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. Ithaca Energy PLC

    World Rank (Aug-2026)
    3,135
    Market Cap (Aug-2026)
    6.153 Billion USD
    World Rank (Jan-05-2024)
    5,969
    Market Cap (Jan-05-2024)
    1.853 Billion USD
    World Rank (Jul-30-2023)
    5,512
    Market Cap (Jul-30-2023)
    2.126 Billion USD
    World Rank (Dec-25-2022)
    4,937
    Market Cap (Dec-25-2022)
    2.316 Billion USD
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Profile

    Ithaca Energy PLC is a Oil and Gas exploration and producing company, Headquarters is in UK.

    Company Website
    ITHACA ENERGY PLC

  2. Saudi Aramco Base Oil Company - Luberef

    World Rank (Aug-2026)
    3,145
    Market Cap (Aug-2026)
    6.140 Billion USD
    World Rank (Jan-05-2024)
    2,341
    Market Cap (Jan-05-2024)
    6.615 Billion USD
    Headquarters Country
    Saudi Arabia
    Yahoo @ Saudi Arabia
    Company Profile

    Saudi Aramco Base Oil Company - Luberef is oil producing company operating from two facilities on the West coast of Saudi Arabia. Headquarters is in Saudi Arabia.

    At Luberef, they produce various Group I and Group II Base Oils, and also produce various by-products such as asphalt, marine heavy fuel oil (MHFO), slack wax, extract and sulfur as well as white products such as ultra-low sulfur diesel (ULSD), naphtha and drilling fluid.

    Company Website
    Saudi Aramco Base Oil Company - Luberef

  3. WPX Energy

    World Rank (Aug-2026)
    3,158
    World Rank (Jan-05-2024)
    3,158
    World Rank (Jul-30-2023)
    3,158
    World Rank (Dec-25-2022)
    3,158
    World Rank (Jan-07-2022)
    3,158
    Annual Revenue in USD
    2,292 Million USD
    Annual Operating Income in USD
    144 Million USD
    Annual Net Income in USD
    256 Million USD
    Annual Results for Period Ending
    For year ending December-2019
    Headquarters Country
    USA
    Company Profile

    WPX ENERGY is Oil and Gas Exploration company with headquarters is in Oklahoma, USA.

    Company Website
    WPX ENERGY INC
    Wikipedia
    Wikipedia

  4. Archrock

    World Rank (Aug-2026)
    3,166
    Market Cap (Aug-2026)
    6.082 Billion USD
    World Rank (Jan-05-2024)
    5,107
    Market Cap (Jan-05-2024)
    2.378 Billion USD
    World Rank (Jul-30-2023)
    6,127
    Market Cap (Jul-30-2023)
    1.805 Billion USD
    World Rank (Dec-25-2022)
    7,038
    Market Cap (Dec-25-2022)
    1.344 Billion USD
    World Rank (Jan-07-2022)
    8,252
    Market Cap (Jan-07-2022)
    1.26 Billion USD
    Annual Revenue in USD
    1,490 Million USD
    Annual Net Income in USD
    322 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile
    Archrock is a Provider of Midstream Natural Gas Contract Compression Services and Energy Infrastructure company. It is specializing in superior compression services, unmatched technical expertise and an unwavering commitment to safety and provide consistent, reliable compression and affiliated services to production companies and midstream applications all across the U.S. The headquarters is in USA.
    Company Website
    ARCHROCK INC

  5. CNOOC Energy Technology & Services

    World Rank (Aug-2026)
    3,176
    Market Cap (Aug-2026)
    6.050 Billion USD
    World Rank (Jan-05-2024)
    3,397
    Market Cap (Jan-05-2024)
    4.155 Billion USD
    World Rank (Jul-30-2023)
    3,156
    World Rank (Dec-25-2022)
    3,156
    Market Cap (Dec-25-2022)
    4.205 Billion USD
    World Rank (Jan-07-2022)
    3,424
    Market Cap (Jan-07-2022)
    4.75 Billion USD
    Annual Revenue in USD
    5,637 Million USD
    Annual Net Income in USD
    187 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ Shanghai
    Company Profile

    CNOOC ENERGY TECHNOLOGY & SERVICES is the offshore oil and gas producer company. The company main business covers oil & gas exploration and development, professional technical services, refining product sales and fertilizers, natural gas production and power generation, and financial services, as well as new energy business like offshore wind power. The headquarters is in China.

    Company Website
    CNOOC ENERGY TECHNOLOGY & SERVICES

  6. Technip Energies N.V.

    World Rank (Aug-2026)
    3,205
    Market Cap (Aug-2026)
    5.984 Billion USD
    World Rank (Jan-05-2024)
    3,408
    Market Cap (Jan-05-2024)
    4.145 Billion USD
    World Rank (Jul-30-2023)
    3,489
    Market Cap (Jul-30-2023)
    4.065 Billion USD
    World Rank (Dec-25-2022)
    4,266
    Market Cap (Dec-25-2022)
    2.835 Billion USD
    World Rank (Jan-07-2022)
    5,270
    Market Cap (Jan-07-2022)
    2.67 Billion USD
    Annual Revenue in USD
    6,926 Million USD
    Annual Operating Income in USD
    559 Million USD
    Annual Net Income in USD
    331 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    France
    Company Profile
    Technip Energies N.V. is a energy transition company focused on creating value through strategic partnerships and technology development. The company annual revenue is 5,748 million EUR, annual net income is 206.8 million EUR and total assets are 7,873.9 million EUR as on 2020. The headquarters is in France.
    Company Website
    TECHNIP ENERGIES N.V.

  7. Valaris Limited

    World Rank (Aug-2026)
    3,218
    Market Cap (Aug-2026)
    5.945 Billion USD
    World Rank (Jan-05-2024)
    2,909
    Market Cap (Jan-05-2024)
    5.015 Billion USD
    World Rank (Jul-30-2023)
    2,652
    Market Cap (Jul-30-2023)
    5.694 Billion USD
    World Rank (Dec-25-2022)
    2,719
    Market Cap (Dec-25-2022)
    5.008 Billion USD
    World Rank (Jan-07-2022)
    4,862
    Market Cap (Jan-07-2022)
    2.99 Billion USD
    Annual Revenue in USD
    1,602 Million USD
    Annual Operating Income in USD
    47 Million USD
    Annual Net Income in USD
    176 Million USD
    Annual Results for Period Ending
    Dec-2022 ending period
    Headquarters Country
    Bermuda
    Company Profile

    Valaris Limited was created by the combination of two leading offshore drillers with decades of experience and knowledge to create the most capable, effective and highest performing offshore drilling service company in the world. They provide drilling services across all water depths with unmatched scale, geographic presence and customer relationships. Headquarters is in Bermuda.

    What Valaris have?

    • 13 drillships
    • 5 semisubmersibles
    • 36 jackups
    • 2 deepwater managed units
    Facts About Company

    FS KKR Capital Annual Total Revenue for year ending Dec-2022 was 98 million USD and and Net Income for year ending Dec-2022 was 92 million USD.

    FS KKR Capital Annual Total Revenue for year ending Dec-2021 was 1,534 million USD and and Net Income for year ending Dec-2021 was 1,515 million USD.

    As on 2022, FS KKR Capital has 4,150 employees.

    It is having total of approximately $16 billion in assets under management as of March 31, 2020.

    Company Website
    VALARIS

  8. Guanghui Energy

    World Rank (Aug-2026)
    3,226
    Market Cap (Aug-2026)
    5.925 Billion USD
    World Rank (Jan-05-2024)
    2,219
    Market Cap (Jan-05-2024)
    7.055 Billion USD
    World Rank (Jul-30-2023)
    2,363
    Market Cap (Jul-30-2023)
    6.522 Billion USD
    World Rank (Dec-25-2022)
    1,747
    Market Cap (Dec-25-2022)
    8.515 Billion USD
    World Rank (Jan-07-2022)
    2,567
    Market Cap (Jan-07-2022)
    6.79 Billion USD
    Annual Revenue in USD
    8,326 Million USD
    Annual Operating Income in USD
    2,092 Million USD
    Annual Net Income in USD
    1,589 Million USD
    Annual Results for Period Ending
    Dec-2022 ending period
    Headquarters Country
    China
    Yahoo @ Shanghai
    Company Profile

    Guanghui Energy has business in LNG (Liquified Natural Gas), coal mining, oil and gas exploration. Headquarters is in China.

    Company Website
    GUANGHUI ENERGY

  9. EQM Midstream Partners LP

    World Rank (Aug-2026)
    3,226
    World Rank (Jan-05-2024)
    3,226
    World Rank (Jul-30-2023)
    3,226
    World Rank (Dec-25-2022)
    3,226
    World Rank (Jan-07-2022)
    3,226
    Annual Revenue in USD
    1,630 Million USD
    Annual Operating Income in USD
    204 Million USD
    Annual Net Income in USD
    183 Million USD
    Annual Results for Period Ending
    For year ending December-2019
    Headquarters Country
    USA
    Company Profile

    EQM Midstream partners Lp is a Energy Utilities, Oil and Gas company. The company services to producers, marketers and local distribution companies through its strategically located natural gas transmission, storage and gathering systems and water services to support energy development and production in the Marcellus and Utica regions. The headquarters is in USA.

    Facts About Company

    As of December 2020, the Company had 771 employees

    Company Website
    EQT MIDSTREAM PARTNERS LP

  10. Cactus

    World Rank (Aug-2026)
    3,241
    Market Cap (Aug-2026)
    5.876 Billion USD
    World Rank (Jan-05-2024)
    4,465
    Market Cap (Jan-05-2024)
    2.926 Billion USD
    World Rank (Jul-30-2023)
    4,160
    Market Cap (Jul-30-2023)
    3.195 Billion USD
    World Rank (Dec-25-2022)
    4,046
    Market Cap (Dec-25-2022)
    3.039 Billion USD
    World Rank (Jan-07-2022)
    5,450
    Market Cap (Jan-07-2022)
    2.52 Billion USD
    Annual Revenue in USD
    1,079 Million USD
    Annual Operating Income in USD
    251 Million USD
    Annual Net Income in USD
    166 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Cactus Wellhead manufactures and services pressure control equipment for onshore and offshore oil and gas drilling, fracking, completion and production.

    As of December 2019, Cactus has over 1,100 employees.

    Annual Revenues for Year ending December 2019 is 628.4 Million USD and Net Income is 156.3 Million USD.

    Headquarters is in Texas, USA.

    Company Website
    CACTUS INC

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