1. Armacell International S.A.
2. Aspen Aerogels Inc.
3. BASF SE
4. Berg Chilling Systems Inc.
5. Cabot Corporation
6. Etex NV
7. Huntsman International LLC.
8. Insulated Products Corporation
9. Johns Manville
10. Kingspan Holdings Limited
11. Knauf Insulation d.o.o.
12. Lydall Inc.
13. L’ISOLANTE K-FLEX S.p.A.
14. Morgan Advanced Materials plc
15. NMC SA
16. Owens Corning
17. Pacor Inc.
18. ROCKWOOL A/S
19. Saint-Gobain S.A.
20. Shiu Li Technology LLC
21. Thermaflex International Holding B.V.
22. ZHEJIANG ZHENSHEN INSULATION TECHNOLOGY CORP. LTD.
23. Zotefoams plc