1. Alumasc Group plc
2. Arconic Architectural Products LLC
3. Compagnie De Saint-Gobain S.A.
4. Cornerstone Building Brands Inc.
5. DuPont de Nemours Inc.
6. D?ke Extrusion LLC
7. Georgia-Pacific Wood Products LLC
8. James Hardie Building Products Inc.
9. Kingspan Group
10. Knauf Company
11. Lixil Corporation
12. Louisiana Pacific Corporation
13. NICHIHA CORPORATION
14. Rockwool India Pvt. Ltd
15. SHERA Public Company Limited
16. USG Corporation
17. Westlake Corporation
18. Wienerberger AG