1. Akzo Nobel N.V.
2. Ashland Inc.
3. Baker Hughes Company
4. BASF SE
5. Chemtex Speciality Ltd.
6. Chevron Phillips Chemical Company LLC
7. Clariant AG
8. Dow Inc.
9. DuPont Inc.
10. Halliburton Energy Services Inc.
11. Innospec Inc.
12. Italmatch Chemicals S.p.A
13. Kemira Oyj
14. NuGenTec LLC
15. ProFlow Solutions LLC
16. Schlumberger Limited
17. Shandong IRO Water Treatment Co. Ltd.
18. Solvay S.A
19. The Lubrizol Corporation
20. TotalEnergies SE
21. Trublu Technologies Pvt Ltd