- BASF SE
- BCI Holding SA
- Carpenter
- Covestro AG
- DIC CORPORATION
- Dow
- Huntsman International LLC
- INOAC Corporation
- Kuwait Polyurethane Industries WLL
- Lanxess
- Mitsui Chemicals Inc.
- Recticel NV/SA
- Rogers Corporation
- Sheela Foam Ltd
- Tosoh Corporation
- Wanhua Industrial Group Co. Ltd