1. 3M Company
2. Amazon Filters Ltd.
3. Ayater Filtration
4. Bea Technologies SpA
5. Brother Filtration
6. Camfil AB
7. Celeros Flow Technology
8. Champion Process Inc.
9. Dynamic Filtration Ltd.
10. Eaton Corporation PLC
11. ESG Filtration Ltd.
12. Filtration Group Corporation
13. General Filtration
14. Gopani Product Systems
15. High Purity Northwest Inc.
16. HP Well Screen B.V.
17. KEL India Filters
18. Mott Corporation
19. Nanjing Shinkai Filter Co. Ltd
20. Norman Filter Company
LLC
21. Pall Corporation
22. Porvair PLC
23. PS Filter
24. Samco Technologies
Inc
25. Sharplex Filters Pvt. Ltd.
26. Sungov Engineering Private Limited
27. Valin Corporation
28. Xinxiang Saya Filters Co. Ltd.
29. Yixing Huading Machinery Co.Ltd