1. Asahi Kasei Corporation
2. Ascend Performance Materials LLC
3. BASF SE
4. Domo Chemicals GmbH
5. Emco Dyestuff Pvt Ltd
6. Evonik Industries AG
7. Genomatica Inc.
8. Huafeng Group
9. Invista
10. Koninklijke DSM N.V.
11. Lanxess AG
12. Liaoyang Tianhua Chemical Co. Ltd.
13. Merck KGaA
14. Pon Pure Chemicals Group
15. Radici Partecipazioni SpA
16. Shandong Hongye Chemical Group Co. Ltd,
17. Shanghai Guanru Chemical Co. Ltd
18. Shenma Industrial Co. Ltd
19. Solvay S.A.
20. Sumitomo Chemical Co. Ltd
21. Tangshan Zhonghao Chemical Co. Ltd
22. Tokyo Chemical Industry Co. Ltd.
23. TORAY INDUSTRIES Inc.
24. Vizag Chemical International
25. Zhengzhou Meiya Chemical Products Co.Ltd