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    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		22
    CONFORMED PERIOD OF REPORT:	20180524
    FILED AS OF DATE:		20180413
    DATE AS OF CHANGE:		20180413
    EFFECTIVENESS DATE:		20180413

    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:		18753112

    	BUSINESS ADDRESS:
    		STREET 1:		2800 POST OAK BLVD
    		STREET 2:		SUITE 2600
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77056-6175
    		BUSINESS PHONE:		713-629-7600

    	MAIL ADDRESS:
    		STREET 1:		2800 POST OAK BLVD SUITE 2600
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77056-6175
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