Findlay, Ohio-based Marathon Petroleum Corporation (MPC) is an integrated downstream energy company that manufactures, transports, and markets an extensive array of transportation fuels, industrial commodities, and energy logistics services across the nation. Valued at a market cap of $78 billion, the company’s core products and services encompass the large-scale refining of gasoline, high-quality diesel, jet fuel, and liquefied petroleum gases.
Companies valued at $10 billion or more are typically classified as “large-cap stocks,” and MPC fits the label perfectly, with its market cap exceeding this threshold, underscoring its size, influence, and dominance within the oil & gas refining & marketing industry. The company's strength lies in its massive refining footprint, managing approximately 3 million barrels of crude oil per calendar day across 13 strategically located refineries to command roughly 15% of the total U.S. refining market.
