1. Alcoa Corporation
2. Aleris Corporation
3. ArcelorMittal S.A.
4. BASF SE
5. Borealis AG
6. Covestro AG
7. Dowdupont
8. Lanxess AG
9. Lyondellbasell Industries Holdings B.V.
10. Novelis Inc.
11. Owens Corning
12. POSCO
13. SGL Carbon SE
14. Stratasys Ltd.
15. Tata Steel Limited
16. Thyssenkrupp AG
17. Toray Industries Inc.
18. U.S. Magnesium LLC
19. WHB Brasil