1. Alfa PEB Ltd.
2. Asahi Kasei Corporation
3. BASF SE
4. Covestro AG
5. Dow Chemical Company
6. DuPont de Nemours Inc.
7. Enersens SAS
8. Erich NETZSCH GmbH & Co. Holding KG
9. Etex group
10. Evonik Industries AG
11. Firwin Corporation
12. GAF
13. Gupta Glasswool Industries
14. Insulect Australia Pty Ltd.
15. JBC Technologies Inc.
16. Johns Manville
17. Kingspan Holdings (Ireland) Limited
18. LINSEIS Messger?te GmbH
19. Mapei Construction Products India Pvt Ltd
20. Menard Inc.
21. NICHIAS Corporation
22. Owens Corning
23. Polymer Technologies Inc.
24. Recticel
S.A.
25. Saint-Gobain S.A.
26. Sheth Insulation Pvt. Ltd.
27. Sika AG
28. Sinograf SA
29. Solvay S.A.
30. SunPro