| Marathon Petroleum Corp. is an independent petroleum product refiners, marketers and transporters in the United States. The company operates through the following segments: Refining & Marketing, Speedway and Midstream. The Refining & Marketing segment refines crude oil and other feedstocks at its refineries in the Gulf Coast and Midwest regions of the United States, purchases ethanol and refined products for resale and distributes refined products through various means, including barges, terminals and trucks that the company owns or operates. |
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