1. American Ultraviolet Inc.
2. Aquafresh RO Systems
3. Aquasana Inc.
4. Atlantic Ultraviolet Corporation
5. BWT Holding GmbH
6. Davey Water Products Pty Ltd.
7. Ecolab Inc.
8. Eureka Forbes Ltd.
9. EVOQUA WATER TECHNOLOGIES CORP.
10. Glasco Ultraviolet LLC
11. KENT RO Systems Ltd.
12. LUMINOR Environmental Inc.
13. Ozeanro
14. Pentair PLC
15. Reliant Aqua Ltd.
16. Sterling Water Treatment
17. Veolia Water Technololgies Inc.
18. Wyckomar Inc.
19. Xylem Inc.