1. ACI Alloys
2. Alkane Resources Limited
3. All Metal Sales Inc.
4. Artemis Capital Partners
5. Base Resources Limited
6. Doral Mineral Sands Pty Ltd
7. Eramet
8. Iluka Resources
9. Iluka Resources Limited
10. Iwatani Corporation
11. Kenmare Resources PLC
12. Rio Tinto Group
13. Saint-Gobain ZirPro
14. Tosoh Corporation
15. Tronox Holdings PLC