1. ACE CHEMICAL CORP.
2. Adeka Corporation
3. AKPA KIMYA
4. Akzonobel N.V.
5. Arkema S.A.
6. Ashland Inc.
7. BASF SE
8. Chinasun Specialty Products Co. Ltd.
9. Hodogaya Chemical Co. Ltd.
10. Jiangsu Qiangsheng Chemical Co. Ltd.
11. Merck KGaA
12. Mitsubishi Gas Chemical Company Inc.
13. MPI Chemie BV
14. NOF Corporation
15. Nouryon Chemicals Holding B.V.
16. Pergan
17. Plasti Pigments Pvt. Ltd.
18. R.T. Vanderbilt Holding Company Inc.
19. ROMA CHEMICALS
20. SANTOKU CHEMICAL INDUSTRIES Co. Ltd.
21. Solvay S.A.
22. Suzhou Hualun Chemical Co. Ltd.
23. UBE Corporation
24. United Initiators GmbH
25. Vanderbilt Chemicals
LLC
26. Vizag chemical
27. Yamamoto Chamicals Inc.