MPC is an integrated company for processing and marketing (downstream) as well as transportation and storage (midstream). Its segments are called Refining & Marketing, Midstream and Renewable Diesel. The refineries on the Gulf Coast, the West Coast and in the Mid-Continent region produce fuels such as gasoline as well as heavy fuel oil and asphalt. Customers are independent retailers, wholesale customers, distributors with stations mainly under the Marathon brand and direct dealers whose sites mostly carry the ARCO brand. The Midstream area, with the MPLX partnership, operates pipelines, terminals, towboats and barges as well as gas processing and NGL fractionation facilities. The group produces renewable diesel at its own plant in Dickinson, North Dakota, and through a joint venture with Neste in Martinez.
Automatically summarized from SEC annual report (10-K, filed Feb 26, 2026) (website of the US Securities and Exchange Commission) · reviewed Oct 14, 2026