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Top 154 largest Companies in the Oil & Gas Equipment & Services industry in the World by Market Cap

This is the list of the largest public listed companies in the Oil & Gas Equipment & Services industry in the world by market capitalization with links to their reference stock.

World Oil & Gas Equipment & Services Industry Analysis
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Top Oil & Gas Equipment & Services Companies in the World as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 Schlumberger Limited $60.06 B United States US Energy US Oil & Gas Equipment & Services
2 Baker Hughes Company $46.52 B United States US Energy US Oil & Gas Equipment & Services
3 Halliburton Company $25.24 B United States US Energy US Oil & Gas Equipment & Services
4 Tenaris SA $19.73 B Luxembourg Luxembourg Energy Luxembourg Oil & Gas Equipment & Services
5 TechnipFMC plc $19.45 B United Kingdom UK Energy UK Oil & Gas Equipment & Services
6 China Oilfield Services Ltd $9.62 B China Chinese Energy Chinese Oil & Gas Equipment & Services
7 MODEC, Inc. $6.84 B Japan Japanese Energy Japanese Oil & Gas Equipment & Services
8 Gaztransport & Technigaz SA $6.80 B France French Energy French Oil & Gas Equipment & Services
9 Technip Energies N.V. $6.75 B France French Energy French Oil & Gas Equipment & Services
10 NOV Inc. $6.09 B United States US Energy US Oil & Gas Equipment & Services
11 Subsea 7 SA $5.97 B Luxembourg Luxembourg Energy Luxembourg Oil & Gas Equipment & Services
12 Weatherford International plc $5.81 B United States US Energy US Oil & Gas Equipment & Services
13 Saipem SpA $5.75 B Italy Italian Energy Italian Oil & Gas Equipment & Services
14 CNOOC Energy Technology & Services Ltd $5.54 B China Chinese Energy Chinese Oil & Gas Equipment & Services
15 Worley Limited $5.19 B

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas Equipment & Services
16 Royal Vopak N.V. $5.13 B Netherlands Dutch Energy Dutch Oil & Gas Equipment & Services
17 ChampionX Corporation $5.06 B

(July 1, 2025)

 United States US Energy US Oil & Gas Equipment & Services
18 SBM Offshore N.V. $4.89 B Netherlands Dutch Energy Dutch Oil & Gas Equipment & Services
19 Archrock, Inc. $4.67 B United States US Energy US Oil & Gas Equipment & Services
20 Aker ASA $4.41 B

(July 1, 2024)

 Norway Norway Energy Norway Oil & Gas Equipment & Services
21 Offshore Oil Engineering Co. Ltd $3.50 B China Chinese Energy Chinese Oil & Gas Equipment & Services
22 Cactus, Inc. $3.24 B United States US Energy US Oil & Gas Equipment & Services
23 Liberty Oilfield Services Inc. $3.06 B United States US Energy US Oil & Gas Equipment & Services
24 USA Compression Partners, LP $2.92 B United States US Energy US Oil & Gas Equipment & Services
25 Secure Energy Services Inc. $2.78 B Canada Canadian Energy Canadian Oil & Gas Equipment & Services
26 China Petroleum Engineering Corp $2.66 B China Chinese Energy Chinese Oil & Gas Equipment & Services
27 TerraVest Industries Inc. $2.60 B Canada Canadian Energy Canadian Oil & Gas Equipment & Services
28 Tidewater Inc. $2.59 B United States US Energy US Oil & Gas Equipment & Services
29 Oceaneering International, Inc. $2.49 B United States US Energy US Oil & Gas Equipment & Services
30 NOW Inc. $2.48 B United States US Energy US Oil & Gas Equipment & Services

Top Oil & Gas Equipment & Services Companies in the World as of Jan. 01, 2026

1. Schlumberger Limited

Company Profile: Schlumberger Limited
Market Cap (USD): $60.06 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

2. Baker Hughes Company

Company Profile: Baker Hughes Company
Market Cap (USD): $46.52 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

3. Halliburton Company

Company Profile: Halliburton Company
Market Cap (USD): $25.24 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

4. Tenaris SA

Company Profile: Tenaris SA
Market Cap (USD): $19.73 B
Country: Luxembourg
Sector: Luxembourg Energy
Industry: Luxembourg Oil & Gas Equipment & Services

5. TechnipFMC plc

Company Profile: TechnipFMC plc
Market Cap (USD): $19.45 B
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Equipment & Services

6. China Oilfield Services Ltd

Company Profile: China Oilfield Services Ltd
Market Cap (USD): $9.62 B
Country: China
Sector: Chinese Energy
Industry: Chinese Oil & Gas Equipment & Services

7. MODEC, Inc.

Company Profile: MODEC, Inc.
Market Cap (USD): $6.84 B
Country: Japan
Sector: Japanese Energy
Industry: Japanese Oil & Gas Equipment & Services

8. Gaztransport & Technigaz SA

Company Profile: Gaztransport & Technigaz SA
Market Cap (USD): $6.80 B
Country: France
Sector: French Energy
Industry: French Oil & Gas Equipment & Services

9. Technip Energies N.V.

Company Profile: Technip Energies N.V.
Market Cap (USD): $6.75 B
Country: France
Sector: French Energy
Industry: French Oil & Gas Equipment & Services

10. NOV Inc.

Company Profile: NOV Inc.
Market Cap (USD): $6.09 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

11. Subsea 7 SA

Company Profile: Subsea 7 SA
Market Cap (USD): $5.97 B
Country: Luxembourg
Sector: Luxembourg Energy
Industry: Luxembourg Oil & Gas Equipment & Services

12. Weatherford International plc

Company Profile: Weatherford International plc
Market Cap (USD): $5.81 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

13. Saipem SpA

Company Profile: Saipem SpA
Market Cap (USD): $5.75 B
Country: Italy
Sector: Italian Energy
Industry: Italian Oil & Gas Equipment & Services

14. CNOOC Energy Technology & Services Ltd

Company Profile: CNOOC Energy Technology & Services Ltd
Market Cap (USD): $5.54 B
Country: China
Sector: Chinese Energy
Industry: Chinese Oil & Gas Equipment & Services

15. Worley Limited

Company Profile: Worley Limited
Market Cap (USD): $5.19 B (July 1, 2024)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas Equipment & Services

16. Royal Vopak N.V.

Company Profile: Royal Vopak N.V.
Market Cap (USD): $5.13 B
Country: Netherlands
Sector: Dutch Energy
Industry: Dutch Oil & Gas Equipment & Services

17. ChampionX Corporation

Company Profile: ChampionX Corporation
Market Cap (USD): $5.06 B (July 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

18. SBM Offshore N.V.

Company Profile: SBM Offshore N.V.
Market Cap (USD): $4.89 B
Country: Netherlands
Sector: Dutch Energy
Industry: Dutch Oil & Gas Equipment & Services

19. Archrock, Inc.

Company Profile: Archrock, Inc.
Market Cap (USD): $4.67 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

20. Aker ASA

Company Profile: Aker ASA
Market Cap (USD): $4.41 B (July 1, 2024)
Country: Norway
Sector: Norway Energy
Industry: Norway Oil & Gas Equipment & Services

21. Offshore Oil Engineering Co. Ltd

Company Profile: Offshore Oil Engineering Co. Ltd
Market Cap (USD): $3.50 B
Country: China
Sector: Chinese Energy
Industry: Chinese Oil & Gas Equipment & Services

22. Cactus, Inc.

Company Profile: Cactus, Inc.
Market Cap (USD): $3.24 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

23. Liberty Oilfield Services Inc.

Company Profile: Liberty Oilfield Services Inc.
Market Cap (USD): $3.06 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

24. USA Compression Partners, LP

Company Profile: USA Compression Partners, LP
Market Cap (USD): $2.92 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

25. Secure Energy Services Inc.

Company Profile: Secure Energy Services Inc.
Market Cap (USD): $2.78 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas Equipment & Services

26. China Petroleum Engineering Corp

Company Profile: China Petroleum Engineering Corp
Market Cap (USD): $2.66 B
Country: China
Sector: Chinese Energy
Industry: Chinese Oil & Gas Equipment & Services

27. TerraVest Industries Inc.

Company Profile: TerraVest Industries Inc.
Market Cap (USD): $2.60 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas Equipment & Services

28. Tidewater Inc.

Company Profile: Tidewater Inc.
Market Cap (USD): $2.59 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

29. Oceaneering International, Inc.

Company Profile: Oceaneering International, Inc.
Market Cap (USD): $2.49 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

30. NOW Inc.

Company Profile: NOW Inc.
Market Cap (USD): $2.48 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

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