1. ArcelorMittal
2. China Metallurgical Engineering & Project Corporation
3. CTCI Americas Inc.
4. Kanikavan Shargh Engineering Co.
5. Larsen and Toubro Ltd.
6. McNally Bharat Engineering Co. Ltd.
7. Metso Outotec Corporation
8. Nippon Steel Corporation
9. Perantech GmbH
10. Primetals Technologies Ltd.
11. Shandong Province Metallurgical Engineering Co. Ltd.
12. Siemens AG
13. Simplex Engineering & Foundry Works Pvt. Ltd.
14. Sinosteel Corporation
15. Tata Steel