| Aeon Consumerable Products -- Australian water filters. |
| Alpha's Systems, Inc. -- Educational site on safe treatment methods. |
| Amiad Filtration Systems -- Manufactures water filters for both residential and industrial applications. |
| Anthracite filtering material PUROLAT -- Pre-treatment in the water conditioning systems of nuclear power stations. |
| Aqua Life Appliances -- Manufacturers of ultra violet water purifiers. |
| AquaPrix, Inc. -- Water purification equipment. |
| Automatic Filters Inc. - Tekleen Water Filters -- Manufacturer and supplier of automatic, self-cleaning water filters and strainers for industrial, irrigation, and agricultural water filtration applications. |
| Big Brand Water Filter -- Direct seller of USA made water filters, reverse osmosis, water softeners, carbon systems, well water treatment, and other purification equipment. |
| Brita Water Filtration Systems -- Brita UK. |
| Calmag Water Treatment Products -- OK company offering water filtration and purification products for domestic and industrial applications. |
| ClearTap Faucets -- American Standard faucet fixtures for the home have a built-in filtration system providing clean drinking water. |
| ClearWater Tech Ozone Systems -- Manufacturers of mid-sized ozone generators for water treatment professionals around the world. |
| Crystal Pure -- Water purification equipment. |
| Cure Water Systems Inc. -- Hot and cold water filtration coolers. |
| Dakota Water -- Name brand water treatment products and services. |
| Deng Yuan Industrial Co., Ltd. -- Manufacturer of R.O.(reverse osmosis) systems. |
| Distiller Warehouse Ltd. -- All makes and models of water filtration products,and ozone generators. |
| Down Stream Consult -- Offers water purification for business and universities. |
| ewater.com -- whole house water purification unit, features specifications, information and photos. |
| Exstream Water Technologies -- Manufactures water purification filters. Includes a list of retailers and details about their products. |
| Glacier Water Systems Inc. -- Manufacturer of home water purification systems. |
| GoodH20 -- Low cost iron filters, water softeners, water conditioners and filters. |
| Hess Machine International -- Ozone purification systems. |
| Krudico Water -- Provides professional commercial, industrial, and municipal water treatment products. Features photos and descriptions of products and services. |
| Medentech -- Water purification and infection control specialists. |
| Megahome -- Manufacturer of water distillers. |
| Neu-Ion, Inc. -- Designs & installs, total water treatment systems. |
| Nielsen Technical Training ApS -- Water conditioning and lime scale deposit treatment systems. |
| Noah Water Systems -- Portable water purification equipment manufacturer. Includes information about their products, FAQ, |
| O2WaterClean -- Medical grade water for dental offices, |
| Oak Island Water and Ozone -- Non-electric water distillers, water filter, and ozone generators. |
| Odak Corporation -- Carbon block filter, manifold system, portable trailer and mobile laboratory. |
| PentaPure -- Manufacturer of water purification and filtration systems designed for household, camping, travel and commercial use. Includes company profile and consumer information. |
| Prostar Water Purification Systems Ltd. -- Offering a reverse osmosis systems. |
| Pure Water Inc. -- Home and office reverse osmosis water purification. |
| Pureflo Water Filters -- Refillable in-line water filter systems. |
| PureGen Technology Inc. -- Filters and parts for reverse osmosis systems. |
| Rainshower Manufacturing -- Manufacture of dechlorinating shower filters. |
| RV-Concepts -- Water filtering system for RVs and boats. |
| Saehan Industries -- A reverse osmosis elements and purifier manufacturer. |
| Simple Water Purification -- Water Purication System for the DIY'er. |
| SolAqua -- Solar water purification systems. |
| Sun Water Systems home page -- Carbon-block media water filtration systems, shower filters, and sports bottle filters. |
| Sunray Technologies UV sterilizers -- Ultraviolet water treatment products. Ozonators for spas. |
| TriSep Corporation -- Spiral wound RO membrane manufacturer. |
| Ultimate Water -- Supplying South Africa with Everpure water filter systems. |
| UV Pure Technologies - Manufacture NSF 55A certified ultraviolet drinking water systems. -- NSF 55A certified ultraviolet drinking water systems. |
| Water Distillers -- Water distiller sales. Dr. Weil recommends distilled water. |
| Water Doctors -- Custom residential and commercial filtration. Water FAQ, testing services, and consultation. |
| Water People - specialist water shop -- Offers pure drinking water systems, from small home units to large commercial systems. |
| Waterlogic International -- Water purifiers and dispensers for commercial office drinking water. |
| Wholly Water -- Manufacturer of drinking water filters, and systems. |
