Matrix Service was formed in 1984 and specializes in industrial construction, repair and maintenance services. The company offers turnkey construction, structural steel erection, mechanical installation, process piping, rigging and plant modifications. Its capabilities include turnarounds, facility maintenance, boiler repair, industrial cleaning, fabrication and emergency response services. Matrix Service serves the refining, power, petrochemical, pulp and paper, food and beverage, pharmaceutical and transportation industries. The Company, which is headquartered in Tulsa, Okla., has nearly 15 locations in the United States and Canada. It maintains a facility in Orange, Calif.