1. Action Filtration Inc.
2. American Fabric Filter Co.
3. Babcock & Wilcox Enterprises Inc.
4. Baghouse.com
5. BWF Group
6. Clean Air Consultants
7. DHA Filter
8. Donaldson Company Inc.
9. Ducon Technologies Inc.
10. Eaton PLC
11. Filson Filter
12. Filter Pro
13. General Electric Company
14. Griffin Filters
15. Hefei Zhongya Environmental Protection Technology Co. Ltd.
16. Imperial Systems Inc.
17. Inciner8 Limited
18. Industrial Air Filtration Inc.
19. Kice
20. Lenntech B.V.
21. Menardi Filter Elements
22. Micronics Engineered Filtration Group Inc.
23. Mitsubishi Heavy Industries
Ltd.
24. Rosedale Products
25. W. L. Gore & Associates Inc.