World Top 100 Oil Field Services Companies List by Market Cap as of August 2026

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

World Top Oil Field Services Companies by Market Cap in 2026
World Top Oil Field Services Companies by Market Cap in 2026, World Largest Oil Field Services Companies by Market Cap in 2026.

  1. National Energy Services Reunited

    World Rank (Aug-2026)
    4,436
    Market Cap (Aug-2026)
    3.662 Billion USD
    World Rank (Jan-05-2024)
    10,455
    Market Cap (Jan-05-2024)
    0.712 Billion USD
    World Rank (Jul-30-2023)
    15,800
    Market Cap (Jul-30-2023)
    0.301 Billion USD
    World Rank (Dec-25-2022)
    11,328
    Market Cap (Dec-25-2022)
    0.593 Billion USD
    World Rank (Jan-07-2022)
    9,995
    Market Cap (Jan-07-2022)
    0.90 Billion USD
    Annual Revenue in USD
    1,324 Million USD
    Annual Operating Income in USD
    98 Million USD
    Annual Net Income in USD
    51 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ Nasdaq
    Company Profile

    National Energy Services Reunited is a National Oilfield Services company. It is having over 5,000 employees representing more than 60 nationalities in over 16 countries. The company annual revenue is 199 million USD, annual net income is 11 million USD and 4,000 employees as on 2019. The headquarters is in USA.

    Company Website
    National Energy Services Reunited

  2. Seadrill Limited

    World Rank (Aug-2026)
    5,043
    Market Cap (Aug-2026)
    3.001 Billion USD
    World Rank (Jan-05-2024)
    3,942
    Market Cap (Jan-05-2024)
    3.435 Billion USD
    Headquarters Country
    Bermuda
    Yahoo @ NYSE
    Company Profile

    Provides oil and gas drilling services and headquarters is in Bermuda.

    Company Website
    Seadrill Limited

  3. Odfjell Drilling

    World Rank (Aug-2026)
    7,434
    Market Cap (Aug-2026)
    1.505 Billion USD
    World Rank (Jan-05-2024)
    9,233
    Market Cap (Jan-05-2024)
    0.888 Billion USD
    World Rank (Jul-30-2023)
    10,968
    Market Cap (Jul-30-2023)
    0.664 Billion USD
    World Rank (Dec-25-2022)
    11,294
    Market Cap (Dec-25-2022)
    0.597 Billion USD
    World Rank (Jan-07-2022)
    12,784
    Market Cap (Jan-07-2022)
    0.56 Billion USD
    Annual Revenue in USD
    863 Million USD
    Annual Net Income in USD
    65 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    UK
    Yahoo @ Frankfurt
    Company Profile
    Odfjell Drilling is a Drilling Technology Engineering Services company. It is listed international drilling well service and engineering company with 2500 employees and operations in more than 20 countries. The company currently own and operate a fleet of technologically advanced semi submersibles, operating in the North Sea and beyond. The headquarters is in UK.
    Company Website
    ODFJELL DRILLING

  4. Fugro

    World Rank (Aug-2026)
    8,556
    Market Cap (Aug-2026)
    1.168 Billion USD
    World Rank (Jan-05-2024)
    5,529
    Market Cap (Jan-05-2024)
    2.088 Billion USD
    World Rank (Jul-30-2023)
    5,878
    Market Cap (Jul-30-2023)
    1.936 Billion USD
    World Rank (Dec-25-2022)
    6,960
    Market Cap (Dec-25-2022)
    1.366 Billion USD
    World Rank (Jan-07-2022)
    10,383
    Market Cap (Jan-07-2022)
    0.84 Billion USD
    Headquarters Country
    Netherlands
    Yahoo @ Amsterdam
    Company Profile

    Fugro provides oil field services and equipment, information with headquarters is in Netherlands.

    Company Website
    Fugro

Share