1. 3M Company
2. Applied Membranes Inc.
3. Cobetter Filtration Equipment Pvt. Ltd.
4. Compact Membrane Systems (CMS)
5. Danaher Corporation
6. Deionx
7. Entegris Inc. by CMC Materials
8. Eurowater by Grundfos
9. Hydro Blue Membrane Technology Co. Ltd.
10. KH Tec GmbH
11. Lenntech B.V.
12. PTI Pacific Pty. Ltd.
13. Pure Water Group
14. Romfil GmbH
15. Veolia Environnement SA