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. Tidewater

    World Rank (Aug-2026)
    3,790
    Market Cap (Aug-2026)
    4.691 Billion USD
    World Rank (Jan-05-2024)
    3,751
    Market Cap (Jan-05-2024)
    3.664 Billion USD
    World Rank (Jul-30-2023)
    4,206
    Market Cap (Jul-30-2023)
    3.152 Billion USD
    World Rank (Dec-25-2022)
    5,897
    Market Cap (Dec-25-2022)
    1.762 Billion USD
    World Rank (Jan-07-2022)
    13,505
    Market Cap (Jan-07-2022)
    0.50 Billion USD
    Annual Revenue in USD
    647 Million USD
    Annual Operating Income in USD
    27 Million USD
    Annual Net Income in USD
    -22 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Tidewater is a Offshore Energy Exploration and Production Activities Industries company. The headquarters is in USA.

    Facts About Company

    Tidewater Annual Total Revenue for year ending Dec-2022 was 647 million USD and and Net loss for year ending Dec-2022 was -21 million USD.

    Tidewater Annual Total Revenue for year ending Dec-2021 was 371 million USD and and Net loss for year ending Dec-2021 was -128 million USD.

    As on 2022, Tidewater has 6,300 employees.

    Company Website
    TIDEWATER INC

  2. Inter Rao Ues

    World Rank (Aug-2026)
    3,806
    World Rank (Jan-05-2024)
    3,806
    World Rank (Jul-30-2023)
    3,806
    World Rank (Dec-25-2022)
    3,806
    World Rank (Jan-07-2022)
    3,806
    Market Cap (Jan-07-2022)
    4.11 Billion USD
    Annual Revenue in USD
    16,208 Million USD
    Annual Net Income in USD
    1,232 Million USD
    Annual Results for Period Ending
    Dec-2020 ending year
    Headquarters Country
    Russia
    Company Profile
    Inter Rao UES is a Diversified Energy Holding company. It operates in the following business segments they are electric power and heat generation, supply business, international power trading, power industry engineering, export of power industry equipment and management of distribution grids outside Russia. The company supply business division manages 8 Russian power supply companies in 12 regions of Russia. The headquarters is in Russia.
    Company Website
    INTER RAO UES
    Wikipedia
    Wikipedia

  3. Petronet LNG

    World Rank (Aug-2026)
    3,836
    Market Cap (Aug-2026)
    4.593 Billion USD
    World Rank (Jan-05-2024)
    3,407
    Market Cap (Jan-05-2024)
    4.146 Billion USD
    World Rank (Jul-30-2023)
    3,441
    Market Cap (Jul-30-2023)
    4.179 Billion USD
    World Rank (Dec-25-2022)
    3,437
    Market Cap (Dec-25-2022)
    3.801 Billion USD
    World Rank (Jan-07-2022)
    3,570
    Market Cap (Jan-07-2022)
    4.47 Billion USD
    Annual Revenue in USD
    7,281 Million USD
    Annual Operating Income in USD
    497 Million USD
    Annual Net Income in USD
    404 Million USD
    Annual Results for Period Ending
    Mar-2023 ending year
    Headquarters Country
    India
    Stock Category
    S&P BSE OIL and GAS
    S&P BSE ENERGY
    Yahoo @ BSE
    Company Profile

    Petronet LNG Limited is one of the fastest growing world-class companies in the Indian energy sector, has set up the country's first LNG receiving and regasification terminal at Dahej, Gujarat, and another terminal at Kochi, Kerala. While the Dahej terminal has a nominal capacity of 15 MMTPA, which is being expanded to 17.5 MMTPA, the Kochi terminal has a capacity of 5 MMTPA. The company is also exploring suitable opportunities within and outside India to expand its business presence. Headquarters is in New Delhi, India.

    Company Website
    PETRONET LNG LIMITED
    Wikipedia
    Wikipedia

  4. PTT Oil and Retail Business Public Company Limited

    World Rank (Aug-2026)
    3,837
    Market Cap (Aug-2026)
    4.593 Billion USD
    World Rank (Jan-05-2024)
    2,320
    Market Cap (Jan-05-2024)
    6.677 Billion USD
    World Rank (Jul-30-2023)
    2,133
    Market Cap (Jul-30-2023)
    7.461 Billion USD
    World Rank (Dec-25-2022)
    1,849
    Market Cap (Dec-25-2022)
    7.930 Billion USD
    Annual Revenue in USD
    23,056 Million USD
    Annual Operating Income in USD
    392 Million USD
    Annual Net Income in USD
    303 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Thailand
    Company Profile

    PTT OIL AND RETAIL BUSINESS PUBLIC COMPANY LIMITED is a Oil and Retail Business Public Company. It engages in the retail and commercial marketing of petroleum products and other services in Thailand. Headquarters is in Thailand.

    Company Website
    PTT OIL AND RETAIL BUSINESS PUBLIC COMPANY LIMITED

  5. Whitehaven Coal

    World Rank (Aug-2026)
    3,856
    Market Cap (Aug-2026)
    4.565 Billion USD
    World Rank (Jan-05-2024)
    3,244
    Market Cap (Jan-05-2024)
    4.396 Billion USD
    World Rank (Jul-30-2023)
    3,593
    Market Cap (Jul-30-2023)
    3.913 Billion USD
    World Rank (Dec-25-2022)
    2,222
    Market Cap (Dec-25-2022)
    6.361 Billion USD
    World Rank (Jan-07-2022)
    6,214
    Market Cap (Jan-07-2022)
    2.04 Billion USD
    Annual Revenue in USD
    3,406 Million USD
    Annual Net Income in USD
    1,351 Million USD
    Annual Results for Period Ending
    Jun-2022 ending year
    Headquarters Country
    Australia
    Stock Category
    ASX 100
    Yahoo @ ASX
    Company Profile

    Coal mining company with headquarters is in NSW, Australia.

    Company Website
    WHITEHAVEN COAL

  6. PT United Tractors TBK

    World Rank (Aug-2026)
    3,857
    Market Cap (Aug-2026)
    4.565 Billion USD
    World Rank (Jan-05-2024)
    2,738
    Market Cap (Jan-05-2024)
    5.453 Billion USD
    World Rank (Jul-30-2023)
    2,409
    Market Cap (Jul-30-2023)
    6.388 Billion USD
    World Rank (Dec-25-2022)
    2,199
    Market Cap (Dec-25-2022)
    6.429 Billion USD
    World Rank (Jan-07-2022)
    2,921
    Market Cap (Jan-07-2022)
    5.79 Billion USD
    Annual Revenue in USD
    8,158 Million USD
    Annual Operating Income in USD
    1,923 Million USD
    Annual Net Income in USD
    1,386 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Indonesia
    Stock Category
    Indonesia ADRs
    Yahoo @ Indonesia
    Company Profile
    PT United Tractors Tbk is a Mining company. The Company is a key player in various sectors and industries in the country through its five business pillars they are namely construction machinery, mining contracting, mining, construction industry and energy. The headquarters is in Indonesia.
    Company Website
    PT UNITED TRACTORS
    Wikipedia
    Wikipedia

  7. Pampa Energia

    World Rank (Aug-2026)
    3,898
    Market Cap (Aug-2026)
    4.477 Billion USD
    World Rank (Jan-05-2024)
    3,814
    Market Cap (Jan-05-2024)
    3.594 Billion USD
    World Rank (Jul-30-2023)
    3,246
    Market Cap (Jul-30-2023)
    4.507 Billion USD
    World Rank (Dec-25-2022)
    6,137
    Market Cap (Dec-25-2022)
    1.653 Billion USD
    World Rank (Jan-07-2022)
    9,064
    Market Cap (Jan-07-2022)
    1.07 Billion USD
    Annual Revenue in USD
    11 Million USD
    Annual Net Income in USD
    2 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Argentina
    Yahoo @ NYSE
    Company Profile

    It has business in oil and gas segment and electricity generation. Headquarters is in Argentina.

    Company Website
    PAMPA ENERGIA S.A.
    Wikipedia
    Wikipedia

  8. Transportadora de Gas Del Sur

    World Rank (Aug-2026)
    3,905
    Market Cap (Aug-2026)
    4.459 Billion USD
    World Rank (Jan-05-2024)
    4,405
    Market Cap (Jan-05-2024)
    2.977 Billion USD
    World Rank (Jul-30-2023)
    3,674
    Market Cap (Jul-30-2023)
    3.796 Billion USD
    World Rank (Dec-25-2022)
    6,186
    Market Cap (Dec-25-2022)
    1.637 Billion USD
    World Rank (Jan-07-2022)
    11,733
    Market Cap (Jan-07-2022)
    0.66 Billion USD
    Annual Revenue in USD
    581 Million USD
    Annual Operating Income in USD
    192 Million USD
    Annual Net Income in USD
    118 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Argentina
    Yahoo @ NYSE
    Company Profile

    Gas transportation company with extensive gas pipeline system in Latin America. Headquarters is in Argentina.

    Company Website
    TRANSPORTADORA DE GAS SA ORD B

  9. Modec

    World Rank (Aug-2026)
    3,931
    Market Cap (Aug-2026)
    4.418 Billion USD
    World Rank (Jan-05-2024)
    8,125
    Market Cap (Jan-05-2024)
    1.097 Billion USD
    World Rank (Jul-30-2023)
    10,412
    Market Cap (Jul-30-2023)
    0.734 Billion USD
    World Rank (Dec-25-2022)
    11,688
    Market Cap (Dec-25-2022)
    0.560 Billion USD
    World Rank (Jan-07-2022)
    11,266
    Market Cap (Jan-07-2022)
    0.72 Billion USD
    Annual Revenue in USD
    28 Million USD
    Annual Net Income in USD
    -3 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Japan
    Yahoo @ Tokyo
    Company Website
    MODEC
    Wikipedia
    Wikipedia

  10. Northwestern Energy Group

    World Rank (Aug-2026)
    3,932
    Market Cap (Aug-2026)
    4.418 Billion USD
    World Rank (Jan-05-2024)
    4,235
    Market Cap (Jan-05-2024)
    3.136 Billion USD
    World Rank (Jul-30-2023)
    4,018
    Market Cap (Jul-30-2023)
    3.363 Billion USD
    World Rank (Dec-25-2022)
    3,698
    Market Cap (Dec-25-2022)
    3.430 Billion USD
    World Rank (Jan-07-2022)
    4,622
    Market Cap (Jan-07-2022)
    3.19 Billion USD
    Annual Revenue in USD
    1,477 Million USD
    Annual Operating Income in USD
    263 Million USD
    Annual Net Income in USD
    183 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Northwestern Energy Group is a Reliable and Affordable Energy company. It serve 7,34,800 residential and business customers with electricity and natural gas. The company has miles of natural gas line are 9,483 plus storage facilities. It own and operate a diverse generation fleet of wind, water, natural gas and coal fired resources and the high voltage transmission system and distribution system that reliably delivers responsibly produced electricity to more than 4,27,000 customers daily. The headquarters is in USA.

    Company Website
    NORTHWESTERN CORPORATION

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