1. AECOM
2. Akzo Nobel N.V.
3. Albemarle Corporation
4. Aquatech International LLC
5. BASF SE
6. Black & Veatch Holding Company
7. CH2M Hill Inc. by Jacobs Engineering Group
8. DuPont de Nemours Inc.
9. Ecolab Inc.
10. Evoqua Water Technologies LLC
11. IDE Water Technologies
12. Jacobs Solutions Inc.
13. Kemira Oyj
14. Kurita Water Industries Ltd.
15. LEWA GmbH
16. Lindsay Corporation
17. Louis Berger International
18. Nouryon Chemicals Holding B.V.
19. Organo Corporation
20. OriginClear Inc.
21. Silbrico Corporation
22. SUEZ SA
23. Suez SA by Veolia Water Solutions & Technologies
24. Supreme Perlite Company
25. Thermax Limited
26. Veolia Group