OF DATE:		20170414
    DATE AS OF CHANGE:		20170414
    EFFECTIVENESS DATE:		20170414

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			QUANTA SERVICES INC
    		CENTRAL INDEX KEY:			0001050915
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL WORK [1731]
    		IRS NUMBER:				742851603
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13831
    		FILM NUMBER:		17762059

    	BUSINESS ADDRESS:
    		STREET 1:		2800 POST OAK BLVD
    		STREET 2:		SUITE 2600
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77056-6175
    		BUSINESS PHONE:		7133506000

    	MAIL ADDRESS:
    		STREET 1:		2800 POST OAK BLVD SUITE 2600
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77056-6175
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>quanta3142451-def14a.htm
    <DESCRIPTION>DEFINITIVE PROXY STATEMENT
    <TEXT>
    Document 1 - file: quanta3142451-def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>2
    <FILENAME>pwr_courtesy-pdf.pdf
    <DESCRIPTION>DEFINITIVE PROXY STATEMENT
    <TEXT>
    Document 2 - file: pwr_courtesy-pdf.pdf

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>quanta3142451-def14a1x1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: quanta3142451-def14a1x1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>quanta3142451-def14a1x1x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: quanta3142451-def14a1x1x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>quanta3142451-def14a1x2x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: quanta3142451-def14a1x2x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>quanta3142451-def14a1x6x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: quanta3142451-def14a1x6x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>quanta3142451-def14a1x7x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: quanta3142451-def14a1x7x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>quanta3142451-def14a1x7x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: quanta3142451-def14a1x7x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>quanta3142451-def14a1x7x3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: quanta3142451-def14a1x7x3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>quanta3142451-def14a1x7x4.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: quanta3142451-def14a1x7x4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>quanta3142451-def14a1x7x5.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: quanta3142451-def14a1x7x5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>quanta3142451-def14a2x1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: quanta3142451-def14a2x1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>quanta3142451-def14a2x1x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: quanta3142451-def14a2x1x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>quanta3142451-def14a2x1x3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: quanta3142451-def14a2x1x3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>quanta3142451-def14a2x2x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: quanta3142451-def14a2x2x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>quanta3142451-def14a3x6x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: quanta3142451-def14a3x6x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>quanta3142451-def14a3x7x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: quanta3142451-def14a3x7x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>quanta3142451-def14a3x7x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: quanta3142451-def14a3x7x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>quanta3142451-def14a4x6x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: quanta3142451-def14a4x6x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>quanta3142451-def14a4x6x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: quanta3142451-def14a4x6x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>quanta3142451-def14a4x6x3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: quanta3142451-def14a4x6x3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>quanta3142451-def14ax1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: quanta3142451-def14ax1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>quanta3142451-def14ax1x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: quanta3142451-def14ax1x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>quanta3142451-def14ax1x3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: quanta3142451-def14ax1x3.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>