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. Magellan Midstream Partners

    World Rank (Aug-2026)
    1,320
    World Rank (Jan-05-2024)
    1,320
    World Rank (Jul-30-2023)
    1,320
    Market Cap (Jul-30-2023)
    13.284 Billion USD
    World Rank (Dec-25-2022)
    1,500
    Market Cap (Dec-25-2022)
    10.282 Billion USD
    World Rank (Jan-07-2022)
    1,859
    Market Cap (Jan-07-2022)
    10.15 Billion USD
    Annual Revenue in USD
    3,200 Million USD
    Annual Operating Income in USD
    960 Million USD
    Annual Net Income in USD
    1,036 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    Company Profile

    Magellan Midstream Partners company provides Fund management services and investment management services. Headquarters is in Australia.

    On Sep-25-2023, ONEOK announced that it has completed its acquisition of Magellan Midstream Partners.

    Company Website
    Magellan Financial Group Limited
    Wikipedia
    Wikipedia

  2. Grupo Carso

    World Rank (Aug-2026)
    1,339
    Market Cap (Aug-2026)
    18.230 Billion USD
    World Rank (Jan-05-2024)
    780
    Market Cap (Jan-05-2024)
    23.556 Billion USD
    World Rank (Jul-30-2023)
    1,010
    Market Cap (Jul-30-2023)
    17.981 Billion USD
    World Rank (Dec-25-2022)
    1,528
    Market Cap (Dec-25-2022)
    10.051 Billion USD
    World Rank (Jan-07-2022)
    2,573
    Market Cap (Jan-07-2022)
    6.76 Billion USD
    Annual Revenue in USD
    10,877 Million USD
    Annual Operating Income in USD
    1,426 Million USD
    Annual Net Income in USD
    1,142 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Mexico
    Yahoo @ Mexico
    Company Profile
    Grupo Carso is a Diversified Conglomerates company.  They have 60,000 employees as on 2019. The company is made up of four sectors that have been defined as strategic they are the commercial sector, the industrial sector, the infrastructure and construction sector and the energy sector. The headquarters is in Mexico.
    Company Website
    GRUPO CARSO
    Wikipedia
    Wikipedia

  3. Brookfield Infrastructure Partners

    World Rank (Aug-2026)
    1,344
    Market Cap (Aug-2026)
    18.189 Billion USD
    World Rank (Jan-05-2024)
    1,241
    Market Cap (Jan-05-2024)
    14.174 Billion USD
    World Rank (Jul-30-2023)
    1,126
    Market Cap (Jul-30-2023)
    16.183 Billion USD
    World Rank (Dec-25-2022)
    1,124
    Market Cap (Dec-25-2022)
    14.358 Billion USD
    World Rank (Jan-07-2022)
    1,141
    Market Cap (Jan-07-2022)
    17.97 Billion USD
    Annual Revenue in USD
    14,427 Million USD
    Annual Operating Income in USD
    3,484 Million USD
    Annual Net Income in USD
    101 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    CEO
    Sam Pollock
    Stock Category
    TSX 60
    Yahoo @ NYSE
    Company Profile

    Brookfield Infrastructure Partners owns and operates infrastructure businesses in Utilities, Energy, Transportation infrastructure. Headquarters is in Toronto, Canada.

    They had 2,000 assets cross 30 countries on 5 continents.

    Facts About Company

    For year ending Dec-2022, Brookfield Infrastructure Partners annual revenue was 14,427 million USD and annual net income was 101 million USD.

    For year ending Dec-2021, Brookfield Infrastructure Partners annual revenue was 11,537 million USD and annual net income was 556 million USD.

    As on 2022, Brookfield Infrastructure Partners had 52,000 employees.

    Company Website
    BROOKFIELD INFRASTRUCTURE PARTNERS LP
    Wikipedia
    Wikipedia

  4. PTT Exploration and Production Public Company

    World Rank (Aug-2026)
    1,348
    Market Cap (Aug-2026)
    18.172 Billion USD
    World Rank (Jan-05-2024)
    1,039
    Market Cap (Jan-05-2024)
    17.250 Billion USD
    World Rank (Jul-30-2023)
    985
    Market Cap (Jul-30-2023)
    18.485 Billion USD
    World Rank (Dec-25-2022)
    854
    Market Cap (Dec-25-2022)
    19.561 Billion USD
    World Rank (Jan-07-2022)
    1,381
    Market Cap (Jan-07-2022)
    14.62 Billion USD
    Annual Revenue in USD
    9,429 Million USD
    Annual Operating Income in USD
    4,610 Million USD
    Annual Net Income in USD
    2,027 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Thailand
    CEO
    Phongsthorn Thavisin
    Stock Category
    Thailand ADRs
    Yahoo @ Thailand
    Company Profile

    PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY is a national petroleum exploration and production company. The company operates three business segments: Oil and gas exploration and production, overseas pipelines and investment in projects strategically connected to the energy business. It is a subsidiary of the state owned PTT public company limited. The headquarters is in Thailand.

    Company Website
    PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY
    Wikipedia
    Wikipedia

  5. Hengli Petrochemical

    World Rank (Aug-2026)
    1,372
    Market Cap (Aug-2026)
    17.874 Billion USD
    World Rank (Jan-05-2024)
    1,347
    Market Cap (Jan-05-2024)
    12.932 Billion USD
    World Rank (Jul-30-2023)
    1,192
    Market Cap (Jul-30-2023)
    15.155 Billion USD
    World Rank (Dec-25-2022)
    1,032
    Market Cap (Dec-25-2022)
    16.071 Billion USD
    World Rank (Jan-07-2022)
    792
    Market Cap (Jan-07-2022)
    26.58 Billion USD
    Annual Revenue in USD
    31,109 Million USD
    Annual Operating Income in USD
    1,370 Million USD
    Annual Net Income in USD
    324 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    China
    Yahoo @ Shanghai
    Company Profile
    Oil and Gas, Petro Chemical company with headquarters is in China.
    Company Website
    HENGLI PETRO

  6. Ovintiv Inc.

    World Rank (Aug-2026)
    1,376
    Market Cap (Aug-2026)
    17.816 Billion USD
    World Rank (Jan-05-2024)
    1,420
    Market Cap (Jan-05-2024)
    12.107 Billion USD
    World Rank (Jul-30-2023)
    1,393
    Market Cap (Jul-30-2023)
    12.514 Billion USD
    World Rank (Dec-25-2022)
    1,234
    Market Cap (Dec-25-2022)
    12.946 Billion USD
    World Rank (Jan-07-2022)
    1,908
    Market Cap (Jan-07-2022)
    9.87 Billion USD
    Annual Revenue in USD
    12,464 Million USD
    Annual Operating Income in USD
    3,854 Million USD
    Annual Net Income in USD
    3,637 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Company Profile

    Ovintiv is the producers of oil, condensate, natural gas and natural gas liquids company in North America. The headquarters is in Canada.

    Company Website
    OVINTIV INC.

  7. National Atomic Company Kazatomprom

    World Rank (Aug-2026)
    1,377
    Market Cap (Aug-2026)
    17.811 Billion USD
    World Rank (Jan-05-2024)
    1,468
    Market Cap (Jan-05-2024)
    11.510 Billion USD
    World Rank (Jul-30-2023)
    1,966
    Market Cap (Jul-30-2023)
    8.205 Billion USD
    World Rank (Dec-25-2022)
    1,928
    Market Cap (Dec-25-2022)
    7.519 Billion USD
    World Rank (Jan-07-2022)
    1,831
    Market Cap (Jan-07-2022)
    10.36 Billion USD
    Annual Revenue in USD
    2,203 Million USD
    Annual Operating Income in USD
    999 Million USD
    Annual Net Income in USD
    766 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Kazakhstan
    Yahoo @ Frankfurt
    Company Profile

    National Atomic Company Kazatomprom is the national operator of the Republic of Kazakhstan for the import and export of uranium, rare metals, nuclear fuel for nuclear power plants company. It involved in the front end of the nuclear fuel cycle from geological exploration, uranium mining and production of nuclear fuel cycle through to scientific research and development of patented technologies. The headquarters is in Kazakhstan.

    Company Website
    NATIONAL ATOMIC COMPANY KAZATOMPROM

  8. Tourmaline Oil

    World Rank (Aug-2026)
    1,390
    Market Cap (Aug-2026)
    17.598 Billion USD
    World Rank (Jan-05-2024)
    1,127
    Market Cap (Jan-05-2024)
    15.824 Billion USD
    World Rank (Jul-30-2023)
    1,046
    Market Cap (Jul-30-2023)
    17.527 Billion USD
    World Rank (Dec-25-2022)
    942
    Market Cap (Dec-25-2022)
    17.752 Billion USD
    World Rank (Jan-07-2022)
    1,704
    Market Cap (Jan-07-2022)
    11.27 Billion USD
    Annual Revenue in USD
    6,549 Million USD
    Annual Operating Income in USD
    3,434 Million USD
    Annual Net Income in USD
    3,387 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Stock Category
    TSX 60
    Yahoo @ Toronto
    Company Profile

    Tourmaline Oil is Oil and Gas company with headquarters is in Calgary, Canada.

    Facts About Company

    For year ending Dec-2022, Tourmaline Oil annual revenue was 8,677 million CAD and annual net income was 4,487 million CAD.

    For year ending Dec-2021, Tourmaline Oil annual revenue was 5,121 million CAD and annual net income was 2,025 million CAD.

    As on 2020, Tourmaline Oil had 225 employees.

    Company Website
    TOURMALINE OIL CORP.

  9. Hollyfrontier Corporation

    World Rank (Aug-2026)
    1,397
    World Rank (Jan-05-2024)
    3,053
    World Rank (Jul-30-2023)
    3,053
    World Rank (Dec-25-2022)
    3,053
    World Rank (Jan-07-2022)
    3,053
    Market Cap (Jan-07-2022)
    5.47 Billion USD
    Annual Revenue in USD
    18,389 Million USD
    Annual Net Income in USD
    558 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    USA
    Company Profile

    HollyFrontier Corporation is a Petroleum, Oil and Gas company. The Company products are gasoline, diesel, jet fuel, asphalt, aircrafts, trains, vacuum tower bottoms, carbon black oil, roofing flux, zero pen asphalt and other specialty products. The headquarters is in USA.

    Company Website
    HOLLYFRONTIER CORPORATION
    Wikipedia
    Wikipedia

  10. SNGN Romgaz SA

    World Rank (Aug-2026)
    1,423
    Market Cap (Aug-2026)
    17.026 Billion USD
    World Rank (Jan-05-2024)
    3,340
    Market Cap (Jan-05-2024)
    4.240 Billion USD
    World Rank (Jul-30-2023)
    3,960
    Market Cap (Jul-30-2023)
    3.445 Billion USD
    World Rank (Dec-25-2022)
    3,775
    Market Cap (Dec-25-2022)
    3.345 Billion USD
    World Rank (Jan-07-2022)
    4,649
    Market Cap (Jan-07-2022)
    3.17 Billion USD
    Annual Revenue in USD
    1,306 Million USD
    Annual Net Income in USD
    423 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Romania
    Yahoo @ Frankfurt
    Company Profile

    SNGN Romgaz SA company is producer and main supplier of natural gas. The headquarters is in Romania.

    Company Website
    SNGN ROMGAZ SA

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