1. Aeroflex Company Limited
2. Armacell International S.A.
3. Aspen Aerogels Inc.
4. Atlas Roofing Corporation
5. BASF SE
6. China Jushi Co. Ltd.
7. Covestro AG
8. GAF Materials Corporation
9. Hira Industries LLC
10. Huntsman Corporation
11. Johns Manville Corporation
12. Kingspan Group
13. Knauf Insulation
14. Morgan Advanced Materials PLC
15. Nano Tech Co. Ltd.
16. Owens Corning
17. Recticel NV
18. Rockwool International A/S
19. Rogers Corporation
20. Saint-Gobain ISOVER
21. Soprema Group
22. URSA Insulation
S.A.
23. Wincell Insulation Co. Ltd.