Marathon Petroleum vs ConocoPhillips
Side-by-side comparison of AI visibility scores, market position, and capabilities
Findlay OH petroleum refining (NYSE: MPC); largest US refiner 3M barrels/day, CEO Maryann Mannen elected Chairman (Jan 2026), MPLX midstream MLP, Martinez renewable diesel conversion competing with Valero and Phillips 66.
About
Marathon Petroleum Corporation is a Findlay, Ohio-based petroleum refining and midstream company — publicly traded on the New York Stock Exchange (NYSE: MPC) as an S&P 500 Energy component — operating the largest crude oil refining system in the United States with 13 refineries and approximately 3 million barrels per day of crude oil processing capacity across Texas, Louisiana, Illinois, Michigan, Ohio, North Dakota, California, and Washington, along with a majority ownership interest in MPLX LP (NYSE: MPLX), a midstream pipeline, terminal, and marine vessel MLP that gathers, processes, transports, and stores crude oil, natural gas, and petroleum products. In a defining leadership development, Marathon Petroleum's board elected CEO Maryann T. Mannen as Chairman of the Board effective January 1, 2026, succeeding Michael Hennigan who retired after leading the company through the Speedway divestiture and pandemic recovery — consolidating corporate governance leadership in Mannen following her tenure as CEO during which she managed the company's operations and capital allocation strategy. Marathon Petroleum's large-scale refining system (including the Galveston Bay refinery in Texas City as the largest US refinery at 631,000 barrels/day) processes crude oil into gasoline, diesel, jet fuel, and specialty products distributed through branded Speedway (sold to 7-Eleven in 2021) and independent dealer networks and MPLX's logistics infrastructure.
Largest independent E&P with 2M BOE/day; $22.5B Marathon Oil acquisition 2024; $40/bbl breakeven portfolio; LNG optionality through APLNG and Port Arthur; NYSE: COP.
About
ConocoPhillips is one of the world's largest independent exploration and production companies, tracing its roots to Continental Oil Company (Conoco) founded in 1875 and Phillips Petroleum founded in 1905, merging to form ConocoPhillips in 2002. Headquartered in Houston, Texas and trading on NYSE (COP), the company generated approximately $55.2 billion in total revenues for FY2024 and produces roughly 2.0 million barrels of oil equivalent per day across its diversified global portfolio. Under CEO Ryan Lance, ConocoPhillips completed the transformational acquisition of Marathon Oil in November 2024 for approximately $22.5 billion, adding significant Permian Basin, Eagle Ford, and Bakken acreage and reinforcing COP's position as the dominant large-cap independent E&P.
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