About Us

Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand and ARCO retail outlets. 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. More information is available at www.marathonpetroleum.com.