?- Celanese Corporation
- Chang Chun Group
- Daicel Corporation
- Eastman Chemical Company or its Subsidiaries
- GNFC Limited
- INEOS
- Jiangsu SOPO (Group) Co. Ltd
- Kanoria Chemicals & Industries Ltd
- Kemipex
- Kingboard Holdings Limited
- LyondellBasell Industries Holdings BV
- Mitsubishi Chemical Corporation
- PetroChina Company Limited
- SABIC
- SASOL
- Shandong Hualu-Hengsheng Chemical Co. Ltd
- Shanghai Wujing Chemical Co. Ltd
- Showa Denko KK
- Sipchem
- Svensk Etanolkemi AB (SEKAB)
- Tanfac Industries Ltd
- Wacker Chemie AG
- Yankuang Group