1. Acuro Organics Limited
2. APCHEM
3. Aquapharm Chemicals Pvt. Ltd.
4. Arkema S.A.
5. BASF SE
6. Biesterfeld AG
7. Changzhou Kewei Fine Chemicals Co. Ltd.
8. Changzhou Yuanquan Hongguang Chemical Co. Ltd.
9. Excel Industries Ltd.
10. Hach Company
11. Italmatch Chemicals S.p.A
12. Krunal Group
13. LANXESS AG
14. Link Software & Systems Pvt. Ltd.
15. Merck KGaA
16. Nouryon Chemicals Holding B.V.
17. SGS S.A.
18. Shandong Kairui Chemistry Co. Ltd.
19. Shandong Xintai Water Treatment Technology Co. Ltd.
20. The Dow Chemical Company
21. Tokyo Chemical Industry Co. Ltd.
22. ZEEL PRODUCT
23. Zouping Dongfang Chemical Industry Co. Ltd.
24. Zschimmer & Schwarz Chemie GmbH