1. 3M Company
2. Alfa Laval AB
3. Amazon Filters
Ltd.
4. Berghof Membrane Technology GmbH
5. Danaher Corporation
6. Eaton Corporation
7. GEA Group AG
8. Graver Technologies
LLC
9. Meissner Filtration Products Inc.
10. Merck KGaA
11. MMS Membrane Systems
12. Parker Hannifin Corporation
13. Repligen Corporation
14. Sartorius Stedim Biotech
15. Sterlitech Corporation