1. Asahi Kasei Corporation
2. Basf Group
3. Covestro Ag
4. Dow Inc
5. Dupont
6. Evonik Industries
7. Hanwha Azdel Inc
8. Ineos Capital Ltd
9. Lanxess Ag
10. Lyondellbasell Industries Nv
11. Mitsui Chemical
12. Momentive Performance Materials
13. Plastic Omnium
14. Sumitomo Chemical Co Ltd