Top Energy Companies in Canada List by Market Cap as of August 2026

Top Energy Companies in Canada List by Market Cap as of August 2026. Biggest and Top Energy Companies in Canada Companies by Market Cap. Largest Top Energy Companies in Canada List by Market Cap as of August 2026.
Top Energy Companies in Canada
Top Energy Companies in Canada, Biggest Energy Companies in Canada, Largest Energy Companies in Canada.

  1. 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.

  2. Whitecap Resources

    World Rank (Aug-2026)
    1,485
    Market Cap (Aug-2026)
    16.037 Billion USD
    World Rank (Jan-05-2024)
    3,446
    Market Cap (Jan-05-2024)
    4.082 Billion USD
    World Rank (Jul-30-2023)
    3,056
    Market Cap (Jul-30-2023)
    4.836 Billion USD
    World Rank (Dec-25-2022)
    2,871
    Market Cap (Dec-25-2022)
    4.721 Billion USD
    World Rank (Jan-07-2022)
    3,911
    Market Cap (Jan-07-2022)
    3.99 Billion USD
    Annual Revenue in USD
    3,608 Million USD
    Annual Operating Income in USD
    1,352 Million USD
    Annual Net Income in USD
    1,265 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile

    Whitecap Resources is a Gas and Oil Weighted Growth company. It operates in three ways they are core areas, reserve information and marketing. The energy industry is using technology and innovation to reduce greenhouse gas emissions intensity and fresh water use while restoring their land base. It is the third largest oil production company. The headquarters is in Canada.

    Company Website
    WHITECAP RESOURCES

  3. Emera

    World Rank (Aug-2026)
    1,548
    Market Cap (Aug-2026)
    15.414 Billion USD
    World Rank (Jan-05-2024)
    1,586
    Market Cap (Jan-05-2024)
    10.448 Billion USD
    World Rank (Jul-30-2023)
    1,552
    Market Cap (Jul-30-2023)
    11.124 Billion USD
    World Rank (Dec-25-2022)
    1,491
    Market Cap (Dec-25-2022)
    10.327 Billion USD
    World Rank (Jan-07-2022)
    1,577
    Market Cap (Jan-07-2022)
    12.47 Billion USD
    Annual Revenue in USD
    5,727 Million USD
    Annual Operating Income in USD
    1,285 Million USD
    Annual Net Income in USD
    713 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Stock Category
    TSX 60
    Yahoo @ Toronto
    Company Profile

    Emera companies are working to create cleaner energy and deliver it to market. Headquarters is in Nova Scotia, Canada.

    Company Website
    EMERA INCORPORATED
    Wikipedia
    Wikipedia

  4. ARC Resources

    World Rank (Aug-2026)
    1,684
    Market Cap (Aug-2026)
    13.928 Billion USD
    World Rank (Jan-05-2024)
    1,778
    Market Cap (Jan-05-2024)
    9.158 Billion USD
    World Rank (Jul-30-2023)
    1,794
    Market Cap (Jul-30-2023)
    9.198 Billion USD
    World Rank (Dec-25-2022)
    1,716
    Market Cap (Dec-25-2022)
    8.700 Billion USD
    World Rank (Jan-07-2022)
    2,558
    Market Cap (Jan-07-2022)
    6.82 Billion USD
    Annual Revenue in USD
    7,435 Million USD
    Annual Operating Income in USD
    3,037 Million USD
    Annual Net Income in USD
    1,738 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile

    Oil and Gas company with headquarters is in Canada.

    Company Website
    ARC RESOURCES LTD.
    Wikipedia
    Wikipedia

  5. Keyera

    World Rank (Aug-2026)
    1,851
    Market Cap (Aug-2026)
    12.509 Billion USD
    World Rank (Jan-05-2024)
    2,729
    Market Cap (Jan-05-2024)
    5.476 Billion USD
    World Rank (Jul-30-2023)
    2,669
    Market Cap (Jul-30-2023)
    5.647 Billion USD
    World Rank (Dec-25-2022)
    2,741
    Market Cap (Dec-25-2022)
    4.956 Billion USD
    World Rank (Jan-07-2022)
    3,263
    Market Cap (Jan-07-2022)
    5.05 Billion USD
    Annual Revenue in USD
    5,329 Million USD
    Annual Operating Income in USD
    604 Million USD
    Annual Net Income in USD
    248 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile

    KEYERA provides services to Oil and Gas sector companies to store and transport oil and gas. This company provides essential services to oil and gas producers in the Western Canada Sedimentary Basin, including NGL gathering and processing, fractionation, storage, transportation, logistics and marketing services. They also provide diluent logistics services for oil sands customer. Headquarters is in Canada.

    Company Website
    KEYERA CORP.
    Wikipedia
    Wikipedia

  6. Altagas

    World Rank (Aug-2026)
    1,931
    Market Cap (Aug-2026)
    11.853 Billion USD
    World Rank (Jan-05-2024)
    2,483
    Market Cap (Jan-05-2024)
    6.159 Billion USD
    World Rank (Jul-30-2023)
    2,726
    Market Cap (Jul-30-2023)
    5.514 Billion USD
    World Rank (Dec-25-2022)
    2,789
    Market Cap (Dec-25-2022)
    4.875 Billion USD
    World Rank (Jan-07-2022)
    2,906
    Market Cap (Jan-07-2022)
    5.83 Billion USD
    Annual Revenue in USD
    10,633 Million USD
    Annual Operating Income in USD
    701 Million USD
    Annual Net Income in USD
    301 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile

    AltaGas, a Canadian corporation, is a North American energy infrastructure business with a focus on owning and operating assets to provide clean and affordable energy to its customers. They had businesses in midstream and natural gas distribution. Headquarters is in Canada.

    Company Website
    ALTAGAS LTD.
    Wikipedia
    Wikipedia

  7. Capital Power Corporation

    World Rank (Aug-2026)
    2,560
    Market Cap (Aug-2026)
    8.138 Billion USD
    World Rank (Jan-05-2024)
    4,072
    Market Cap (Jan-05-2024)
    3.298 Billion USD
    World Rank (Jul-30-2023)
    3,807
    Market Cap (Jul-30-2023)
    3.626 Billion USD
    World Rank (Dec-25-2022)
    3,223
    Market Cap (Dec-25-2022)
    4.057 Billion USD
    World Rank (Jan-07-2022)
    4,317
    Market Cap (Jan-07-2022)
    3.53 Billion USD
    Annual Revenue in USD
    1,351 Million USD
    Annual Net Income in USD
    75 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile
    Power generation company with headquarters is in Canada.
    Company Website
    CAPITAL POWER CORPORATION
    Wikipedia
    Wikipedia

  8. Husky Energy

    World Rank (Aug-2026)
    2,942
    World Rank (Jan-05-2024)
    2,942
    World Rank (Jul-30-2023)
    2,942
    World Rank (Dec-25-2022)
    2,942
    World Rank (Jan-07-2022)
    2,942
    Headquarters Country
    Canada
    Company Profile
    Canada based Energy, Oil and Gas Company.
    Company Website
    Husky Energy
    Wikipedia
    Wikipedia

  9. Prairiesky Royalty

    World Rank (Aug-2026)
    3,297
    Market Cap (Aug-2026)
    5.750 Billion USD
    World Rank (Jan-05-2024)
    3,372
    Market Cap (Jan-05-2024)
    4.195 Billion USD
    World Rank (Jul-30-2023)
    3,131
    Market Cap (Jul-30-2023)
    4.720 Billion USD
    World Rank (Dec-25-2022)
    3,394
    Market Cap (Dec-25-2022)
    3.850 Billion USD
    World Rank (Jan-07-2022)
    5,299
    Market Cap (Jan-07-2022)
    2.65 Billion USD
    Annual Revenue in USD
    485 Million USD
    Annual Operating Income in USD
    328 Million USD
    Annual Net Income in USD
    239 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile
    Company having royalties on Crude Oil and Gas.
    Company Website
    PRAIRIESKY ROYALTY LTD.

  10. 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

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