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 Pipeline Transportation. 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 special products, heavy fuel oil, and asphalt. The company also sells transportation fuels and convenience products in the retail market through Speedway convenience stores; and transports crude oil and other feed stocks to its refineries and other locations. Marathon Petroleum Corporation markets its refined products to resellers, consumers, independent retailers, wholesale customers, marathon-branded independent entrepreneurs, its Speedway convenience stores, airlines, transportation companies, and utility companies, as well as exports its refined products. As of December 31, 2014, it owned, leased, and had ownership interests in approximately 8,300 miles of pipelines, as well as owned and operated 2,750 gasoline and convenience stores in 22 states of the United States; and had 5,460 retail outlets operated by independent entrepreneurs in 19 states in the United States. The company was incorporated in 2009 and is headquartered in Findlay, Ohio.