
- Dow Chemical
- LyondellBassell
- DuPont
- Chevron Phillips
- PPG Industries

- BASF
- Bayer
- Evonik Industries

- INEOS
- Akzo Nobel/Imperial Chemical Industries

- Air Liquide

- Formosa Plastics

- Saudi Basic Industries Corporation

- Shin-Etsu Chemical Co.
- Asahi Kasei
- Toray Industries
- Mitsui Chemicals
- Sumitomo Chemical
- Mitsubishi Chemical
DSM