1. Owens Corning Global Holdings LLC
2. Johns Manville Corporation
3. KNAUF INSULATION Inc.
4. Compagnie de Saint-Gobain S.A.
5. Armacell International S.A.
6. ROCKWOOL International A/S
7. Kingspan Group Plc
8. BASF SE
9. L’Isolante K-Flex S.p.A.
10. NMC Group