1. Air Products and Chemicals Inc.
2. Alfa Chemicals
3. BASF SE
4. Biesterfeld AG
5. Covestro AG
6. DURA Chemicals Inc.
7. Evonik Industries AG
8. Gulbrandsen
9. Huntsman International LLC
10. Kao Corporation
11. Lanxess AG
12. MAPEI S.p.A.
13. Merck KGaA
14. Mitsui Chemicals Inc.
15. Momentive Performance Materials Inc.
16. PATCHAM
17. SEHOTECH Inc.
18. Shanghai Dimonds Chemical Technology Co. Ltd.
19. Sinocure Chemical Group Co.Limited
20. Solvay S.A.
21. The Chemours Company
22. The Dow Chemical Company
23. Tokyo Chemical Industry Co. Ltd.
24. Tosoh Europe B.V.
25. Umicore