<SEC-DOCUMENT>0001193125-17-286066-index.html : 20170915
<SEC-HEADER>0001193125-17-286066.hdr.sgml : 20170915
<ACCEPTANCE-DATETIME>20170915120934
ACCESSION NUMBER:		0001193125-17-286066
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20171031
FILED AS OF DATE:		20170915
DATE AS OF CHANGE:		20170915
EFFECTIVENESS DATE:		20170915

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MATRIX SERVICE CO
		CENTRAL INDEX KEY:			0000866273
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
		IRS NUMBER:				731352174
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15461
		FILM NUMBER:		171087408

	BUSINESS ADDRESS:	
		STREET 1:		5100 EAST SKELLY DRIVE
		STREET 2:		SUITE 500
		CITY:			TULSA
		STATE:			OK
		ZIP:			74135
		BUSINESS PHONE:		9188388822

	MAIL ADDRESS:	
		STREET 1:		5100 EAST SKELLY DRIVE
		STREET 2:		SUITE 500
		CITY:			TULSA
		STATE:			OK
		ZIP:			74135
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d450655ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d450655ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g450655cavanaha04.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g450655cavanaha04.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g450655dsp02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g450655dsp02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g450655pc1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g450655pc1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g450655pc2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g450655pc2.jpg

</DOCUMENT>
</SEC-DOCUMENT>