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

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

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

  1. Tgs-Nopec Geophysical Company ASA

    World Rank (Aug-2026)
    5,138
    Market Cap (Aug-2026)
    2.896 Billion USD
    World Rank (Jan-05-2024)
    6,385
    Market Cap (Jan-05-2024)
    1.650 Billion USD
    World Rank (Jul-30-2023)
    6,462
    Market Cap (Jul-30-2023)
    1.655 Billion USD
    World Rank (Dec-25-2022)
    6,340
    Market Cap (Dec-25-2022)
    1.582 Billion USD
    World Rank (Jan-07-2022)
    8,412
    Market Cap (Jan-07-2022)
    1.22 Billion USD
    Annual Revenue in USD
    518 Million USD
    Annual Net Income in USD
    -75 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Norway
    Yahoo @ Frankfurt
    Company Profile

    TGS-NOPEC Geophysical Company ASA is a leading energy data and intelligence company known for its asset light, multi client business model and global data collection. It has approximately 450 employees as on 2021. The company annual revenue is 319 million NOK and total assets are 2,015 million NOK as on 2020. The headquarters is in Norway.

    Company Website
    TGS-NOPEC GEOPHYSICAL COMPANY ASA

  2. Select Energy Services

    World Rank (Aug-2026)
    5,148
    Market Cap (Aug-2026)
    2.889 Billion USD
    World Rank (Jan-05-2024)
    9,111
    Market Cap (Jan-05-2024)
    0.906 Billion USD
    World Rank (Jul-30-2023)
    9,103
    Market Cap (Jul-30-2023)
    0.930 Billion USD
    World Rank (Dec-25-2022)
    8,202
    Market Cap (Dec-25-2022)
    1.035 Billion USD
    World Rank (Jan-07-2022)
    11,238
    Market Cap (Jan-07-2022)
    0.73 Billion USD
    Annual Revenue in USD
    1,407 Million USD
    Annual Operating Income in USD
    29 Million USD
    Annual Net Income in USD
    21 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile
    Select Energy Services is a Provider of total Water Solutions to customers that include major integrated Oil companies and independent Oil and Gas Producers company. It services are offered through three divisions they are water solutions, water infrastructure and oilfield chemicals. The headquarters is in USA.
    Company Website
    SELECT ENERGY SERVICES INC

  3. Cosan

    World Rank (Aug-2026)
    5,156
    Market Cap (Aug-2026)
    2.882 Billion USD
    World Rank (Jan-05-2024)
    2,176
    Market Cap (Jan-05-2024)
    7.238 Billion USD
    World Rank (Jul-30-2023)
    2,072
    Market Cap (Jul-30-2023)
    7.718 Billion USD
    World Rank (Dec-25-2022)
    2,333
    Market Cap (Dec-25-2022)
    6.011 Billion USD
    World Rank (Jan-07-2022)
    2,716
    Market Cap (Jan-07-2022)
    6.32 Billion USD
    Annual Revenue in USD
    8,401 Million USD
    Annual Operating Income in USD
    1,236 Million USD
    Annual Net Income in USD
    249 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Brazil
    Company Profile

    Brazil based conglomerate company having business segments of Fuel Distribution, Cane Sugar Production and Marketing, Natura Gas Distribution, Lubricant Oil production and apart from this it involved in logistics as well by owning and maintaining 7500 kilometers of railroad.

    • Cosan produces 4 million tons of sugar per year and it has 26 mills.
    • Cosan produces 2 billion liters of ethanol per anum.
    Company Website
    COSAN
    Wikipedia
    Wikipedia

  4. International Petroleum Corporation

    World Rank (Aug-2026)
    5,163
    Market Cap (Aug-2026)
    2.877 Billion USD
    World Rank (Jan-05-2024)
    6,821
    Market Cap (Jan-05-2024)
    1.481 Billion USD
    World Rank (Jul-30-2023)
    7,943
    Market Cap (Jul-30-2023)
    1.174 Billion USD
    World Rank (Dec-25-2022)
    6,307
    Market Cap (Dec-25-2022)
    1.595 Billion USD
    World Rank (Jan-07-2022)
    9,862
    Market Cap (Jan-07-2022)
    0.93 Billion USD
    Headquarters Country
    Canada
    Yahoo @ Toronto
    Company Profile
    Oil and Gas exploration and production company with headquarters is in Canada.
    Company Website
    INTERNATIONAL PETROLEUM CORPORATION

  5. Delek Logistics Partners Lp

    World Rank (Aug-2026)
    5,169
    Market Cap (Aug-2026)
    2.873 Billion USD
    World Rank (Jan-05-2024)
    5,777
    Market Cap (Jan-05-2024)
    1.944 Billion USD
    World Rank (Jul-30-2023)
    5,625
    Market Cap (Jul-30-2023)
    2.055 Billion USD
    World Rank (Dec-25-2022)
    5,414
    Market Cap (Dec-25-2022)
    2.021 Billion USD
    World Rank (Jan-07-2022)
    6,606
    Market Cap (Jan-07-2022)
    1.85 Billion USD
    Annual Revenue in USD
    1,013 Million USD
    Annual Operating Income in USD
    182 Million USD
    Annual Net Income in USD
    176 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile
    Delek Logistics Partners LP is a Growth Oriented Publicly Traded Master Limited Partnership own, operate, acquire and construct crude oil and refined products logistics and marketing assets company. The company annual revenue is 142.3 million USD. The headquarters is in USA.
    Company Website
    DELEK LOGISTICS PARTNERS LP

  6. China Petroleum Engineering Corporation

    World Rank (Aug-2026)
    5,231
    Market Cap (Aug-2026)
    2.808 Billion USD
    World Rank (Jan-05-2024)
    5,057
    Market Cap (Jan-05-2024)
    2.415 Billion USD
    World Rank (Jul-30-2023)
    4,210
    Market Cap (Jul-30-2023)
    3.150 Billion USD
    World Rank (Dec-25-2022)
    4,802
    Market Cap (Dec-25-2022)
    2.397 Billion USD
    World Rank (Jan-07-2022)
    5,101
    Market Cap (Jan-07-2022)
    2.80 Billion USD
    Annual Revenue in USD
    11,617 Million USD
    Annual Net Income in USD
    67 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ Shanghai
    Company Profile
    CHINA PETROLEUM ENGINEERING CORPORATION is a professional company specialized in oil engineering, manufacturing, construction and lump sum contracting. The headquarters is in China.
    Company Website
    CHINA PETROLEUM ENGINEERING CORPORATION

  7. TC Pipelines Lp

    World Rank (Aug-2026)
    5,231
    World Rank (Jan-05-2024)
    5,231
    World Rank (Jul-30-2023)
    5,231
    World Rank (Dec-25-2022)
    5,231
    World Rank (Jan-07-2022)
    5,231
    Annual Net Income in USD
    284 Million USD
    Annual Results for Period Ending
    For year ending December-2020
    Headquarters Country
    USA
    Company Profile

    TC PipeLines LP is a Natural Gas Infrastructure company. It demand continues to increase as electrical generation, industrial sectors and residential users seek increased use of cleaner burning natural gas for their power, heating and cooling needs. The company is having more than 7,300 TC Energy employees make a positive difference in the communities where the company operates across Canada, the U.S. and Mexico. The headquarters is in USA.

    Company Website
    TC PIPELINES LP

  8. Nanjing Tanker Corporation

    World Rank (Aug-2026)
    5,277
    Market Cap (Aug-2026)
    2.765 Billion USD
    World Rank (Jan-05-2024)
    5,580
    Market Cap (Jan-05-2024)
    2.052 Billion USD
    World Rank (Jul-30-2023)
    5,477
    Market Cap (Jul-30-2023)
    2.150 Billion USD
    World Rank (Dec-25-2022)
    4,462
    Market Cap (Dec-25-2022)
    2.667 Billion USD
    World Rank (Jan-07-2022)
    7,266
    Market Cap (Jan-07-2022)
    1.57 Billion USD
    Annual Revenue in USD
    562 Million USD
    Annual Net Income in USD
    43 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    China
    Yahoo @ Shanghai
    Company Website
    NANJING TANKER CORPORATION

  9. Dialog Group Berhad

    World Rank (Aug-2026)
    5,315
    Market Cap (Aug-2026)
    2.737 Billion USD
    World Rank (Jan-05-2024)
    4,912
    Market Cap (Jan-05-2024)
    2.534 Billion USD
    World Rank (Jul-30-2023)
    4,593
    Market Cap (Jul-30-2023)
    2.790 Billion USD
    World Rank (Dec-25-2022)
    4,269
    Market Cap (Dec-25-2022)
    2.833 Billion USD
    World Rank (Jan-07-2022)
    4,450
    Market Cap (Jan-07-2022)
    3.38 Billion USD
    Annual Revenue in USD
    360 Million USD
    Annual Net Income in USD
    122 Million USD
    Annual Results for Period Ending
    Jun-2021 ending year
    Headquarters Country
    Malaysia
    Company Profile
    Dialog Group Berhad is the leading integrated technical service company focused on provider to the upstream, midstream and downstream sectors in the oil, gas and petrochemical industry. The company annual revenue is 1,609 million MYR and annual net income is 543 million MYR as on 2021. The headquarters is in Malaysia.
    Company Website
    DIALOG GROUP BERHAD

  10. Oasis Petroleum

    World Rank (Aug-2026)
    5,323
    World Rank (Jan-05-2024)
    5,323
    World Rank (Jul-30-2023)
    5,323
    World Rank (Dec-25-2022)
    5,323
    World Rank (Jan-07-2022)
    5,323
    Market Cap (Jan-07-2022)
    2.63 Billion USD
    Annual Revenue in USD
    4,877 Million USD
    Annual Operating Income in USD
    197 Million USD
    Annual Net Income in USD
    44 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Company Profile
    Oasis Petroleum is an Independent Oil and Gas Exploration and Petroleum company. It is the majority owner of Oasis Midstream Partners formed to provide a collection of services including gas gathering and processing, saltwater gathering and disposal services, freshwater services and crude oil gathering and transport services to Oasis and third parties. The headquarters is in USA.
    Company Website
    OASIS PETROLEUM INC

Share