Matrix Service Company provides engineering, fabrication, infrastructure, construction, and maintenance services primarily to the oil, gas, power, petrochemical, industrial, agricultural, and mining markets in the United States, Canada, and internationally. The company's Electrical Infrastructure segment offers construction and maintenance services to various power generation facilities, such as combined cycle plants and natural gas fired power stations; and high voltage services comprising the construction of new substations, upgrading existing substations, short-run transmission line installations, distribution upgrades and maintenance, and storm restoration services. Matrix Service Company was founded in 1984 and is headquartered in Tulsa, Oklahoma.