1. A. O. Smith Corporation
2. Amway Corporation
3. Bajaj Electricals Ltd
4. Brita LP
5. BWT Holding GmbH,
6. COWAY CO. LTD.
7. Culligan International Company
8. Electrolux AB
9. Eureka Forbes Ltd
10. Helen of Troy Limited
11. Hindustan Unilever Limited
12. iSpring Water System LLC
13. KENT RO SYSTEMS LTD
14. KONINKLIJKE PHILIPS N.V.
15. Livpure Pvt. Ltd.
16. Mitsubishi Chemical Corporation
17. Panasonic corporation
18. Pentair PLC
19. Strix Ltd
20. TATA CHEMICALS LTD.
21. The 3M company
22. Toray Industries Inc.
23. Voltas Limited