Marathon Petroleum Corporation, together with its subsidiaries, engages in refining, marketing, retailing, and transporting petroleum products primarily in the United States. It operates through three segments: Refining & Marketing, Speedway, and Midstream. The company refines crude oil and other feed stocks at its seven refineries in the Gulf Coast and Midwest regions of the United States; and purchases ethanol and refined products for resale. Its refined products include gasoline, distillates, propane, feed stocks and petrochemicals, heavy fuel oil, and asphalt. The company also sells transportation fuels and convenience products in the retail market through Speedway convenience stores; gathers, transports, fractionates, stores, and markets natural gas liquids (NGLs); and transports and stores crude oil and refined products. Marathon Petroleum Corporation markets its refined products to resellers, consumers, independent retailers, wholesale customers, its Marathon brand jobbers and Speedway brand convenience stores, airlines, transportation companies, and utilities. The company also exports its refined products. As of February 2, 2017, it owned, leased, and had ownership interests in approximately 8,400 miles of crude and light product pipelines, as well as 5,600 miles of gas gathering and NGLs pipelines; and owned and operated approximately 5,500 independently owned retail outlets in 19 states, and 2,730 convenience stores in 21 states. The company was incorporated in 2009 and is headquartered in Findlay, Ohio.