Matrix Service is a wholly owned subsidiary of Matrix Service Company, which is an industrial service contractor that offers a range of construction services. It also provides repair and maintenance services. Matrix Service Company serves the refining, power, terminal, storage, petrochemical, chemical, gas, pulp and paper, food and beverage, pharmaceutical, water, wastewater and transportation industries. The company serves throughout the United States and Canada. Matrix Service Company offers in-house estimating, scheduling and cost control services. It provides civil and tank construction, structural steel erection, mechanical installation, process piping, electrical and instrumentation and fabrication services. Matrix Service Company also offers vessel, boiler and centerline turbine erection, rigging and millwright, plant modification, and startup and commissioning services.