1. Aerofoam USA LLC
2. Arabian Fiberglass Insulation Company Ltd.
3. Armacell International S.A.
4. Aspen Aerogels Inc.
5. Beijing Hocreboard Building Materials Company Limited
6. Beijing New Building Material (Group) Company Ltd.
7. Cabot Corporation
8. Glassrock Insulation Company S.A.E.
9. Johns Manville by Berkshire Hathaway Company
10. Kingspan Group
11. Knauf Insulation Inc.
12. Nichias Corporation
13. Novelis Inc. by Hindalco Industries Limited
14. Owens Corning
15. Saint-Gobain Group
16. TTM SRL