1. Akzo Nobel N.V.
2. Alfa Chemical Co. Ltd.
3. Avantor Inc. by VWR International
LLC
4. Baoji Guokang Bio-Technology Co.Ltd.
5. Biolla Chemicals GmbH
6. Clinivex Group
7. Dongying J&M Chemical Co. Ltd.
8. Hefei TNJ Chemical Industry Co.Ltd.
9. MainChem
10. Merck KGaA
11. Parchem Fine & Specialty Chemicals Inc.
12. SACHEM Inc.
13. Shandong Tiancheng Chemical Co. Ltd
14. Shandong Zhishang Chemical Co. Ltd.
15. SKW QUAB Chemicals Inc.
16. Spectrum Laboratory Products Inc.
17. The Dow Chemical Company
18. Thermo Fisher Scientific Inc.
19. Tokyo Chemical Industry Co. Ltd.
20. TRC Inc.