1. Aramine
2. Arnold Machinery Company
3. Atlas Copco AB
4. Brake Supply Co. Inc.
5. Caterpillar Inc.
6. Daimler Truck North America LLC
7. Deere & Company
8. Epiroc Mining India Limited
9. Hindle Group Ltd.
10. Hitachi Construction Machinery Co
Ltd.
11. Hydraulex International Holdings Inc.
12. J.C.Bamford Excavators Limited
13. Komatsu Limited
14. Liebherr-International Deutschland GmbH
15. Metso Corporation
16. Phillips Machine
17. Pivot Equipment Parts
18. Probe Group
19. PT Sanggar Sarana Baja
20. Quaker Houghton
21. Sandvik AB
22. SRC Holdings Corporation
23. Swanson Industries
24. Titanova Inc.
25. Volvo AB