1. Acuro Organics Limited
2. American Water Chemicals Inc.
3. Applied Membranes Inc.
4. BWA Water Additives UK Limited
5. Ecolab Inc.
6. General Electric Company
7. Genesys International Corporation Ltd
8. Kemira Oyj
9. King Lee Technologies
10. Koch Separation Solutions
11. Kureha Corporation
12. Lenntech BV
13. Reverse Osmosis Chemicals International
14. Suez SA
15. Veolia Water Technologies