Limebuster
- Supplier of electronic water conditioners.
- http://limebuster.com

Magna Clean Systems
- An environmentally safe alternative to salt-based water softeners using a series of magnetic fields.
- http://www.conditionwater.com/

DaSu Distributing
- Offers tankless water heaters and on demand hot water heater systems. Featuring gas and electric.
- http://www.mytanklesswaterheaters.com/

Trentatronics
- Manufactures and supplies of magnetic water conditioners.
- http://www.trentatron.com

A1waterfilters
- Offers residential water filters, shower filters, house water filters, air purifiers and air cleaners.
- http://www.a1waterfilters.com

Avonsoft Water Treatment
- Manufacturers of domestic and industrial water softeners. Suppliers of Doulton and Berkefeld ceramic bacteriological water filters and spare candles. All types of filters supplied.
- http://www.avonsoft.com/

Water Filtration
- Suppliers and Installers of domestic and commercial water filtration systems, water softeners and water conditioners.
- http://the-waterworks.7p.com/

Water Value Company
- Filtration equipment, parts, and replacement filters. Also information on installation, repair, owner's manuals, and articles on drinking water contamination.
- http://www.watervalue.com/

Water Refining Company
- Specializes in quality water conditioning equipment such as water softeners, filters, reverse osmosis and aerators.
- http://www.waterefining.com

Ace Pump Corp.
- Water filtration, reverse osmosis systems and bottle-less water coolers from the worlds leading manufacturers that will provide clean and safe water for drinking, cooking and showering.
- http://acepump.com/

Catalytic Water Softeners
- Hassle-free soft water without salt, electricity or chemicals. Manufacturer of premium catalytic water softeners since 1988. Money-back guarantee.
- http://www.no-salt.com

Magnetic Water Treatment and Filtration Products
- Suppliers of simple to fit magnetic water softeners, reverse osmosis water purification and filtration equipment for home and industrial use.
- http://www.h2onics.co.uk

Aquatechnology Water Stores
- An informative site dedicated to accurate and educational resources along with a full product line of water treatment equipment.
- http://aquatechnology.net

Fleckvalves
- Home and industrial water treatment equipment including softening, filtration, reverse osmosis. Water systems for Kidney Dialysis Centers and patients are also available.
- http://www.fleckvalves.com

Reid Hester
- Offers GMX water softeners based on magnetohydrodynamics.
- http://watersoftener.net/

Purco Filtration Systems Inc.
- Water treatment and purification systems for residential, commercial and engineered applications.
- http://purco.qc.ca/

Sanosil
- Sales of water purification devices, and information about the company and its disinfectant products.
- http://www.sanosil.com/-shop-m.htm

National Testing Laboratories, Ltd.
- Independent testing lab for home drinking water potability and well water. Products and information available for residential and commercial.
- http://www.ntllabs.com/

Ozone Pure Water
- Offers water purification systems to eliminate iron, sulfur, manganese, and bacteria. For residential, commercial, and industrial water problems.
- http://www.ozonepurewater.com/

SpectraPure
- Reverse osmosis and deionization water purification products. Includes general production information and company profile.
- http://www.spectrapure.com/

WaterGeneral
- Features a reverse osmosis system which includes water quality TDS meter. Also links to replacement filters and membranes for some popular brands.
- http://www.watergeneral.com/

Pure Water Canada
- Information about water purification and treatment with system sales available.
- http://www.purewatercanada.com

Cordonna Associates, Inc.
- Water treatment products and information - water softeners, reverse osmosis systems, ultraviolet disinfection, iron filters.
- http://ewateronline.net/

Premier Water Systems
- Reverse osmosis water purification products, parts and filters. Includes FAQs and troubleshooting guide.
- http://www.premierh2o.com/

PurePro USA Corporation
- Buyer's guide for home reverse osmosis water filter systems.
- http://purepro.net

Worldwide Water Systems
- Water softeners, filters, home test kits, and reverse osmosis systems.
- http://softwaterdeals.com/

American Water Heater Company
- Sales of water heaters, parts and accessories. Includes sizing and troubleshooting guides and water heater diagrams.
- http://www.waterheaterparts.net/