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 calendar day
(bpcd) of crude oil capacity across 16 refineries. MPC’s marketing system includes
branded locations across the United States, including Marathon branded outlets.
Speedway LLC, an MPC subsidiary, owns and operates retail convenience stores
across the United States. MPC also owns the general partner and majority limited
partner interest in MPLX LP, a midstream company which owns and operates
gathering, processing, and fractionation assets, as well as crude oil and light
product transportation and logistics infrastructure.