Marathon Petroleum Corporation is an integrated downstream and midstream energy company headquartered in Findlay, Ohio, operating the nation’s largest refining system. It produces and markets refined fuels and industrial petroleum products, and its marketing system includes branded retail locations across the United States. The company also owns the general partner and majority limited partner interest in MPLX LP, which operates gathering, processing, transportation and logistics assets.
ENERGY STAR® certification
ENERGY STAR® refinery certifications
OSHA Voluntary Protection Program (VPP) Star
Compliance program
OSHAVPPSTAR
Quality certification
United Refining CompanyUnited Refining Company is an independent refiner and marketer of petroleum products, founded in 1902 in Warren, Pennsylvania. The company operates a modern refinery with a capacity of approximately 70,000 barrels per day, producing gasoline, distillates, and asphalts, and markets through over 350 retail outlets under the Kwik Fill, Country Fair, and Keystone brands. United employs over 4,000 people and serves customers in Pennsylvania, New York, and Ohio.CALIFORNIA, PA
Valero Energy CorporationValero Energy Corporation is a San Antonio-headquartered energy company that operates 14 petroleum refineries and 12 U.S. ethanol plants, producing liquid transportation fuels and other products. It is also a joint venture member in Diamond Green Diesel, whose two Gulf Coast plants produce renewable diesel and sustainable aviation fuel. The company reports 3 million barrels per day of refinery throughput capacity and 1.7 billion gallons per year of ethanol production capacity.BLOOMINGBURG, OH
Toledo Refining CompanyToledo Refining Company operates a petroleum refinery in Oregon, Ohio, where it processes approximately 165,000 barrels of crude oil per day. Dating to 1895, the refinery has grown from Sun Oil Company’s original 14-acre site to a facility producing gasoline and other petroleum products; it is now owned by PBF Energy.OREGON, OH
SunocoSunoco is an independent fuel distribution company with roots in Pittsburgh, where its predecessor began producing, transporting, storing, refining, shipping, and marketing petroleum in 1890. The company now distributes fuel to more than 5,000 gas-station locations in over 30 states and describes itself as the world’s largest manufacturer of race fuels, drawing on more than 60 years of race-fuel expertise.INDIANOLA PA, PA