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

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

World Largest Gas Utilities Companies in 2026
World Top Gas Utilities Companies by Market Cap in 2026, World Largest Gas Utilities Companies by Market Cap in 2026.

  1. Algonquin Power & Utilities

    World Rank (Aug-2026)
    3,947
    Market Cap (Aug-2026)
    4.392 Billion USD
    World Rank (Jan-05-2024)
    3,197
    Market Cap (Jan-05-2024)
    4.486 Billion USD
    World Rank (Jul-30-2023)
    2,677
    Market Cap (Jul-30-2023)
    5.626 Billion USD
    World Rank (Dec-25-2022)
    2,926
    Market Cap (Dec-25-2022)
    4.620 Billion USD
    World Rank (Jan-07-2022)
    1,962
    Market Cap (Jan-07-2022)
    9.53 Billion USD
    Annual Revenue in USD
    2,765 Million USD
    Annual Operating Income in USD
    500 Million USD
    Annual Net Income in USD
    -220 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ NYSE
    Company Profile

    Electric utility, gas utility and water utility company with headquarters is in Ontario, Canada. Renewable energy generating company and generates wind, solar and hydro-electric power.

    Company Website
    ALGONQUIN POWER & UTILITIES CORP
    Wikipedia
    Wikipedia

  2. Excelerate Energy Inc.

    World Rank (Aug-2026)
    4,100
    Market Cap (Aug-2026)
    4.154 Billion USD
    World Rank (Jan-05-2024)
    6,453
    Market Cap (Jan-05-2024)
    1.625 Billion USD
    World Rank (Jul-30-2023)
    5,286
    Market Cap (Jul-30-2023)
    2.272 Billion USD
    World Rank (Dec-25-2022)
    6,154
    World Rank (Jan-07-2022)
    6,154
    Annual Revenue in USD
    1,228 Million USD
    Annual Operating Income in USD
    267 Million USD
    Annual Net Income in USD
    39 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Company Profile
    Excelerate Energy, INC is a leading floating LNG solutions innovator and provider company. The company products are LNG Terminal Services, Gas Supply, Power Supply and Small Business. The company annual revenue is 888 million USD and annual net income is 41 million USD for year ending December 2021. The headquarters is in United States.
    Company Website
    EXCELERATE ENERGY, INC.

  3. China Gas Holdings

    World Rank (Aug-2026)
    4,117
    Market Cap (Aug-2026)
    4.123 Billion USD
    World Rank (Jan-05-2024)
    2,737
    Market Cap (Jan-05-2024)
    5.457 Billion USD
    World Rank (Jul-30-2023)
    2,524
    Market Cap (Jul-30-2023)
    6.007 Billion USD
    World Rank (Dec-25-2022)
    1,880
    Market Cap (Dec-25-2022)
    7.780 Billion USD
    World Rank (Jan-07-2022)
    1,750
    Market Cap (Jan-07-2022)
    10.96 Billion USD
    Annual Revenue in USD
    11,794 Million USD
    Annual Operating Income in USD
    937 Million USD
    Annual Net Income in USD
    550 Million USD
    Annual Results for Period Ending
    Mar-2023 ending year
    Headquarters Country
    Hong Kong
    Yahoo @ HongKong
    Company Profile

    Gas Utilities company with headquarters is in Hong Kong. Supplies gas to residential, commercial and industry purposes.

    Annual Turnover for period ending March 2020 is 59,539 Million HKD and Annual Net Profit is 9,188 Million HKD.

    Connectable residential users for city gas projects (household) as on March 2020 is 44.47 Millions.

    Total natural gas sale volume (million m3 for period 2019-20 is 25,372.4

    As at 31 March 2020, CHINA GAS HOLDINGS had 59,462 employees.

    As at 31 March 2020, the Group’s bank loans and other loans amounted to 39,689 Million HKD.

    Company Website
    CHINA GAS HOLD
    Wikipedia
    Wikipedia

  4. Rubis

    World Rank (Aug-2026)
    4,169
    Market Cap (Aug-2026)
    4.042 Billion USD
    World Rank (Jan-05-2024)
    4,820
    Market Cap (Jan-05-2024)
    2.613 Billion USD
    World Rank (Jul-30-2023)
    4,727
    Market Cap (Jul-30-2023)
    2.657 Billion USD
    World Rank (Dec-25-2022)
    4,432
    Market Cap (Dec-25-2022)
    2.695 Billion USD
    World Rank (Jan-07-2022)
    4,565
    Market Cap (Jan-07-2022)
    3.25 Billion USD
    Annual Revenue in USD
    7,866 Million USD
    Annual Operating Income in USD
    561 Million USD
    Annual Net Income in USD
    289 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    France
    Yahoo @ Paris
    Company Profile
    Rubis is a Energy Sector, Operates in Storage, Retail Distribution, Supply and International Logistics company. The headquarters is in France.
    Company Website
    RUBIS
    Wikipedia
    Wikipedia

  5. AGL Energy

    World Rank (Aug-2026)
    4,207
    Market Cap (Aug-2026)
    3.971 Billion USD
    World Rank (Jan-05-2024)
    3,288
    Market Cap (Jan-05-2024)
    4.335 Billion USD
    World Rank (Jul-30-2023)
    2,736
    Market Cap (Jul-30-2023)
    5.493 Billion USD
    World Rank (Dec-25-2022)
    3,508
    Market Cap (Dec-25-2022)
    3.684 Billion USD
    World Rank (Jan-07-2022)
    4,883
    Market Cap (Jan-07-2022)
    2.97 Billion USD
    Annual Revenue in USD
    9,229 Million USD
    Annual Operating Income in USD
    216 Million USD
    Annual Net Income in USD
    -841 Million USD
    Annual Results for Period Ending
    Jun-2023 ending year
    Headquarters Country
    Australia
    Stock Category
    ASX 100
    Australia ADRs
    Yahoo @ ASX
    Company Profile

    AGL ENERGY LIMITED is Australia's largest electricity and gas utility company that provides to consumers across Australia and it has more than 3.6 million customer accounts. Headquarters is in Sydney, Ausralia.

    Company Website
    AGL - Electricity Provider in Australia
    Wikipedia
    Wikipedia

  6. USA Compression Partners Lp

    World Rank (Aug-2026)
    4,280
    Market Cap (Aug-2026)
    3.858 Billion USD
    World Rank (Jan-05-2024)
    5,078
    Market Cap (Jan-05-2024)
    2.401 Billion USD
    World Rank (Jul-30-2023)
    5,890
    Market Cap (Jul-30-2023)
    1.926 Billion USD
    World Rank (Dec-25-2022)
    5,626
    Market Cap (Dec-25-2022)
    1.894 Billion USD
    World Rank (Jan-07-2022)
    6,999
    Market Cap (Jan-07-2022)
    1.68 Billion USD
    Annual Revenue in USD
    998 Million USD
    Annual Operating Income in USD
    307 Million USD
    Annual Net Income in USD
    111 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile
    USA Compression Partners is a third party provider of mission critical compression services to customers across the Oil and Gas Industry. It also provide specialized compression applications aiding in the production of crude oil and has 3.7 million of compression fleet horsepower, making it one of the nation largest independent providers of natural gas compression services. The headquarters is in USA.
    Company Website
    USA COMPRESSION PARTNERS LP

  7. China Suntien Green Energy Corporation

    World Rank (Aug-2026)
    4,640
    Market Cap (Aug-2026)
    3.432 Billion USD
    World Rank (Jan-05-2024)
    3,988
    Market Cap (Jan-05-2024)
    3.387 Billion USD
    World Rank (Jul-30-2023)
    3,843
    Market Cap (Jul-30-2023)
    3.582 Billion USD
    World Rank (Dec-25-2022)
    3,342
    Market Cap (Dec-25-2022)
    3.898 Billion USD
    World Rank (Jan-07-2022)
    2,666
    Market Cap (Jan-07-2022)
    6.49 Billion USD
    Annual Revenue in USD
    2,509 Million USD
    Annual Net Income in USD
    339 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ HongKong
    Company Profile
    CHINA SUNTIEN GREEN ENERGY CORPORATION business is related to selling natural gas and wind power generation. The headquarters is in China.
    Company Website
    CHINA SUNTIEN GREEN ENERGY CORPORATION

  8. Mainova AG

    World Rank (Aug-2026)
    4,723
    Market Cap (Aug-2026)
    3.329 Billion USD
    World Rank (Jan-05-2024)
    4,973
    Market Cap (Jan-05-2024)
    2.487 Billion USD
    World Rank (Jul-30-2023)
    4,397
    Market Cap (Jul-30-2023)
    2.959 Billion USD
    World Rank (Dec-25-2022)
    4,301
    Market Cap (Dec-25-2022)
    2.805 Billion USD
    World Rank (Jan-07-2022)
    4,225
    Market Cap (Jan-07-2022)
    3.62 Billion USD
    Annual Revenue in USD
    7,883 Million USD
    Annual Operating Income in USD
    -623 Million USD
    Annual Net Income in USD
    -204 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Germany
    Yahoo @ Frankfurt
    Company Profile
    Provides water utilities, gas utilities and electric utilites. Headquarters is in Frankfurt, Germany.
    Company Website
    MAINOVA AG

  9. Chesapeake Utilities Corporation

    World Rank (Aug-2026)
    4,793
    Market Cap (Aug-2026)
    3.257 Billion USD
    World Rank (Jan-05-2024)
    5,146
    Market Cap (Jan-05-2024)
    2.353 Billion USD
    World Rank (Jul-30-2023)
    5,545
    Market Cap (Jul-30-2023)
    2.106 Billion USD
    World Rank (Dec-25-2022)
    5,246
    Market Cap (Dec-25-2022)
    2.120 Billion USD
    World Rank (Jan-07-2022)
    5,538
    Market Cap (Jan-07-2022)
    2.45 Billion USD
    Annual Revenue in USD
    930 Million USD
    Annual Operating Income in USD
    256 Million USD
    Annual Net Income in USD
    140 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile
    Chesapeake Utilities Corporation is a Diversified Energy company. The company energy businesses include its propane distribution operations, mobile gas transport services, natural gas infrastructure in Ohio and a combined heat and power plant on Amelia Island in Florida. The headquarters is in USA.
    Facts About Company
    As of December 2020, Chesapeake Utilities Corporation had 947 employees,
    Company Website
    CHESAPEAKE UTILITIES CORPORATION

  10. MGE Energy

    World Rank (Aug-2026)
    4,959
    Market Cap (Aug-2026)
    3.088 Billion USD
    World Rank (Jan-05-2024)
    4,783
    Market Cap (Jan-05-2024)
    2.636 Billion USD
    World Rank (Jul-30-2023)
    4,477
    Market Cap (Jul-30-2023)
    2.890 Billion USD
    World Rank (Dec-25-2022)
    4,568
    Market Cap (Dec-25-2022)
    2.591 Billion USD
    World Rank (Jan-07-2022)
    4,945
    Market Cap (Jan-07-2022)
    2.92 Billion USD
    Annual Revenue in USD
    744 Million USD
    Annual Operating Income in USD
    171 Million USD
    Annual Net Income in USD
    136 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ Nasdaq
    Company Profile

    Electric utility and natural gas distribution company. Headquarters is in USA. Produces electricity as well.

    Company Website
    MGE ENERGY INC
    Wikipedia
    Wikipedia

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