1. Amsted Industries Incorporated
2. ArcelorMittal S.A.
3. BBM Railway Equipment
LLC
4. Bharat Forge Limited
5. BONATRANS GROUP a. s.
6. Comsteel
7. Construcciones y Auxiliar de Ferrocarriles
S.A.
8. CRRC Corporation Limited
9. DANOBAT GROUP S. Coop.
10. Jiangsu Tedrail Industrial Co. Ltd.
11. Jindal Steel & Power Limited
12. LIBERTY Steel Group
13. Lucchini RS S.p.A.
14. Maanshan Iron & Steel Co. Ltd.
15. NILES-SIMMONS-HEGENSCHEIDT GmbH
16. Nippon Steel Corporation
17. OMK
18. Royal Mech Industries
19. Semco India Pvt. Ltd.