1. Clariant International Ltd.
2. Honeywell International Inc.
3. Johnson Matthey PLC
4. Lkab Minerals AB
5. Quality Magnetite
6. Quantumsphere Inc.
7. S?d-Chemie India Pvt. Ltd.
8. TANAKA Holdings Co. Ltd.
9. Thyssenkrupp AG
10. Topsoe A/S