- BASF SE
- China National Chemical Corporation (ChemChina)
- Formosa Plastics Corporation
- INOVYN
- Kem One SAS
- LG Chem
- Orbia
- Occidental Petroleum Corporation
- SABIC
- Shin-Etsu Chemical Co. Ltd.
- The Lubrizol Corporation
- Westlake Chemical Corporation
- Xinjiang Zhongtai Chemical Co. Ltd