1. China Petroleum & Chemical Corporation
2. Royal Dutch Shell Plc
3. Borealis AG.
4. Versalis S.p.A.
5. Eni S.p.A.
6. Evonik Industries AG
7. Ineos Group AG
8. LANXESS AG
9. LyondellBasell Industries Holdings B.V.
10. LG Chem Ltd.