1. Aditya Birla Chemicals Limited
2. China Petrochemical Corporation
3. Connection Chemical LP
4. Haviland Products Company
5. Innova Corporate
6. Lonza Group AG
7. Nikunj Chemical Limited
8. Nippon Soda Co. Ltd
9. Sage Oil LLC
10. Tianjin Kaifeng Chemical Co. Ltd
11. Tianjin Ruifuxin Chemical Co. Ltd
12. Tosoh Corp.
13. Westlake Chemical Corporation
14. Yuzhoushi Weilite Chemical Co.Ltd