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. Equital

    World Rank (Aug-2026)
    7,662
    Market Cap (Aug-2026)
    1.424 Billion USD
    World Rank (Jan-05-2024)
    7,893
    Market Cap (Jan-05-2024)
    1.156 Billion USD
    World Rank (Jul-30-2023)
    8,613
    Market Cap (Jul-30-2023)
    1.023 Billion USD
    World Rank (Dec-25-2022)
    8,138
    Market Cap (Dec-25-2022)
    1.051 Billion USD
    World Rank (Jan-07-2022)
    7,436
    Market Cap (Jan-07-2022)
    1.50 Billion USD
    Annual Revenue in USD
    671 Million USD
    Annual Net Income in USD
    269 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Israel
    Yahoo @ Israel

  2. RPC Inc.

    World Rank (Aug-2026)
    7,710
    Market Cap (Aug-2026)
    1.410 Billion USD
    World Rank (Jan-05-2024)
    6,592
    Market Cap (Jan-05-2024)
    1.572 Billion USD
    World Rank (Jul-30-2023)
    6,216
    Market Cap (Jul-30-2023)
    1.761 Billion USD
    World Rank (Dec-25-2022)
    5,601
    Market Cap (Dec-25-2022)
    1.904 Billion USD
    World Rank (Jan-07-2022)
    8,388
    Market Cap (Jan-07-2022)
    1.23 Billion USD
    Annual Revenue in USD
    1,627 Million USD
    Annual Operating Income in USD
    45 Million USD
    Annual Net Income in USD
    32 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile
    RPC provides oil field services equipment. The headquarters is in USA.
    Company Website
    RPC INC

  3. Gaslog

    World Rank (Aug-2026)
    7,711
    Market Cap (Aug-2026)
    1.410 Billion USD
    World Rank (Jan-05-2024)
    7,032
    Market Cap (Jan-05-2024)
    1.411 Billion USD
    World Rank (Jul-30-2023)
    7,361
    Market Cap (Jul-30-2023)
    1.335 Billion USD
    World Rank (Dec-25-2022)
    6,944
    Market Cap (Dec-25-2022)
    1.370 Billion USD
    World Rank (Jan-07-2022)
    7,805
    Market Cap (Jan-07-2022)
    1.38 Billion USD
    Headquarters Country
    Greece
    Yahoo @ NYSE
    Company Profile

    GasLog is a provider of LNG shipping services company. The headquarters is in Greece.

    Facts About Company

    GasLog company annual revenue was 915 million USD, annual operating income is 467 million USD for year ending Dec-2022..

    Company Website
    GASLOG LP.

  4. Dril-Quip

    World Rank (Aug-2026)
    7,741
    Market Cap (Aug-2026)
    1.400 Billion USD
    World Rank (Jan-05-2024)
    9,995
    Market Cap (Jan-05-2024)
    0.769 Billion USD
    World Rank (Jul-30-2023)
    9,492
    Market Cap (Jul-30-2023)
    0.864 Billion USD
    World Rank (Dec-25-2022)
    8,834
    Market Cap (Dec-25-2022)
    0.914 Billion USD
    World Rank (Jan-07-2022)
    10,660
    Market Cap (Jan-07-2022)
    0.80 Billion USD
    Annual Revenue in USD
    978 Million USD
    Annual Operating Income in USD
    133 Million USD
    Annual Net Income in USD
    83 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Dril-Quip, Inc. is a manufacturers of offshore drilling and production equipment that is well suited for use in deepwater applications.

    The Company designs and manufactures subsea, surface and offshoring equipment for use by oil and gas companies and drilling contractors in offshore areas throughout the world.

    Dril-Quip also provides technical advisory services, reconditioning services and running tools for use in connection with the installation and retrieval of its products.

    Company Website
    DRIL-QUIP INC

  5. Serica Energy

    World Rank (Aug-2026)
    7,761
    Market Cap (Aug-2026)
    1.392 Billion USD
    World Rank (Jan-05-2024)
    7,950
    Market Cap (Jan-05-2024)
    1.138 Billion USD
    World Rank (Jul-30-2023)
    8,260
    Market Cap (Jul-30-2023)
    1.103 Billion USD
    World Rank (Dec-25-2022)
    9,214
    Market Cap (Dec-25-2022)
    0.854 Billion USD
    World Rank (Jan-07-2022)
    10,104
    Market Cap (Jan-07-2022)
    0.89 Billion USD
    Headquarters Country
    UK
    Yahoo @ Frankfurt
    Company Website
    SERICA ENERGY

  6. William Lyon Homes

    World Rank (Aug-2026)
    7,811
    World Rank (Jan-05-2024)
    7,811
    World Rank (Jul-30-2023)
    7,811
    Market Cap (Jul-30-2023)
    1.210 Billion USD
    World Rank (Dec-25-2022)
    8,194
    Market Cap (Dec-25-2022)
    1.037 Billion USD
    Annual Revenue in USD
    2,087 Million USD
    Annual Operating Income in USD
    139 Million USD
    Annual Net Income in USD
    92 Million USD
    Annual Results for Period Ending
    For year ending December-2018
    Headquarters Country
    USA
    Company Profile
    Construction and Real estate company with headquarters is in California, USA.
    Company Website
    WILLIAM LYON HOMES

  7. Borr Drilling

    World Rank (Aug-2026)
    7,862
    Market Cap (Aug-2026)
    1.363 Billion USD
    World Rank (Jan-05-2024)
    6,013
    Market Cap (Jan-05-2024)
    1.823 Billion USD
    World Rank (Jul-30-2023)
    5,638
    Market Cap (Jul-30-2023)
    2.049 Billion USD
    World Rank (Dec-25-2022)
    7,819
    Market Cap (Dec-25-2022)
    1.124 Billion USD
    World Rank (Jan-07-2022)
    7,833
    Headquarters Country
    Bermuda
    Company Profile

    Drilling operations company related to Oil and Gas sector. Headquarters is in Bermuda.

    Company Website
    BORR DRILLING

  8. Dorchester Minerals

    World Rank (Aug-2026)
    7,870
    Market Cap (Aug-2026)
    1.360 Billion USD
    World Rank (Jan-05-2024)
    7,487
    Market Cap (Jan-05-2024)
    1.267 Billion USD
    World Rank (Jul-30-2023)
    7,918
    Market Cap (Jul-30-2023)
    1.182 Billion USD
    World Rank (Dec-25-2022)
    7,713
    Market Cap (Dec-25-2022)
    1.150 Billion USD
    World Rank (Jan-07-2022)
    10,780
    Market Cap (Jan-07-2022)
    0.79 Billion USD
    Annual Revenue in USD
    153 Million USD
    Annual Net Income in USD
    57 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ Nasdaq
    Company Website
    DORCHESTER MINERALS

  9. Navigator Holdings

    World Rank (Aug-2026)
    7,871
    Market Cap (Aug-2026)
    1.360 Billion USD
    World Rank (Jan-05-2024)
    7,828
    Market Cap (Jan-05-2024)
    1.170 Billion USD
    World Rank (Jul-30-2023)
    8,748
    Market Cap (Jul-30-2023)
    0.998 Billion USD
    World Rank (Dec-25-2022)
    8,918
    Market Cap (Dec-25-2022)
    0.902 Billion USD
    World Rank (Jan-07-2022)
    11,529
    Market Cap (Jan-07-2022)
    0.69 Billion USD
    Annual Revenue in USD
    478 Million USD
    Annual Net Income in USD
    -35 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    UK
    Yahoo @ Frankfurt
    Company Profile

    Navigator Holdings provides Transportation services to transport Liquefied Petroleum Gas, Petrochemical Gases and Ammonia company. It provide an efficient and reliable floating pipe line connecting producers and end users, seek to build strong, long term partnerships with clients based on mutual trust, deep technical expertise and modern, versatile fleet. The headquarters is in UK.

    Company Website
    NAVIGATOR HOLDINGS

  10. Capital Product Partners L.P.

    World Rank (Aug-2026)
    7,873
    Market Cap (Aug-2026)
    1.360 Billion USD
    World Rank (Jan-05-2024)
    9,442
    Market Cap (Jan-05-2024)
    0.853 Billion USD
    World Rank (Jul-30-2023)
    15,570
    Market Cap (Jul-30-2023)
    0.315 Billion USD
    World Rank (Dec-25-2022)
    16,120
    Market Cap (Dec-25-2022)
    0.282 Billion USD
    Headquarters Country
    Greece

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