1. Akzo Nobel N.V.
2. Ashland Inc.
3. Celotech Chemical Co. Ltd.
4. Chemcolloids Ltd.
5. CRS Chemicals
6. Daicel Corporation
7. Merck KGaA
8. Shin-Etsu Chemical Co. Ltd.
9. Sidley Chemical Co.Ltd
10. SLEOCHEM
11. Spectrum Chemical Mfg. Corp.
12. The Dow Chemical Company
13. Tokyo Chemical Industry Co. Ltd.
14. Wuxi Sanyou New Material Technology Co. Ltd.
15. Yil-Long Chemical Group Ltd.