Marathon Petroleum Corporation (MPC) is a large scale, geographically-diversified and highly-integrated refining, marketing and midstream company. MPC is the nation’s largest refiner, with a crude oil refining capacity of more than 3 million barrels per calendar day in its 16-refinery system. MPC’s high-quality, nationwide retail and marketing business includes approximately 3,900 company owned and -operated stores and 7,800 branded locations. MPC owns the general partners of MPLX LP and Andeavor Logistics LP, two strong, customer-focused midstream
master limited partnerships.
We strive to always act responsibly with those who work for us, with those business partners who work with us, and in every community where we operate. As such, several core principles guide our approach to doing business, including: Health and Safety, Environmental Stewardship, Integrity, Corporate Citizenship and Diversity and Inclusion.