1. Elmelin Ltd.
2. Etex Group
3. Johns Manville Corporation
4. Kingspan Group Plc
5. Langfang Chaochen Thermal Insulation Material Co. Ltd.
6. Morgan Advanced Materials PLC
7. NATI Refractories Co. Ltd.
8. Nichias Corporation
9. Promat International NV
10. Shanghai Nanovix Thermal Insulation Co. Ltd.
11. Siltherm International Group Limited
12. Thermost Thermtech Co. Ltd.
13. Unicorn Insulations Ltd.
14. Unifrax LLC
15. Zircar Ceramics Inc.