| Affordable Quality Drinking Water: Sells water filtering products. |
| AllPure: Offers home water filtration solutions such as shower and bathroom filters, and watergard. |
| Aqua City, Inc.: Distributors of water filtering systems and replacement filters. |
| Aquafilter: European manufacturer and distributor of water purification products designed for residential use, offices and industry. |
| Aquasana: Offers home water filtration products such as drinking water and shower filters. |
| Aquaspace Water Systems: Sink and whole house treatment system. |
| Best Filters: Broad selection of water filters in countertop, undercounter, whole house and shower filter configurations. |
| Crystal Quest: Water filter manufacturer. |
| Culligan Water of Laredo: Water softeners and bottled water. |
| Doulton USA: A complete line of water filters and purifiers for residential and industrial use. |
| DrinkingPure: Everpure water filter systems for residential and commercial use. |
| Environmental Systems: Distributor of a variety of water filtering products, parts, and accessories. |
| Epic Water Systems: Features gravity water filters and bottled water dispensers. |
| Fountain Filters: Designers and direct suppliers of water filters and purifiers with single and 3-way tap options. |
| Fresh Water Filter: Designs and supplies water filters, softeners, purifiers and coolers for domestic and industrial use. |
| H2O Distributors: Sells house filters, well water systems, reverse osmosis, uv systems and replacement cartridges. |
| H2O Filtering: Distributor and retailer of home water filter products for the U.S. and Canada. |
| Healthy Water: Australian distributor of water filter and reverse osmosis systems for home and business. |
| Home Water Purifiers and Filters: Offering a variety of filtration systems including ultraviolet. Features technology information and clean water educational resources. |
| Im-Ex House: Canadian distributor for Aquasana and Rhino home filtration products. |
| InternetWaterSupplies: Offers conditioning and filtration equipment and parts. Includes manuals and installation information. |
| New Market Naturals: Features shower and drinking water filters. Also has hand grain mills. |
| Portable Water Filters: Refillable drinking bottle with filter on it. |
| PUR Water Filters: Sells countertop and undercounter, faucet-mount, and pitcher-style water filters and replacement cartridges. |
| Pureflo Direct: Offers refillable inline water filter systems and refills. |
| pureflow water filters: online sales of domestic water filters and replacement filters for the UK market |
| Purest Filters: Offers whole house water filtration products including UV filters, also has air filters. |
| PureWaterAbode.com: Offers a complete line of Aquasana and Crystal Quest water filters for residential use. |
| PuriTec: Manufactures a full line of water filters from countertop units to whole house systems. |
| RainSoft of Indianapolis: Offering water filters, replacement cartridges, house water treatment systems, and Airmaster air filters. |
| Right Water Solutions: Offers a complete line of drinking water filtering and purification equipment. |
| Santé: Water filter systems, and shower filters. |
| Southern Cross Pottery: Manufacturer of stoneware gravity fed water purifiers featuring Australian designs. |
| Spell Water: Offers purification and conditioning systems for whole house. |
| Tasty Choices: Providing a choice of filter types to help protect against potential drinking water contamination. Lease or buy. |
| The Wellness Filter: Offers kitchen, shower, and portable water filters. Also offers whole-house filtration systems. |
| Tianjin Joss: Water purifier distributor in China. |
| Tiger Systems Water Purification: Designers of specialty filtering equipment. |
| Tri-State Water Treatment: Features whole house water conditioning products, also has air filtration units . |
| VeriPure -: Water filtration units for home, RV's or restaurant using ozonation. |
| Vitali Group: West Australian manufacturer and distributor of ceramic gravity water purifiers and replacement filter candles |
| Water Filter Basics: Provides articles on home water pollution, health threats and water filter products to help consumers make decisions. |
| Water Filters: Offering water filters and replacement cartridges from Culligan, Ametek, American Plumber and USFilter. |
| Water Filters Online: Replacement filters, reverse osmosis systems, coolers, test kits, and softeners. |
| Water on the Web: Offers water filtering products from sink to whole home. |
| Water Solutions: Offers many different filter products. |
Classical
