1. BASF SE
2. Braskem SA
3. CHEMSPEC
LTD.
4. China Petroleum & Chemical Corporation
5. Daelim Co. Ltd.
6. ENEOS Corporation
7. ExxonMobil Corporation
8. INEOS Group Limited
9. Kothari Petrochemicals Limited
10. Lanxess AG
11. Shandong Hongrui New Material Technology Co. Ltd
12. Shell plc
13. The Lubrizol Corporation
14. TPC Group
15. Zhejiang Shunda New Material Co. Ltd.