1. 3M Company
2. Advanced Filtration Company
3. Alfa Laval Corporate AB,
4. Amazon Filters Ltd.
5. Anand Filters
6. BEA Technologies Spa
7. Berghof Membrane Technology GmbH
8. Camfil AB
9. Cole-Parmer Instrument Company
LLC
10. Compagnie de Saint-Gobain
11. Corning Incorporated
12. Danaher Corporation
13. DFMZ Inc.
14. Donaldson Company Inc.
15. Eaton Corporation
16. ErtelAlsop
17. Evoqua Water Technologies LLC by Xylem INc.
18. Filtereno Engineering Co.
19. FILTROX AG
20. Foxx Life Sciences
21. Freudenberg SE
22. GEA Group Aktiengesellschaft
23. General Electric Company
24. Gopani Product Systems
25. Graver Technologies LLC
26. GVS S.p.a.
27. Hawach Scientific Co. Ltd
28. KASAG Swiss AG
29. MANN+HUMMEL International GmbH & Co. KG
30. Meissner Filtration Products Inc.
31. Membrane Solutions,LLC
32. Merck KGaA
33. MMS AG
34. Nanjing Tangent Fluid Technology Co. Ltd
35. Parker-Hannifin Corporation
36. Porvair PLC
37. Repligen Corporation
38. Rotomark Innovations
39. Sanipure Water Systems
40. SAP Filter Pvt. Ltd.
41. Sartorius AG
42. Simsii Inc.
43. SKC Ltd.
44. Sterlitech Corporation
45. Synder Filtration Inc.
46. The Standard Pulp & Paper Factory
47. Thermo Fisher Scientific Inc.
48. Tisch Scientific
49. U.S. Air Filtration Inc.
50. Zhejiang ALWSCI Technologies Co.Ltd.