1. Asahi Kasei Corp
2. Basf Ag
3. Denka Co Ltd
4. Dynasol Group
5. Eastman Chemical Company
6. Eni Versalis Spa
7. Ineos Group Holdings Sa
8. Kumho Petrochemicals Co Ltd
9. Kraton
10. Lcy Group
11. Lg Chemical Ltd
12. Polyone Corporation
13. Sinopec (China Petrochemical Group Co Ltd)
14. Tsrc Corporation
15. Zeon Corp