1. ABB Ltd
2. Aqua-Nova AB
3. Atlas Copco AB
4. Babcock & Wilcox Company
5. BFS Industries
LLC
6. BRAM-COR S.p.A.
7. Caterpillar Inc.
8. Clayton Industries
9. Cleaver-Brooks Inc.
10. CMI Group
11. General Electric Company
12. Gerlach Industries Inc.
13. Kirloskar Group
14. Robert Bosch GmbH
15. Siemens AG
16. Victory Energy Operations LLC