1. Beumer Group
2. Continental AG
3. FLSmidth & Co. A/S
4. Hitachi Construction Machinery Co. Ltd.
5. IHI Transport Machinery Co. Ltd.
6. Kawasaki Heavy Industries
Ltd.
7. Komatsu Ltd.
8. L&H Industrial.
9. Liebherr-International Deutschland GmbH
10. Metso Corporation
11. Motridal S.p.A.
12. Satake Corporation
13. Schenck Process Holding GmbH
14. Senet Inc.
15. Siemens AG
16. Sumitomo Heavy Industries Material Handling Systems Co. Ltd.
17. Techint
18. ThyssenKrupp AG