?- Altivia
- BASF SE
- Borealis AG
- Cepsa
- Formosa Chemicals and Fibre Corporation
- Honeywell International Inc.
- INEOS
- Kumho P&B Chemicals Inc.
- LCY GROUP
- Mitsui Chemicals Inc.
- Prasol Chemicals Pvt. Ltd
- PTT Phenol Company Limited
- Reliance Industries Limited
- Shell PLC