1. Aries Chemical Inc.
2. BASF SE
3. Bauminas Quimica Ltda.
4. Buckman Laboratories Pty Ltd.
5. Chardon Laboratories Inc.
6. Chemtex Speciality Limited
7. Cortec Corporation
8. Ecolab Inc.
9. Hibrett Puratex
10. Jenfitch Inc.
11. Kurita Water Industries Ltd.
12. Lonza Group Ltd.
13. Myron L Company
14. Nouryon Chemicals Holding B.V.
15. Reynolds Culligan
16. SNF Group
17. Solenis LLC
18. Solvay S.A.
19. The Dow Chemical Company
20. Thermax Limited
21. Veolia Environnement SA
22. Wego Chemical Group Inc.
23. Wyo-Ben Inc.