Marathon Petroleum Corp. (MPC)

Marathon Petroleum Corp. is an integrated downstream and midstream energy company headquartered in Findlay, Ohio. Marathon Petroleum Corp. operates a large refining network that processes crude oil into transportation fuels and other petroleum products, while also handling storage, transportation, and marketing activities that move those products through the supply chain. Its business includes branded retail and wholesale fuel distribution across the United States, as well as ownership interests in MPLX LP, which supports gathering, processing, fractionation, and logistics infrastructure for crude oil and light products. The company also participates in renewable diesel operations, adding another segment to its broader energy portfolio. Marathon Petroleum Corp. plays a central role in U.S. fuel supply and energy logistics through its refining, marketing, and midstream capabilities.