1. Air Liquide S.A.
2. Baker Hughes Company
3. BASF SE
4. BP PLC
5. ChampionX Corporation
6. Chevron Corporation
7. Clariant AG
8. Croda International PLC
9. DuPont de Nemours Inc.
10. ExxonMobil Corporation
11. Halliburton Energy Services Inc.
12. Linde PLC
13. Lukoil Oil Company
14. Petroliam Nasional Berhad
15. Premier Energy Inc.
16. RCS Group of Companies
17. Schlumberger Limited
18. Secure Energy Services Inc.
19. Shell PLC
20. TechnipFMC PLC
21. The Dow Chemical Company
22. Titan Oil Recovery Inc.
23. TotalEnergies SE
24. Ultimate EOR Services
LLC
25. Xytel Corporation