- Altivia
- BASF SE
- Borealis AG
- Cepsa
- Dow
- Formosa Chemicals and Fibre Corporation
- Green Biologics Limited
- 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
- Royal Dutch Shell plc