World Top 100 Energy Companies List by Market Cap as of August 2026

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

World Top Energy Companies in 2026
World Largest Energy Companies by Market Cap 2026, World Top Energy Companies by Market Cap in 2026.

  1. Transocean

    World Rank (Aug-2026)
    3,036
    Market Cap (Aug-2026)
    6.433 Billion USD
    World Rank (Jan-05-2024)
    2,908
    Market Cap (Jan-05-2024)
    5.016 Billion USD
    World Rank (Jul-30-2023)
    2,353
    Market Cap (Jul-30-2023)
    6.553 Billion USD
    World Rank (Dec-25-2022)
    3,752
    Market Cap (Dec-25-2022)
    3.371 Billion USD
    World Rank (Jan-07-2022)
    5,951
    Market Cap (Jan-07-2022)
    2.17 Billion USD
    Annual Revenue in USD
    2,575 Million USD
    Annual Operating Income in USD
    -21 Million USD
    Annual Net Income in USD
    -621 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Switzerland
    Yahoo @ NYSE
    Company Profile
    Transocean is the premier offshore drilling company by providing worldwide, rig based well construction services to customers through the integration of motivated people, quality equipment and innovative technology. The company annual revenue is 3,152 million USD and total assets are 21.8 billion USD as on 2020. The headquarters is in Switzerland.
    Company Website
    TRANSOCEAN LTD.

  2. Vopak NV

    World Rank (Aug-2026)
    3,070
    Market Cap (Aug-2026)
    6.335 Billion USD
    World Rank (Jan-05-2024)
    3,396
    Market Cap (Jan-05-2024)
    4.156 Billion USD
    World Rank (Jul-30-2023)
    3,477
    World Rank (Dec-25-2022)
    3,477
    Market Cap (Dec-25-2022)
    3.737 Billion USD
    World Rank (Jan-07-2022)
    3,628
    Market Cap (Jan-07-2022)
    4.39 Billion USD
    Annual Revenue in USD
    1,353 Million USD
    Annual Net Income in USD
    236 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Netherlands
    Yahoo
    Company Profile

    Vopak has tank terminals in key marine locations that are critical to their customers around the world to store Oil, Chemicals and Gases. Vopak stores a wide variety of liquid bulk products and gasses. Headquarters is in Netherlands.

    Company Website
    VOPAK

  3. Magnolia Oil & Gas Corporation

    World Rank (Aug-2026)
    3,110
    Market Cap (Aug-2026)
    6.218 Billion USD
    World Rank (Jan-05-2024)
    3,192
    Market Cap (Jan-05-2024)
    4.501 Billion USD
    World Rank (Jul-30-2023)
    2,674
    Market Cap (Jul-30-2023)
    5.629 Billion USD
    World Rank (Dec-25-2022)
    2,816
    Market Cap (Dec-25-2022)
    4.811 Billion USD
    World Rank (Jan-07-2022)
    4,227
    Market Cap (Jan-07-2022)
    3.62 Billion USD
    Annual Revenue in USD
    1,694 Million USD
    Annual Operating Income in USD
    1,073 Million USD
    Annual Net Income in USD
    893 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Magnolia Oil & Gas Corporation is a Publicly Traded Oil and Gas Exploration and Production company. The headquarters is in USA.

    Company Website
    Magnolia Oil & Gas Corporation

  4. Shanxi Coking Coal Energy Group Co. Ltd

    World Rank (Aug-2026)
    3,124
    Market Cap (Aug-2026)
    6.183 Billion USD
    World Rank (Jan-05-2024)
    1,890
    Market Cap (Jan-05-2024)
    8.564 Billion USD
    World Rank (Jul-30-2023)
    2,202
    Market Cap (Jul-30-2023)
    7.172 Billion USD
    World Rank (Dec-25-2022)
    2,067
    Market Cap (Dec-25-2022)
    6.896 Billion USD
    World Rank (Jan-07-2022)
    3,088
    Market Cap (Jan-07-2022)
    5.38 Billion USD
    Annual Revenue in USD
    9,135 Million USD
    Annual Operating Income in USD
    2,679 Million USD
    Annual Net Income in USD
    1,503 Million USD
    Annual Results for Period Ending
    Dec-2022 ending period
    Headquarters Country
    China
    Yahoo @ Shenzhen
    Company Profile

    Coal mining company with headquarters in China.

    Company Website
    SHANXI XISHAN COAL AND ELECTRICITY POWER

  5. 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

  6. Enel Chile

    World Rank (Aug-2026)
    3,143
    Market Cap (Aug-2026)
    6.140 Billion USD
    World Rank (Jan-05-2024)
    3,300
    Market Cap (Jan-05-2024)
    4.316 Billion USD
    World Rank (Jul-30-2023)
    3,099
    Market Cap (Jul-30-2023)
    4.759 Billion USD
    World Rank (Dec-25-2022)
    4,001
    Market Cap (Dec-25-2022)
    3.085 Billion USD
    World Rank (Jan-07-2022)
    5,363
    Market Cap (Jan-07-2022)
    2.59 Billion USD
    Annual Revenue in USD
    5,976 Million USD
    Annual Operating Income in USD
    1,128 Million USD
    Annual Net Income in USD
    1,510 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Chile
    Yahoo @ NYSE
    Company Profile

    Generation, Distribution and Transmission of Electricity in Chile.

    Company Website
    ENEL CHILE S.A.

  7. 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

  8. 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
    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

  9. 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
    845 Million USD
    Annual Operating Income in USD
    144 Million USD
    Annual Net Income in USD
    44 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    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

  10. 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

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