3M Company
Advantec MFS Inc.
Air Products Inc.
Alfa Laval AB
Amazon Filters
AMS Technologies Ltd
Applied Membranes Inc.
Aquaporin A/S
Aquarion AG
Aquatech International LLC
Asahi Kasei Corp
AXEON Water Technologies
Axium Process Ltd
BASF SE
Baghouse.com
Berghof Membrane Technology GmbH
Big Brand Water Filter
CITIC Envirotech
Chanson Water Co Ltd
Clean Liquid Systems
Corning Inc.
Critical Process Filtration Inc.
Culligan International Co
Cytiva
DIC Corp
Danaher Corp (Pall Corp)
Danamark WaterCare Ltd.
Degremont Technologies
Donaldson Co Inc.
Drew Marine USA Inc.
DuPont de Nemours Inc.
DWA GmbH & Co KG
Elmatec
Evoqua Water Technologies LLC
Filtration Group
FlowTech Corp
GEA Group AG
Graver Technologies LLC
Guo Chu Technology (Xiamen) Co Ltd.
Huber SE
Hydranautics (A Nitto Group Company)
Hyflux Ltd
Imemflo Filtration Pvt Ltd
KHS Group
Koch Membrane Systems Inc./Koch Separation Solutions
LG Chem
Litree Purifying Technology Co Ltd
MMS Membrane Systems
MANN+HUMMEL
Membrane Solutions LLC
Membrane Solutions (Nantong)
Membrane System Specialists Inc.
Memsino Membrane Technology
Merck KGaA
Microdyn-Nadir GmbH
Mitsubishi Rayon
Nilsan Nishotech Systems Pvt Ltd
Nitto Denko Corp (Hydranautics)
Novasep
Origin Water
Pall Corporation
Parker-Hannifin Corp
Pentair plc
Pervatech BV
Polymem SAS
Porvair Filtration Group
ProMinent GmbH
Refractron Technologies Corp
Repligen Corp
SPX Flow Inc.
Sartorius AG
Shandong Zhaojin Motian Co Ltd
Shelco Filters
Spintek Filtration Inc.
Suez Water Technologies and Solutions
Synder Filtration Inc.
The Dow Chemical Co (DuPont Water Solutions)
The Wabag Group
Thermax Limited
Thermo Fisher Scientific
Tianjin Motimo Membrane Technology Co Ltd.
Toray Industries Inc.
Veolia Environment SA
Veolia Water Technologies Inc.
Veolia Water Technologies Inc.
Via Separations
ZwitterCo