- Alfa Laval AB
- Applied Membranes Inc.
- AXEON Water Technologies Inc.
- BASF SE
- DowDuPont Inc.
- Hunan Keensen Technology Co. Ltd
- Hydranautics A Nitto Group Company
- inopor GmbH
- InRedox LLC
- Koch Membrane Systems Inc.
- MICRODYN-NADIR GmbH
- Osmotech Membranes Pvt Ltd
- Pure-Pro Water Corporation
- SiMPore Inc.
- SmartMembranes GmbH
- SUEZ Environnement SA
- Synder Filtration Inc.
- Toray Chemical Korea Inc.