Trattamento acque
American Filtration & Separation Society
American Water Works Association
Association of the Nonwoven Fabrics Industry
Association of Water Technologies
Centro Italiano per la Riqualificazione Fluviale (CIRF)
Desalination Directory
European Desalination Society
European Membrane Society
Filter Manufacturers Council
Filtration+Separation Magazine
International Office for the Water
National Air Filtration Association
North American Membrane Society
The Filtration Society
Water Environment Federation