Culligan is a water-treatment company that provides residential, commercial, and workplace water products and services. The company says it has delivered water solutions since 1936 and serves customers through a network of dealers and water experts; its offerings include water-softening and filtration systems.
IAPMO-certified filtration systems
Illinois EPA-certified laboratory
International Bottled Water Association membership (bottled-water distributors)
Registration
Canadian Bottled Water Association membership (bottled-water distributors)
Registration
ILLINOISEPALABORATORYCERTIFICATION
Quality certification
Hague Quality Water InternationalFounded in 1960 from William R. Hague’s three-person operation, Hague Quality Water International manufactures water-treatment systems in Groveport, Ohio, and exports them to more than 50 countries. The company designs and assembles its products in the United States, with its patented WaterMax® serving as its flagship compact system for softening and filtering household water. Hague supports its authorized dealer network with hands-on training and technical resources.GROVEPORT, OH
S & G Water Conditioning, IncSince 1959, S & G Water Conditioning has been a Warminster water-treatment company known for building much of its equipment in-house and tailoring systems to actual water conditions. It serves customers ranging from homeowners to public agencies, including on remediation projects tied to PA-DEP and US-EPA Superfund sites.WARMINSTER, PA
Nelsen CorporationFamily-owned for more than 70 years, Nelsen Corporation has grown from its Medina, Ohio headquarters into a water-treatment manufacturer and distributor known for tailoring equipment to the needs of professional dealers. Its experienced sales team serves residential and commercial dealers across the United States and around the world, drawing on an average of more than 20 years in the water-treatment business.BARBERTON, OH
All Water Systems, IncAll Water Systems, Inc. is an independently owned water-treatment company that designs, fabricates, assembles, tests, installs, and services industrial and commercial water purification systems. For more than 40 years, it has served the region with customized systems rather than limiting customers to proprietary models, and it operates a Turtle Creek facility with dedicated design, assembly, regeneration, membrane-cleaning, and repair areas.TURTLE CREEK, PA