Marathon
Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system with more than 3 million barrels per day of crude oil capacity across sixteen refineries. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets, and company-owned and -operated retail convenience stores across the United States. MPC also owns the general partner and majority limited partner interests in two midstream companies, MPLX LP and Andeavor Logistics LP, which own and operate gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.