1. Altana AG
2. Aspen Aerogels Inc.
3. BASF SE
4. Cellofoam North America Inc.
5. CNBM Group Co. Ltd.
6. Compagnie de Saint-Gobain S.A.
7. Concept Group LLC
8. Evonik AG
9. GAF Materials Corporation
10. Johns Manville Corporation
11. Kingspan Group PLC
12. Knauf Digital GmbH
13. Lloyd Insulations (India) Limited
14. Neo Thermal Insulation (India) Pvt. Ltd.
15. Nichias Corporation
16. Owens Corning
17. Recticel SA
18. Rockwool International A/S
19. Sika Group AG
20. The Dow Chemical Company
21. Ursa Insulation SA