Company profiles 19 — 25 for Oklahoma Inc.

Company profiles 19 — 25 for Oklahoma Inc.
Published: November 13, 2011
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Company profiles

19. Matrix Service Co.

Address: 5100 E Skelly Drive Suite 700, Tulsa, OK 74135

Phone: (918) 838-8822

Website: www.matrixservice.com

Ticker: MTRX

Exchange: NAS

At the top: John R. Hewitt

Employees: 2,818

Industry: Site Preparation Contractors

Summary: Matrix Service Co. provides construction, repair and maintenance services mainly to the petroleum and power industries.

20. Williams Cos Inc.