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

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

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

  1. Fortune Brands Innovations Inc.

    World Rank (Aug-2026)
    3,315
    Market Cap (Aug-2026)
    5.711 Billion USD
    World Rank (Jan-05-2024)
    1,754
    Market Cap (Jan-05-2024)
    9.350 Billion USD
    World Rank (Jul-30-2023)
    1,814
    Market Cap (Jul-30-2023)
    9.089 Billion USD
    World Rank (Dec-25-2022)
    1,981
    Market Cap (Dec-25-2022)
    7.275 Billion USD
    World Rank (Jan-07-2022)
    1,461
    Market Cap (Jan-07-2022)
    13.75 Billion USD
    Annual Revenue in USD
    4,463 Million USD
    Annual Operating Income in USD
    516 Million USD
    Annual Net Income in USD
    299 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Nicholas Fink
    Company Profile

    Fortune Brands Innovations, Inc. provides water, outdoor, and security products, including water management, connected products, outdoor living, material conversion, sustainability, safety, and wellness. The company's portfolio of brands comprising Moen, House of Rohl, Aqualisa, Therma-Tru, Larson, Fiberon, Master Lock, and SentrySafe. Fortune Brands is a Fortune 500 company. Headquarters is in USA.

    FORTUNE BRANDS HOME & SECURITY renamed its company name to FORTUNE BRANDS INNOVATIONS.

    Company Website
    FORTUNE BRANDS INNOVATIONS, INC.
    Wikipedia
    Wikipedia

  2. Acea Spa

    World Rank (Aug-2026)
    3,394
    Market Cap (Aug-2026)
    5.482 Billion USD
    World Rank (Jan-05-2024)
    4,096
    Market Cap (Jan-05-2024)
    3.282 Billion USD
    World Rank (Jul-30-2023)
    4,504
    Market Cap (Jul-30-2023)
    2.866 Billion USD
    World Rank (Dec-25-2022)
    4,097
    Market Cap (Dec-25-2022)
    2.984 Billion USD
    World Rank (Jan-07-2022)
    3,666
    Market Cap (Jan-07-2022)
    4.31 Billion USD
    Annual Revenue in USD
    4,381 Million USD
    Annual Net Income in USD
    345 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Italy
    Yahoo @ Italy
    Company Profile
    Water utility and electric utility company with headquarters is in Italy.
    Company Website
    ACEA

  3. 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

  4. Companhia de Saneamento de Minas Gerais

    World Rank (Aug-2026)
    4,180
    Market Cap (Aug-2026)
    4.019 Billion USD
    World Rank (Jan-05-2024)
    6,576
    Market Cap (Jan-05-2024)
    1.578 Billion USD
    World Rank (Jul-30-2023)
    6,530
    Market Cap (Jul-30-2023)
    1.625 Billion USD
    World Rank (Dec-25-2022)
    7,708
    Market Cap (Dec-25-2022)
    1.152 Billion USD
    World Rank (Jan-07-2022)
    10,797
    Market Cap (Jan-07-2022)
    0.78 Billion USD
    Annual Revenue in USD
    1,160 Million USD
    Annual Net Income in USD
    106 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Brazil
    Yahoo @ Brazil
    Company Website
    COMPANHIA DE SANEAMENTO DE MINAS GERAIS

  5. Grandblue Environment

    World Rank (Aug-2026)
    4,540
    Market Cap (Aug-2026)
    3.550 Billion USD
    World Rank (Jan-05-2024)
    5,694
    Market Cap (Jan-05-2024)
    1.995 Billion USD
    World Rank (Jul-30-2023)
    5,487
    Market Cap (Jul-30-2023)
    2.141 Billion USD
    World Rank (Dec-25-2022)
    5,405
    Market Cap (Dec-25-2022)
    2.026 Billion USD
    World Rank (Jan-07-2022)
    5,096
    Market Cap (Jan-07-2022)
    2.80 Billion USD
    Annual Revenue in USD
    1,714 Million USD
    Annual Net Income in USD
    169 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ Shanghai
    Company Website
    GRANDBLUE ENVIRONMENT

  6. American States Water Company

    World Rank (Aug-2026)
    4,562
    Market Cap (Aug-2026)
    3.526 Billion USD
    World Rank (Jan-05-2024)
    4,440
    Market Cap (Jan-05-2024)
    2.941 Billion USD
    World Rank (Jul-30-2023)
    4,112
    Market Cap (Jul-30-2023)
    3.257 Billion USD
    World Rank (Dec-25-2022)
    3,671
    Market Cap (Dec-25-2022)
    3.464 Billion USD
    World Rank (Jan-07-2022)
    4,208
    Market Cap (Jan-07-2022)
    3.64 Billion USD
    Annual Revenue in USD
    137 Million USD
    Annual Operating Income in USD
    203 Million USD
    Annual Net Income in USD
    130 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    American States Water Company is the Parent of Golden State Water Company. The company serving over one million people in nine states provides water service to approximately 2,61,000 customer connections located within more than 80 communities and distributes electricity to approximately 24,000 customer connections in the City of Big Bear Lake and surrounding areas in San Bernardino County, California. The headquarters is in USA.

    Company Website
    AMERICAN STATES WATER COMPANY

  7. 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

  8. Chengdu Xingrong Environment

    World Rank (Aug-2026)
    4,902
    Market Cap (Aug-2026)
    3.147 Billion USD
    World Rank (Jan-05-2024)
    4,962
    Market Cap (Jan-05-2024)
    2.495 Billion USD
    World Rank (Jul-30-2023)
    5,163
    Market Cap (Jul-30-2023)
    2.360 Billion USD
    World Rank (Dec-25-2022)
    5,316
    Market Cap (Dec-25-2022)
    2.082 Billion USD
    World Rank (Jan-07-2022)
    4,985
    Market Cap (Jan-07-2022)
    2.89 Billion USD
    Annual Revenue in USD
    980 Million USD
    Annual Net Income in USD
    217 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ Shenzhen
    Company Website
    CHENGDU XINGRONG ENVIRONMENT

  9. California Water Service Group

    World Rank (Aug-2026)
    4,927
    Market Cap (Aug-2026)
    3.117 Billion USD
    World Rank (Jan-05-2024)
    4,427
    Market Cap (Jan-05-2024)
    2.957 Billion USD
    World Rank (Jul-30-2023)
    4,446
    Market Cap (Jul-30-2023)
    2.914 Billion USD
    World Rank (Dec-25-2022)
    3,738
    Market Cap (Dec-25-2022)
    3.387 Billion USD
    World Rank (Jan-07-2022)
    4,286
    Market Cap (Jan-07-2022)
    3.57 Billion USD
    Annual Revenue in USD
    964 Million USD
    Annual Operating Income in USD
    170 Million USD
    Annual Net Income in USD
    128 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    California Water Service Group is a Third Largest Publicly Traded Water Utility in the United States. It is providing high quality water and wastewater services to more than two million people in over 100 communities. The headquarters is in USA.

    Facts About Company

    California Water Service Group annual revenue was 846 million USD, annual operating income was 130 million USD and annual net income was 96 million USD for year ending Dec-2022.

    Company Website
    CALIFORNIA WATER SERVICE GROUP HOLDING

  10. Beijing Capital

    World Rank (Aug-2026)
    4,987
    Market Cap (Aug-2026)
    3.058 Billion USD
    World Rank (Jan-05-2024)
    4,567
    Market Cap (Jan-05-2024)
    2.835 Billion USD
    World Rank (Jul-30-2023)
    4,307
    Market Cap (Jul-30-2023)
    3.050 Billion USD
    World Rank (Dec-25-2022)
    4,157
    Market Cap (Dec-25-2022)
    2.921 Billion USD
    World Rank (Jan-07-2022)
    3,862
    Market Cap (Jan-07-2022)
    4.05 Billion USD
    Annual Revenue in USD
    3,268 Million USD
    Annual Net Income in USD
    336 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ Shanghai
    Company Website
    BEIJING CAPITAL

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