1. Akzo Nobel N.V.
2. Arkema S.A.
3. BASF SE
4. Beijing Oriental Yuhong Waterproof Technology Co. Ltd.
5. Chematur Engineering AB
6. Coim Group
7. Covestro AG
8. DuPont de Nemours Inc.
9. Hangzhou Peijin Chemical Co.Ltd.
10. Huntsman International LLC
11. Kuwait Polyurethane Industries W.L.L
12. Lanxess AG
13. Manali Petrochemicals Limited
14. Mitsubishi Chemical Corporation
15. Mitsui Chemicals Inc.
16. OCI COMPANY Ltd.
17. Recticel NV
18. Saudi Basic Industries Corporation
19. Shandong INOV Polyurethane Co. Ltd.
20. Shandong Longhua New Material Co. Ltd.
21. Shell PLC
22. Springfeel Polyurethane Foams Private Limited
23. The Dow Chemical Company
24. The Lubrizol Corporation
25. Tosoh Asia Pte. Ltd.
26. Trelleborg AB
27. Umax Chemicals (shandong) Corporation
28. Wanhua Chemical Group Co. Ltd.
29. Woodbridge Foam Corporation
30. Xuchuan Chemical(Suzhou) Co. Ltd.
31. Yantai Juli Fine Chemical Co. Ltd.