1. ABB Ltd.
2. Aqua Analytics
3. AquamatiX Limited
4. Aquatech International LLC
5. Arad Group
6. Atos SE
7. Badger Meter Inc.
8. Buckman Laboratories International Inc.
9. Ecolab Inc.
10. Efftronics Systems Pvt. Ltd.
11. Endress+Hauser Group Services AG
12. General Electric Company
13. GHD Group Pty Ltd.
14. Hitachi
Ltd.
15. Honeywell International Inc.
16. Huawei Technologies Co. Ltd.
17. HydroPoint
18. i2O Water Ltd.
19. Itron Inc.
20. Kamstrup A/S
21. Kemira Oyj
22. Landis+Gyr AG
23. NEOM Company
24. Neptune Technology Group Inc.
25. Pentair PLC
26. Robustel
27. Schneider Electric SE
28. Siemens AG
29. Solenis LLC
30. Subeca Inc.
31. SUEZ SA
32. Trimble Inc.
33. UtiliOS
34. Veolia Environnement SA
35. WaterGroup Companies Inc.
36. WSP Global Inc.
37. Xenius
38. Xylem Inc.
39. Yokogawa Electric Corporation