1. Auchtel Products Limited
2. Bio-Rad Laboratories Inc.
3. DuPont De Nemours Inc.
4. Eichrom Technologies Inc.
5. Hebi Juxing Resin Co. Ltd.
6. Ion Exchange Ltd.
7. Jacobi Group
8. Lanxess AG
9. Mitsubishi Chemical Corporation
10. Novasep Holding
11. Ovivo
12. Purolite Corporation by Ecolab
13. Resintech Inc.
14. Samyang Corporation
15. Suqing Group
16. Thermax Limited