1. Acadechem Company Limited
2. ARPADIS BENELUX NV
3. Azelis Americas
LLC
4. BASF SE
5. Biosynth International Inc.
6. Cathay Biotech Inc.
7. ChemCeed LLC
8. Corvay GmbH
9. Haihang Industry Co. Ltd.
10. Hairui Chemical
11. INVISTA
12. LGC Limited
13. Merck KGaA
14. Muscat chemical
15. Santa Cruz Biotechnology Inc.
16. Selleck Chemicals
17. Shandong Guangtong New Materials Co. Ltd.
18. Spectrum Laboratory Products
Inc
19. Thermo Fisher Scientific Inc.
20. Tokyo Chemical Industry Co. Ltd.
21. Toronto Research Chemicals Inc
22. UBE Corporation
23. Verdezyne
Inc
24. VWR International
LLC
25. Zibo Guangtong Chemical Co. Ltd