1. ABB Ltd.
2. Air Control Industries Inc.
3. Air System Components Inc.
4. Airmaster Fan Company
5. Baghouse America
6. CECO Environmental
7. Continental Fan Manufacturing Inc.
8. DongKun Industrial Co. Ltd.
9. ebm?papst Inc.
10. Elektror airsystems gmbh
11. Fl?ktGroup
12. Gardner Denver by Ingersoll Rand Inc.
13. Greenheck Fan Corporation
14. Hartzell Air Movement
15. Howden Group
16. Industrial Air Technology Corp.
17. J.E. Phillips Company
18. Loren Cook Company
19. NORTHERN BLOWER INC.
20. OWARD ENVIRONMENTAL SYSTEMS INC.
21. Patterson Fan Company Inc.
22. Paul’s Fan Company
23. Robinson Fans Inc.
24. The New York Blower Company