- Aerofoam Industries
- Armacell
- BASF SE
- Bodo Miller Chemie GmbH
- Boyd Corporation
- ERG Aerospace Corporation
- Everchem Specialty Chemicals
- Evonik Industries
- General Plastics Manufacturing Company
- Grand Rapids Foam Technologies
- Huntsman Corporation
- Rogers Corporation
- SABIC
- Solvay
- Technifab Inc
- UFP Technologies
- Zetofoams Plc