1. Adeka Corporation
2. ADM
3. AGC Inc.
4. BASF SE
5. Chaoyang Chemicals Inc.
6. Huntsman Corporation
7. Ineos AG
8. LyondellBasell Industries N.V.
9. Manali Petrochemicals Limited
10. Oleon NV
11. Repsol
S.A.
12. Saudi Basic Industries Corporation
13. Shell International B.V.
14. Sumitomo Chemical Co. Ltd.
15. The Dow Chemical Company