World Top 100 Oil and Gas Companies List by Market Cap as of August 2026

World Top 100 Oil and Gas Companies List by Market Cap as of August 2026, World Biggest 100 Oil and Gas Companies by Market Cap, World Largest 100 Oil and Gas Companies in the World by market cap as of August 2026.

World Top Oil and Gas Companies in 2026
World Top Oil and Gas Companies by Market Cap in 2026, World Largest Oil and Gas Companies by Market Cap in 2026.

  1. Sinopec Oilfield Equipment Corporation

    World Rank (Aug-2026)
    8,762
    Market Cap (Aug-2026)
    1.116 Billion USD
    World Rank (Jan-05-2024)
    9,308
    Market Cap (Jan-05-2024)
    0.874 Billion USD
    World Rank (Jul-30-2023)
    8,605
    Market Cap (Jul-30-2023)
    1.025 Billion USD
    World Rank (Dec-25-2022)
    9,745
    Market Cap (Dec-25-2022)
    0.777 Billion USD
    World Rank (Jan-07-2022)
    10,221
    Market Cap (Jan-07-2022)
    0.87 Billion USD
    Headquarters Country
    China
    Yahoo @ Shenzhen
    Company Profile
    Sinopec Oilfield Service Corporation (SSC) is a integrated petroleum engineering and technology service provider in China.
    Company Website
    SINOPEC OILFIELD EQUIPMENT CORPORATION

  2. Teekay Corporation

    World Rank (Aug-2026)
    8,886
    Market Cap (Aug-2026)
    1.082 Billion USD
    World Rank (Jan-05-2024)
    10,635
    Market Cap (Jan-05-2024)
    0.692 Billion USD
    World Rank (Jul-30-2023)
    11,445
    Market Cap (Jul-30-2023)
    0.614 Billion USD
    World Rank (Dec-25-2022)
    12,956
    Market Cap (Dec-25-2022)
    0.460 Billion USD
    World Rank (Jan-07-2022)
    15,995
    Market Cap (Jan-07-2022)
    0.34 Billion USD
    Headquarters Country
    Canada
    Yahoo @ Frankfurt
    Company Profile
    Oil and Gas Midstream company with headquarters is in Canada.
    Company Website
    TEEKAY CORPORATION
    Wikipedia
    Wikipedia

  3. Sabine Royalty Trust

    World Rank (Aug-2026)
    8,965
    Market Cap (Aug-2026)
    1.063 Billion USD
    World Rank (Jan-05-2024)
    8,517
    Market Cap (Jan-05-2024)
    1.011 Billion USD
    World Rank (Jul-30-2023)
    8,902
    Market Cap (Jul-30-2023)
    0.966 Billion USD
    World Rank (Dec-25-2022)
    7,522
    Market Cap (Dec-25-2022)
    1.202 Billion USD
    World Rank (Jan-07-2022)
    11,550
    Market Cap (Jan-07-2022)
    0.69 Billion USD
    Annual Revenue in USD
    125 Million USD
    Annual Operating Income in USD
    122 Million USD
    Annual Net Income in USD
    122 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Website
    SABINE ROYALTY TRUST

  4. Organizacion Terpel S.A.

    World Rank (Aug-2026)
    9,012
    Market Cap (Aug-2026)
    1.051 Billion USD
    World Rank (Jan-05-2024)
    14,518
    Market Cap (Jan-05-2024)
    0.367 Billion USD
    World Rank (Jul-30-2023)
    15,090
    Market Cap (Jul-30-2023)
    0.343 Billion USD
    World Rank (Dec-25-2022)
    15,537
    Market Cap (Dec-25-2022)
    0.308 Billion USD
    Headquarters Country
    Colombia
    Company Website
    ORGANIZACION TERPEL S.A.

  5. Esso (Thailand) Public Company

    World Rank (Aug-2026)
    9,025
    World Rank (Jan-05-2024)
    9,025
    World Rank (Jul-30-2023)
    9,025
    Market Cap (Jul-30-2023)
    0.945 Billion USD
    World Rank (Dec-25-2022)
    7,591
    Market Cap (Dec-25-2022)
    1.183 Billion USD
    World Rank (Jan-07-2022)
    10,890
    Market Cap (Jan-07-2022)
    0.77 Billion USD
    Annual Revenue in USD
    4,626 Million USD
    Annual Net Income in USD
    123 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Thailand
    Company Website
    ESSO (THAILAND) PUBLIC COMPANY

  6. Diversified Energy Company PLC

    World Rank (Aug-2026)
    9,091
    Market Cap (Aug-2026)
    1.038 Billion USD
    World Rank (Jan-05-2024)
    10,223
    Market Cap (Jan-05-2024)
    0.741 Billion USD
    World Rank (Jul-30-2023)
    8,008
    Market Cap (Jul-30-2023)
    1.158 Billion USD
    World Rank (Dec-25-2022)
    7,564
    Market Cap (Dec-25-2022)
    1.191 Billion USD
    World Rank (Jan-07-2022)
    8,291
    Market Cap (Jan-07-2022)
    1.25 Billion USD
    Annual Revenue in USD
    1,829 Million USD
    Annual Operating Income in USD
    535 Million USD
    Annual Net Income in USD
    341 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Company Profile

    Diversified Energy Company is an independent owner and operator of producing natural gas and oil company in multiple regions of the United States. The headquarters is in USA.

    Facts About Company

    Diversified Energy Company Annual Total Revenue for year ending Dec-2022 was 1,919 million USD and and Net loss for year ending Dec-2022 was -625 million USD.

    Diversified Energy Company Annual Total Revenue for year ending Dec-2021 was 1,007 million USD and and Net loss for year ending Dec-2021 was -325 million USD.

    Company Website
    DIVERSIFIED ENERGY COMPANY PLC

  7. Kelt Exploration

    World Rank (Aug-2026)
    9,361
    Market Cap (Aug-2026)
    0.976 Billion USD
    World Rank (Jan-05-2024)
    9,427
    Market Cap (Jan-05-2024)
    0.856 Billion USD
    World Rank (Jul-30-2023)
    9,250
    Market Cap (Jul-30-2023)
    0.905 Billion USD
    World Rank (Dec-25-2022)
    10,167
    Market Cap (Dec-25-2022)
    0.723 Billion USD
    World Rank (Jan-07-2022)
    11,012
    Market Cap (Jan-07-2022)
    0.76 Billion USD
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile
    Oil and Gas exploration and producing company. Headquarters is in Calgary, Canada.
    Company Website
    KELT EXPLORATION

  8. Denbury Resources

    World Rank (Aug-2026)
    9,362
    World Rank (Jan-05-2024)
    9,362
    World Rank (Jul-30-2023)
    9,362
    World Rank (Dec-25-2022)
    9,362
    World Rank (Jan-07-2022)
    9,362
    Annual Revenue in USD
    1,704 Million USD
    Annual Net Income in USD
    480 Million USD
    Annual Results for Period Ending
    For year ending December-2022
    Headquarters Country
    USA
    Company Profile
    Denbury Resources is an Independent Oil and Natural Gas company. The headquarters is in USA.
    Company Website
    DENBURY RESOURCES
    Wikipedia
    Wikipedia

  9. Forum Energy Technologies

    World Rank (Aug-2026)
    9,435
    Market Cap (Aug-2026)
    0.960 Billion USD
    World Rank (Jan-05-2024)
    17,148
    Market Cap (Jan-05-2024)
    0.231 Billion USD
    World Rank (Jul-30-2023)
    16,366
    Market Cap (Jul-30-2023)
    0.274 Billion USD
    World Rank (Dec-25-2022)
    18,617
    Market Cap (Dec-25-2022)
    0.179 Billion USD
    World Rank (Jan-07-2022)
    22,887
    Market Cap (Jan-07-2022)
    0.10 Billion USD
    Annual Revenue in USD
    791 Million USD
    Annual Operating Income in USD
    30 Million USD
    Annual Net Income in USD
    -10 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Website
    FORUM ENERGY TECHNOLOGIES
    Wikipedia
    Wikipedia

  10. Tullow Oil

    World Rank (Aug-2026)
    9,459
    Market Cap (Aug-2026)
    0.956 Billion USD
    World Rank (Jan-05-2024)
    10,422
    Market Cap (Jan-05-2024)
    0.716 Billion USD
    World Rank (Jul-30-2023)
    11,408
    Market Cap (Jul-30-2023)
    0.619 Billion USD
    World Rank (Dec-25-2022)
    10,698
    Market Cap (Dec-25-2022)
    0.659 Billion USD
    World Rank (Jan-07-2022)
    9,453
    Market Cap (Jan-07-2022)
    1.00 Billion USD
    Annual Revenue in USD
    1,783 Million USD
    Annual Operating Income in USD
    1,037 Million USD
    Annual Net Income in USD
    49 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Profile
    Tullow Oil is a Oil and Gas Exploration and Production company. The company has interests in over 70 exploration and production licences across 15 countries as per2019 and annual sales revenue is $1.7 billion. The company by the ended 2019 with average production of 86,700 bopd and free cash flow generation of c.$350 million. The headquarters is in UK.
    Company Website
    TULLOW OIL

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