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. Yankuang Energy Group Company

    World Rank (Aug-2026)
    817
    Market Cap (Aug-2026)
    31.972 Billion USD
    World Rank (Jan-05-2024)
    931
    Market Cap (Jan-05-2024)
    19.533 Billion USD
    World Rank (Jul-30-2023)
    1,161
    Market Cap (Jul-30-2023)
    15.619 Billion USD
    World Rank (Dec-25-2022)
    790
    Market Cap (Dec-25-2022)
    20.986 Billion USD
    World Rank (Jan-07-2022)
    1,380
    Market Cap (Jan-07-2022)
    14.62 Billion USD
    Annual Revenue in USD
    28,096 Million USD
    Annual Operating Income in USD
    8,470 Million USD
    Annual Net Income in USD
    4,370 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    China
    Yahoo @ HongKong
    Company Profile

    Coal mining sector company with headquarters is in China.

    Yanzhou Coal Mining Company has Changed its Name to Yankuang Energy Group Company in 2021.

    Company Website
    YANZHOU COAL MINING COMPANY

  3. ONGC

    World Rank (Aug-2026)
    843
    Market Cap (Aug-2026)
    31.059 Billion USD
    World Rank (Jan-05-2024)
    558
    Market Cap (Jan-05-2024)
    32.815 Billion USD
    World Rank (Jul-30-2023)
    710
    Market Cap (Jul-30-2023)
    26.269 Billion USD
    World Rank (Dec-25-2022)
    774
    Market Cap (Dec-25-2022)
    21.472 Billion USD
    World Rank (Jan-07-2022)
    796
    Market Cap (Jan-07-2022)
    26.47 Billion USD
    Annual Revenue in USD
    83,248 Million USD
    Annual Operating Income in USD
    7,433 Million USD
    Annual Net Income in USD
    4,308 Million USD
    Annual Results for Period Ending
    Mar-2023 ending year
    Headquarters Country
    India
    CEO
    Subhash Kumar
    Stock Category
    S&P BSE OIL and GAS
    S&P BSE PSU
    S&P BSE CPSE
    S&P BSE ENERGY
    BSE-100 Index
    Nifty 50 Index
    S&P BSE INDIA INFRA
    S&P BSE CPSE
    Yahoo @ BSE
    Company Profile

    ONGC is Oil and Gas Exploration and Producing PSU Sector Company with headquarters is in Dehradun of India. As on March-2023, ONGC has 25,993 Employees.

    Company Website
    ONGC India
    Wikipedia
    Wikipedia

  4. TechnipFMC

    World Rank (Aug-2026)
    848
    Market Cap (Aug-2026)
    30.828 Billion USD
    World Rank (Jan-05-2024)
    1,867
    Market Cap (Jan-05-2024)
    8.657 Billion USD
    World Rank (Jul-30-2023)
    1,971
    Market Cap (Jul-30-2023)
    8.178 Billion USD
    World Rank (Dec-25-2022)
    2,559
    Market Cap (Dec-25-2022)
    5.411 Billion USD
    World Rank (Jan-07-2022)
    4,742
    Market Cap (Jan-07-2022)
    3.09 Billion USD
    Annual Revenue in USD
    6,725 Million USD
    Annual Operating Income in USD
    197 Million USD
    Annual Net Income in USD
    -111 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    UK
    Yahoo @ NYSE
    Company Profile

    TechnipFMC is a Energy Services, Oil and Gas company. The product of the company are offshore, engineering, procurement and construction for the energy industry, onshore and subsea project and management. The headquarters is in UK.

    Facts About Company

    TechnipFMC annual revenue was 6,700 million USD and annual net loss was -107 million USD generated for period year ending Dec-2022.

    TechnipFMC annual revenue was 6,403 million USD and annual net income was 13 million USD generated for period year ending Dec-2021.

    As on 2022, TechnipFMC had 23,346 employees.

    Company Website
    TECHNIPFMC PLC
    Wikipedia
    Wikipedia

  5. Ameren Corporation

    World Rank (Aug-2026)
    861
    Market Cap (Aug-2026)
    30.381 Billion USD
    World Rank (Jan-05-2024)
    935
    Market Cap (Jan-05-2024)
    19.434 Billion USD
    World Rank (Jul-30-2023)
    830
    Market Cap (Jul-30-2023)
    22.540 Billion USD
    World Rank (Dec-25-2022)
    726
    Market Cap (Dec-25-2022)
    23.145 Billion USD
    World Rank (Jan-07-2022)
    922
    Market Cap (Jan-07-2022)
    22.73 Billion USD
    Annual Revenue in USD
    7,957 Million USD
    Annual Operating Income in USD
    1,515 Million USD
    Annual Net Income in USD
    1,074 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    CEO
    Warner L Baxter
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Electricity Utility and Gas Utility company with headquarters is in USA.

    As on 2022, AMEREN CORPORATION has 5,600 employees.

    AMEREN CORPORATION annual revenue generated for period ending Dec-2022 was 7,957 million USD.

    AMEREN CORPORATION annual net income generated for period ending Dec-2022 was 1,074 million USD.

    Company Website
    AMEREN CORPORATION
    Wikipedia
    Wikipedia

  6. Neste Oyj

    World Rank (Aug-2026)
    878
    Market Cap (Aug-2026)
    29.477 Billion USD
    World Rank (Jan-05-2024)
    689
    Market Cap (Jan-05-2024)
    26.826 Billion USD
    World Rank (Jul-30-2023)
    667
    Market Cap (Jul-30-2023)
    28.501 Billion USD
    World Rank (Dec-25-2022)
    465
    Market Cap (Dec-25-2022)
    35.821 Billion USD
    World Rank (Jan-07-2022)
    519
    Market Cap (Jan-07-2022)
    39.11 Billion USD
    Annual Revenue in USD
    28,343 Million USD
    Annual Operating Income in USD
    2,612 Million USD
    Annual Net Income in USD
    2,082 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Finland
    CEO
    Peter Vanacker
    Stock Category
    S&P EUROPE 350
    Yahoo @ Finland
    Company Profile

    Neste is oil refining company and produces renewable diesel and renewable jet fuel refined from waste and residues. They provide renewable solutions also to the polymers and chemicals industries which will reduce dependency on crude oil. Headquarters is in Finland.

    Company Website
    NESTE OYJ
    Wikipedia
    Wikipedia

  7. DTE Energy Company

    World Rank (Aug-2026)
    880
    Market Cap (Aug-2026)
    29.307 Billion USD
    World Rank (Jan-05-2024)
    805
    Market Cap (Jan-05-2024)
    22.891 Billion USD
    World Rank (Jul-30-2023)
    805
    Market Cap (Jul-30-2023)
    23.408 Billion USD
    World Rank (Dec-25-2022)
    731
    Market Cap (Dec-25-2022)
    22.966 Billion USD
    World Rank (Jan-07-2022)
    900
    Market Cap (Jan-07-2022)
    23.19 Billion USD
    Annual Revenue in USD
    19,228 Million USD
    Annual Operating Income in USD
    1,772 Million USD
    Annual Net Income in USD
    1,080 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    CEO
    Jerry Norcia
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Electric utility and gas utility company with headquarters is in Michigan, USA.

    As on 2022, DTE ENERGY COMPANY has 10,250 employees.

    DTE ENERGY COMPANY annual revenue generated for period ending Dec-2022 was 19,228 million USD.

    DTE ENERGY COMPANY annual net income generated for period ending Dec-2022 was 1,080 million USD.

    Company Website
    DTE ENERGY COMPANY
    Wikipedia
    Wikipedia

  8. Tenaris S.A.

    World Rank (Aug-2026)
    898
    Market Cap (Aug-2026)
    28.719 Billion USD
    World Rank (Jan-05-2024)
    920
    Market Cap (Jan-05-2024)
    19.976 Billion USD
    World Rank (Jul-30-2023)
    944
    Market Cap (Jul-30-2023)
    19.626 Billion USD
    World Rank (Dec-25-2022)
    793
    Market Cap (Dec-25-2022)
    20.955 Billion USD
    World Rank (Jan-07-2022)
    1,501
    Market Cap (Jan-07-2022)
    13.23 Billion USD
    Annual Revenue in USD
    11,762 Million USD
    Annual Operating Income in USD
    2,977 Million USD
    Annual Net Income in USD
    2,553 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Luxembourg
    CEO
    Paolo Rocca
    Stock Category
    S&P EUROPE 350
    EURONEXT 100
    Yahoo @ NYSE
    Company Profile

    Steel Pipes manufacturing company with headquarters is in Luxembourg. Manufactures steel pipes needed for oil and gas companies.

    Company Website
    TENARIS S.A.
    Wikipedia
    Wikipedia

  9. Atmos Energy Corporation

    World Rank (Aug-2026)
    899
    Market Cap (Aug-2026)
    28.715 Billion USD
    World Rank (Jan-05-2024)
    1,006
    Market Cap (Jan-05-2024)
    17.801 Billion USD
    World Rank (Jul-30-2023)
    1,036
    Market Cap (Jul-30-2023)
    17.642 Billion USD
    World Rank (Dec-25-2022)
    1,017
    Market Cap (Dec-25-2022)
    16.231 Billion USD
    World Rank (Jan-07-2022)
    1,440
    Market Cap (Jan-07-2022)
    13.97 Billion USD
    Annual Revenue in USD
    4,275 Million USD
    Annual Operating Income in USD
    1,067 Million USD
    Annual Net Income in USD
    885 Million USD
    Annual Results for Period Ending
    Sep-2023 ending year
    Headquarters Country
    USA
    CEO
    Kevin Akers
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    ATMOS ENERGY CORPORATION is Natural gas distribution company with headquarters is in Texas, USA.

    As on 2022, ATMOS ENERGY CORPORATION has 4,791 employees.

    ATMOS ENERGY CORPORATION annual revenue generated for period ending Sep-2022 was 4,201 million USD.

    ATMOS ENERGY CORPORATION annual net income generated for period ending Sep-2022 was 774 million USD.

    Company Website
    ATMOS ENERGY CORPORATION
    Wikipedia
    Wikipedia

  10. Halliburton Company

    World Rank (Aug-2026)
    900
    Market Cap (Aug-2026)
    28.676 Billion USD
    World Rank (Jan-05-2024)
    560
    Market Cap (Jan-05-2024)
    32.732 Billion USD
    World Rank (Jul-30-2023)
    544
    Market Cap (Jul-30-2023)
    34.428 Billion USD
    World Rank (Dec-25-2022)
    471
    Market Cap (Dec-25-2022)
    35.496 Billion USD
    World Rank (Jan-07-2022)
    897
    Market Cap (Jan-07-2022)
    23.29 Billion USD
    Annual Revenue in USD
    20,297 Million USD
    Annual Operating Income in USD
    2,707 Million USD
    Annual Net Income in USD
    1,572 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    CEO
    Jeff Miller
    Stock Category
    S&P 500
    Yahoo @ NYSE
    Company Profile

    Halliburton is oil fields services company with headquarters is in Texas, USA.

    As on 2022, Halliburton has 42,172 employees.

    Halliburton annual revenue generated for period ending Dec-2022 was 20,297 million USD.

    Halliburton annual net income generated for period ending Dec-2022 was 1,572 million USD.

    Company Website
    HALLIBURTON COMPANY
    Wikipedia
    Wikipedia

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