ExxonMobil vs Marathon Petroleum
Side-by-side comparison of AI visibility scores, market position, and capabilities
Spring TX integrated oil and gas (NYSE: XOM) at $33.7B 2024 earnings, $339B revenue; Pioneer $60B acquisition doubles Permian to 1.3M BOE/day, $36B shareholder return, competing with Chevron and Shell.
About
ExxonMobil Corporation is a Spring, Texas-based integrated oil, gas, and energy company — publicly traded on the New York Stock Exchange (NYSE: XOM) as an S&P 500 Energy component and one of the world's largest publicly traded companies by market capitalization — exploring, producing, refining, and marketing oil, natural gas, and petroleum products while advancing low-carbon technologies through approximately 62,000 employees worldwide. In fiscal year 2024, ExxonMobil reported earnings of $33.7 billion ($7.84 per diluted share), revenue of $339.24 billion, operating cash flow of $55.0 billion, free cash flow of $34.4 billion, and returned $36.0 billion to shareholders through dividends and share repurchases. ExxonMobil completed the landmark acquisition of Pioneer Natural Resources in May 2024 for approximately $60 billion — the largest acquisition in the company's history since the 1998 Exxon-Mobil merger — making ExxonMobil the dominant operator in the Permian Basin (West Texas/New Mexico), the most productive oil basin in the US with the lowest breakeven production costs globally. The Pioneer acquisition added 1.3 million acres in the Midland Basin, doubling ExxonMobil's Permian production capacity to 1.3 million barrels of oil equivalent per day by 2027. CEO Darren Woods has led ExxonMobil since 2017 through the COVID oil price collapse, the industry recovery, and the Pioneer acquisition that repositioned ExxonMobil as the premier Permian Basin operator.
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.
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