- Akzo Nobel NV
- Arkema
- Covestro AG
- DowDuPont
- Formosa Plastics Corp.
- FMC
- Grasim (Aditya Birla)
- Hanwha Chemical Corporation
- Inovyn
- Kemira
- Occidental Petroleum Corporation
- Olin Corporation
- SABIC
- Shin-Etsu Chemicals Co. Ltd
- Solvay Chemicals
- TCI Sanmar Group