1. Aquaporin A/S
2. Aquatech International LLC
3. Aromatec Pte Ltd.
4. Asahi Kasei Corp.
5. BLUE-tec BV
6. CNM Technologies GmbH
7. Condorchem Envitech by Enviro Solutions
S.L.
8. Digested Organics LLC by Mott Corporation
9. Fluid Technology Solutions Inc.
10. Forward Water Technologies Corp.
11. Goldfinch Engineering Systems Private Limited
12. GreenPebble Technologies LLP
13. GUOCHU TECHNOLOGY (Xiamen) Co. Ltd.
14. Ion Exchange (India) Limited
15. Koch Separation Systems Inc.
16. Lenntech B.V.
17. Lusha Systems Ltd.
18. Membrane Group
19. Modern Water PLC by DeepVerge
20. Moorepark Technology Limited
21. Osmotic Engineering Limited
22. Porifera
23. Pure Water Enterprises Private Limited
24. Shyam Polymers
25. Sterlitech Corporation
26. TEC Square Solutions Inc.
27. Toyobo Co. Ltd.
28. Trevi Systems Inc.
29. Triqua International BV
30. Voltek Water by Endeavour
31. ZNANO MEMBRANES