1. 3M Company
2. Accepta Water Treatment
3. Akruthi Enviro Solutions Pvt. Ltd.
4. ALFA LAVAL AB
5. Aquatech International LLC
6. BWT Holding GmbH
7. Danaher Corporation
8. DAS Environmental Expert GmbH
9. Dryden Aqua Ltd.
10. Ecolab Inc.
11. ENEXIO Water Technologies GmbH.
12. Evoqua Water Technologies LLC
13. Gertsen & Olufsen A/S
14. Hitachi
Ltd.
15. Kurita Water Industries Ltd.
16. Organica Biotech Pvt. Ltd.
17. Pentair PLC
18. Samco Technologies Inc.
19. Siemens AG
20. SUEZ Group
21. The Dow Chemical Company
22. Thermo Fisher Scientific Inc.
23. Toray Industries Inc.
24. Veolia Water Solutions & Technologies Inc.
25. Xylem Inc.