- Armacell
- BASF SE
- Cabot Corporation
- Cellecta
- CSR Building Products Ltd
- Dynamic Composite Technologies
- Fletcher Building Limited
- Johns Manville
- Kingspan Group
- Knauf Insulation
- LANXESS
- L’isolante K-Flex SpA
- Owens Corning
- Recticel Insulation
- Rockwool
- Saint-Gobain
- Siderise Group
- Xella Group (Ursa Insulation)
- Zeon Kasei Co Ltd?