Matrix Service Company provides engineering, fabrication, infrastructure, construction, and maintenance services primarily to the oil, gas, power, petrochemical, industrial, agricultural, mining, and minerals markets in the United States, Canada, and internationally. The company's Electrical Infrastructure segment offers power delivery services, including construction of new substations, upgrades of existing substations, short-run transmission line installations, distribution upgrades, and maintenance; and emergency and storm restoration services. It also provides construction and maintenance services to combined cycle plants and other natural gas fired power stations. The company's Oil Gas & Chemical segment offers plant maintenance, turnarounds, engineering, and capital construction services; and hydro-blasting and excavating, advanced chemical cleaning, and vacuum services, as well as performs work in the petrochemical, upstream petroleum, sulfur extraction, and recovery and process