1. 3M Company
2. Applied Membranes Inc.
3. Aquaporin A/S
4. Asahi Kasei Corporation
5. BASF SE
6. Celgard LLC
7. DuPont de Nemours Inc.
8. Evoqua Water Technologies LLC
9. Filtration Group Company
10. General Electric Company
11. Hyflux Ltd.
12. Ion Exchange (India) Limited
13. Koch Separation Solutions
14. Lanxess AG
15. Lenntech BV
16. LG Chem
Ltd.
17. Menardi Filters
18. Merck KGaA
19. Mitsubishi Chemical Corporation
20. Nitto Denko Corporation
21. Novasep Holding SAS
22. Osmotech Membranes Pvt. Ltd.
23. Pall Corporation
24. Parker-Hannifin Corporation
25. Pentair PLC
26. RM Nanotech
27. Synder Filtration Inc.
28. The Dow Chemical Company
29. Toray Industries Inc.
30. Xylem Inc.