1. Arabian Fiberglass Insulation Company Ltd.
2. Armacell International S.A.
3. Autex Industries Limited
4. BASF SE
5. Boulder Developments Ltd.
6. Cellecta Ltd
7. Compagnie de Saint-Gobain S.A.
8. Fletcher Building Group
9. GAF Materials Corporation
10. Hira Technologies Pvt. Ltd.
11. Huntsman Corporation
12. Hush Acoustics Ltd.
13. Johns Manville
14. Kinetics Noise Control Inc.
15. Kingspan Group PLC
16. Knauf Insulation
17. L’ISOLANTE K-FLEX S.p.A.
18. Lloyd Insulations (India) Limited
19. Owens Corning
20. Paroc Group Oy
21. Paul Bauder GmbH & Co. KG
22. ROCKWOOL International A/S
23. Sheth Insulations Private Limited
24. Soprema Group
25. The Holcim Group
26. Trelleborg AB