1. Anhui Samsung Resin Co. Ltd.
2. Aqua Filsep Inc.
3. Aqua Solutions Inc.
4. Bio-Rad Laboratories Inc.
5. Doshion Polyscience Pvt. Ltd.
6. DuPont de Nemours Inc.
7. Ecolab Inc.
8. Eichrom Technologies Inc.
9. Evoqua Water Technologies LLC
10. Hilliard Corporation
11. IDRECO S.r.l.
12. Ion Exchange (India) Ltd.
13. Jacobi Carbons AB
14. Lanxess AG
15. Mitsubishi Chemical Corporation
16. Novasep Holding SAS
17. Otto Chemie Pvt. Ltd.
18. Pure Resin Co. Ltd.
19. Resintech Inc.
20. Samyang Corporation
21. Scientific Polymer Products Inc.
22. Sunresin New Materials Co. Ltd.
23. Suqing Group
24. Suzhou Bojie Resin Technology Co. Ltd.
25. Thermax Limited