Attached files

file filename
EX-32.1 - CERTIFICATION SECTION 906 - CEO - MATRIX SERVICE COexhibit321-mtrxx2015x06x30.htm
EX-95 - MINE SAFETY DISCLOSURE - MATRIX SERVICE COexhibit95-mtrxx2015x06x30x.htm
EX-31.1 - CERTIFICATION - CEO - MATRIX SERVICE COexhibit311-mtrxx2015x06x30.htm
EX-31.2 - CERTIFICATION - CFO - MATRIX SERVICE COexhibit312-mtrxx2015x06x30.htm
EX-32.2 - CERTIFICATION SECTION 906 - CFO - MATRIX SERVICE COexhibit322-mtrxx2015x06x30.htm
10-K - 10-K - MATRIX SERVICE COmtrx2015-06x30x10k.htm
EX-23 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - MATRIX SERVICE COexhibit23-mtrxx2015x06x30x.htm


EXHIBIT 21
Matrix Service Company
Subsidiaries

Matrix Service Inc., an Oklahoma corporation
Matrix Service Inc., an Ontario, Canada corporation
Matrix Service Canada ULC, an Alberta, Canada unlimited liability corporation
Matrix North American Construction, Inc., an Oklahoma corporation
Matrix North American Construction, Ltd., a Canadian corporation
Matrix SME Canada, Inc., a Delaware corporation
Matrix SME Canada ULC, a Nova Scotia, Canada unlimited liability corporation
Matrix PDM Engineering, Inc., a Delaware corporation
Matrix PDM, LLC, an Oklahoma limited liability corporation
Matrix Applied Technologies, Inc., a Delaware corporation
Mobile Aquatic Solutions, Inc., an Oklahoma corporation
Matrix Specialized Transport, Inc., a Pennsylvania corporation