Largest Oil & Gas companies in the world by Market Capitalization

This ranking features the largest 746 Oil & Gas companies in the world ranked by Market Capitalization, totaling a Market Capitalization of USD 8.01 T, for June 17, 2025.

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Frequently Asked Questions
  • Which Oil & Gas company in the world has the highest Market Capitalization ?

    The Oil & Gas company in the world with the highest Market Capitalization is Saudi Arabian Oil Company (Saudi Stock Exchange: 2222.SR) at USD 1.61 T.

  • Which Oil & Gas company in the world has the lowest Market Capitalization ?

    The Oil & Gas company in the world with the lowest Market Capitalization is Babcock & Wilcox Enterprises, I (NYSE: BWNB) at None.