<SEC-DOCUMENT>0000866273-22-000012-index.html : 20220412
<SEC-HEADER>0000866273-22-000012.hdr.sgml : 20220412
<ACCEPTANCE-DATETIME>20220307152203
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000866273-22-000012
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20220307

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:		CORRESP

	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>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>matrixlogoa01a09.gif
<TEXT>
Document 2 - file: matrixlogoa01a09.gif

</DOCUMENT>
</SEC-DOCUMENT>