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. Cardinal Energy

    World Rank (Aug-2026)
    8,327
    Market Cap (Aug-2026)
    1.229 Billion USD
    World Rank (Jan-05-2024)
    10,152
    Market Cap (Jan-05-2024)
    0.750 Billion USD
    World Rank (Jul-30-2023)
    9,464
    Market Cap (Jul-30-2023)
    0.867 Billion USD
    World Rank (Dec-25-2022)
    9,061
    Market Cap (Dec-25-2022)
    0.877 Billion USD
    World Rank (Jan-07-2022)
    12,933
    Market Cap (Jan-07-2022)
    0.55 Billion USD
    Headquarters Country
    Canada
    Yahoo @ Frankfurt
    Company Website
    CARDINAL ENERGY

  2. Africa Oil

    World Rank (Aug-2026)
    8,378
    World Rank (Jan-05-2024)
    8,378
    World Rank (Jul-30-2023)
    8,378
    Market Cap (Jul-30-2023)
    1.077 Billion USD
    World Rank (Dec-25-2022)
    9,256
    Market Cap (Dec-25-2022)
    0.850 Billion USD
    World Rank (Jan-07-2022)
    11,606
    Market Cap (Jan-07-2022)
    0.68 Billion USD
    Annual Revenue in USD
    0 Million USD
    Annual Net Income in USD
    190 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Canada
    Company Website
    AFRICA OIL

  3. Sinopec Kantons Holdings

    World Rank (Aug-2026)
    8,428
    Market Cap (Aug-2026)
    1.194 Billion USD
    World Rank (Jan-05-2024)
    8,320
    Market Cap (Jan-05-2024)
    1.057 Billion USD
    World Rank (Jul-30-2023)
    8,932
    Market Cap (Jul-30-2023)
    0.960 Billion USD
    World Rank (Dec-25-2022)
    9,048
    Market Cap (Dec-25-2022)
    0.879 Billion USD
    World Rank (Jan-07-2022)
    9,389
    Market Cap (Jan-07-2022)
    1.01 Billion USD
    Annual Revenue in USD
    81 Million USD
    Annual Net Income in USD
    134 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Hong Kong
    Yahoo @ HongKong
    Company Profile
    Sinopec Kantons Holdings is a storage and logistics company focused on crude oil loading and unloading, storage and transportation facilities and LNG shipping. The company annual revenue is 636 million HKD and annual net income is 1,050 million HKD for year ending December 2021. The headquarters is in Hong Kong.
    Company Website
    SINOPEC KANTONS HOLDINGS

  4. Shenzhen Guangju Energy

    World Rank (Aug-2026)
    8,451
    Market Cap (Aug-2026)
    1.190 Billion USD
    World Rank (Jan-05-2024)
    9,353
    Market Cap (Jan-05-2024)
    0.865 Billion USD
    World Rank (Jul-30-2023)
    11,259
    Market Cap (Jul-30-2023)
    0.634 Billion USD
    World Rank (Dec-25-2022)
    11,298
    Market Cap (Dec-25-2022)
    0.597 Billion USD
    World Rank (Jan-07-2022)
    11,073
    Market Cap (Jan-07-2022)
    0.75 Billion USD
    Headquarters Country
    China
    Yahoo @ Shenzhen
    Company Website
    SHENZHEN GUANGJU ENERGY

  5. Suzhou Douson Drilling & Production Equipment

    World Rank (Aug-2026)
    8,467
    Market Cap (Aug-2026)
    1.190 Billion USD
    World Rank (Jan-05-2024)
    10,136
    Market Cap (Jan-05-2024)
    0.751 Billion USD
    World Rank (Jul-30-2023)
    9,305
    Market Cap (Jul-30-2023)
    0.897 Billion USD
    World Rank (Dec-25-2022)
    9,833
    Market Cap (Dec-25-2022)
    0.766 Billion USD
    World Rank (Jan-07-2022)
    11,713
    Market Cap (Jan-07-2022)
    0.67 Billion USD
    Headquarters Country
    China
    Company Website
    SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT

  6. Oasis Midstream Partners Lp

    World Rank (Aug-2026)
    8,469
    World Rank (Jan-05-2024)
    8,469
    World Rank (Jul-30-2023)
    8,469
    World Rank (Dec-25-2022)
    8,469
    World Rank (Jan-07-2022)
    8,469
    Market Cap (Jan-07-2022)
    1.21 Billion USD
    Annual Revenue in USD
    348 Million USD
    Annual Operating Income in USD
    79 Million USD
    Annual Net Income in USD
    23 Million USD
    Annual Results for Period Ending
    For year ending December-2020
    Headquarters Country
    USA
    Company Profile
    Oasis Midstream Partners LP own, develop, operate and acquire a diversified portfolio of midstream assets in North America that are integral to the Oil and Natural Gas company. The headquarters is in USA.
    Facts About Company
    The company annual net income is 55.3 million USD, annual revenue is 166.4 million USD and 105 employees as on 2020.
    Company Website
    OASIS MIDSTREAM PARTNERS LP

  7. Shaanxi Provincial Natural Gas Co. Ltd

    World Rank (Aug-2026)
    8,532
    Market Cap (Aug-2026)
    1.177 Billion USD
    World Rank (Jan-05-2024)
    7,802
    Market Cap (Jan-05-2024)
    1.178 Billion USD
    World Rank (Jul-30-2023)
    7,727
    Market Cap (Jul-30-2023)
    1.229 Billion USD
    World Rank (Dec-25-2022)
    7,914
    Market Cap (Dec-25-2022)
    1.103 Billion USD
    World Rank (Jan-07-2022)
    8,166
    Market Cap (Jan-07-2022)
    1.28 Billion USD
    Headquarters Country
    China
    Yahoo @ Shenzhen
    Company Website
    SHAANXI PROVINCIAL NATURAL GAS CO.LTD

  8. Fugro

    World Rank (Aug-2026)
    8,556
    Market Cap (Aug-2026)
    1.168 Billion USD
    World Rank (Jan-05-2024)
    5,529
    Market Cap (Jan-05-2024)
    2.088 Billion USD
    World Rank (Jul-30-2023)
    5,878
    Market Cap (Jul-30-2023)
    1.936 Billion USD
    World Rank (Dec-25-2022)
    6,960
    Market Cap (Dec-25-2022)
    1.366 Billion USD
    World Rank (Jan-07-2022)
    10,383
    Market Cap (Jan-07-2022)
    0.84 Billion USD
    Headquarters Country
    Netherlands
    Yahoo @ Amsterdam
    Company Profile

    Fugro provides oil field services and equipment, information with headquarters is in Netherlands.

    Company Website
    Fugro

  9. Schoeller-Bleckmann Oilfield Equipment

    World Rank (Aug-2026)
    8,558
    Market Cap (Aug-2026)
    1.168 Billion USD
    World Rank (Jan-05-2024)
    10,062
    Market Cap (Jan-05-2024)
    0.760 Billion USD
    World Rank (Jul-30-2023)
    9,035
    Market Cap (Jul-30-2023)
    0.944 Billion USD
    World Rank (Dec-25-2022)
    8,298
    Market Cap (Dec-25-2022)
    1.014 Billion USD
    World Rank (Jan-07-2022)
    12,148
    Market Cap (Jan-07-2022)
    0.62 Billion USD
    Headquarters Country
    Austria
    Yahoo @ Germany
    Company Profile

    SCHOELLER-BLECKMANN OILFIELD EQUIPMENT is Oil field equipment manufacturing and engineering company with headquarters is in Austria.

    Company Website
    SCHOELLER-BLECKMANN OILFIELD EQUIPMENT
    Wikipedia
    Wikipedia

  10. Seacor Holdings

    World Rank (Aug-2026)
    8,673
    World Rank (Jan-05-2024)
    8,673
    World Rank (Jul-30-2023)
    8,673
    World Rank (Dec-25-2022)
    8,673
    World Rank (Jan-07-2022)
    8,673
    Annual Revenue in USD
    754 Million USD
    Annual Operating Income in USD
    33 Million USD
    Annual Net Income in USD
    23 Million USD
    Annual Results for Period Ending
    For year ending December-2020
    Headquarters Country
    USA
    Company Profile
    SEACOR Holdings provides Transportation and Logistics Services to support a wide range of Business Sectors company. It also have interests in crisis and emergency management services and clean fuel and power solutions. The company annual revenue is 13.7 million USD and 2,518 employees as on 2020. The headquarters is in USA.
    Company Website
    SEACOR HOLDINGS

Share