- BASF SE
- BP PLC
- Celanese Corporation
- China National Petroleum Corporation
- Daicel Corporation
- DuPont
- Eastman Chemical Company
- Jiangsu Danhua Group Pvt Ltd
- Jubilant Life Sciences
- Luna Chemical Industries Pvt Ltd
- Shijiazhuang Shengkang Biotech Co. Ltd
- Sigma Aldrich
- Sipchem
- Taj Pharmaceuticals Ltd
- Kunshan Yalong Co. Ltd