- DowDuPont Inc.
- Covestro
- BASF SE
- Yantai Sanjiang Chemical Industry Material Co. Ltd
- Anderson Development Company
- Asahi Kasei Chemicals
- Chemtura Corp.
- Evonik Industries
- Hebei Cangzhou Dahua Group
- Kumho
- MITSUI CHEMICALS AMERICA Inc.
- Perstorp
- Vencorex
- Tosoh Corporation
- BorsodChem
- China National Bluestar (Group) Co. Ltd
- Korea Fine Chemical Co. Ltd