1. Ampco-Pittsburgh Corporation
2. Aperam SA
3. ArcelorMittal S.A.
4. Arnold Magnetic Technologies Corporation
5. China Steel Corporation
6. Cleveland-Cliffs Inc.
7. Foshan Shunge Steel Trading Co. Ltd.
8. JFE Steel Corporation
9. JSW Steel Ltd.
10. Keiko Shoji Co. Ltd.
11. Laser Technologies Inc.
12. Leicong Industrial Co. Ltd.
13. Mitsui & Co. Ltd.
14. NikoMag
15. Nippon Steel Corporation
16. NLMK Group
17. Posco Holdings Inc.
18. Shandong Haorui Metal Material Co.Ltd
19. Shanghai Walmay Metal Group
20. Steel Authority of India Limited
21. Suzhou Yogiant Holdings Co. Ltd.
22. TATA Steel Limited
23. ThyssenKrupp AG
24. Voestalpine AG
25. Wuxi Zhongxin Special Steel Co.Ltd.