3M Company, Culligan International Company, Kinetico Water Systems, GE Appliances (Hair), EcoWater Systems LLC, Hague Quality Water International, Pelican Water Systems, Fontus Water Pvt Ltd., Whirlpool Corporation, A.O. Smith Water Technologies, Hans Sasserath GmbH & Co. KG, Harvey Water Softeners Ltd, BWT AG (Best Water Technology AG), KCD IP, LLC, Axel Johnson Inc. (AJI), Marlo Incorporated, Canature Environmental Products Co., Ltd, Pentair Residential Filtration, LLC., Waterboss Inc., MECO Incorporated