Marathon Petroleum Co.
Winners of the 2022 Social & Environmental Sustainability Award
Marathon Petroleum Corporation is an American petroleum refining, marketing, and transportation company headquartered in Findlay, Ohio. The company was a wholly owned subsidiary of Marathon Oil until a corporate spin-off in 2011. Following its acquisition of Andeavor on October 1, 2018, Marathon Petroleum became the largest petroleum refinery operator in the United States, with 16 refineries and over 3 million barrels per day of refining capacity. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. Marathon Petroleum Corporation has long-established core values associated with safety and environmental stewardship, integrity, respect, inclusion, and collaboration.