Whether they need a heat recovery steam generator stack erection, a gas plant relocation, or a petroleum terminal upgrade, many heavy industry decision makers turn to a Tulsa, Oklahoma outfit for help.

Matrix Service Company (NASDAQ: MTRX) provides construction, repair and maintenance services, primarily to the petroleum and power sectors in the United States and Canada. The construction services segment designs and builds plants, refineries and aboveground storage tanks. The repair and maintenance unit offers preventive, routine, and emergency repair services, specializing in turnarounds, outages, and shutdowns. The company operates from offices in Oklahoma, Texas, California, Washington, Illinois, Michigan, Pennsylvania, Delaware and Ontario. Clients include BP plc (NYSE: BP), Chevron (NYSE: CVX) and FedEx (NYSE: FDX).

The firm pleased investors last week, when it reported Q3 EPS of 24 cents and revenues of $168.7 million. Analysts had been expecting 17 cents and $136.5 million. Management also guided FY07 revenues to $630-640 million, versus consensus of $588.92.