- BP PLC
- Celanese Corporation
- Chang Chun Group.
- China Petrochemical Corporation
- Chiyoda Corporation
- Daicel Corporation
- Eastman Chemical Company
- GNFC Limited
- Kanoria Chemicals & Industries Ltd
- Kingboard Holdings Limited
- LyondellBasell Industries Holdings BV
- Mitsubishi Chemical Corporation
- PetroChina Company Limited
- SABIC
- SASOL
- Shandong Hualu-Hengsheng Chemical Co. Ltd
- Showa Denko K.K.
- Sipchem
- Svensk Etanolkemi AB (SEKAB)
- Wacker Chemie AG
- Yankuang Group