1. Anhui Sunsing Chemicals Co. Ltd.
2. BASF SE
3. BioAmber Inc.
4. Corbion N.V.
5. Ernesto Ventos S.A.
6. Koninklijke DSM N.V.
7. Merck KGaA
8. Mitsubishi Chemical Group
9. NIPPON SHOKUBAI CO. LTD.
10. R-Biopharm AG
11. Reverdia V.O.F.
12. S.S. Pharmachem
13. Showa Denko K.K.
14. Spectrum Laboratory Products Inc.
15. Thirumalai Chemicals Limited