Desalination Systems
| ATP Mfg. Ltd. |
| Ambient Tech., Inc. |
| American Engineering Svc., Inc. |
| Applied Membranes, Inc. |
| Aqua Care Sys., Inc. |
| Aqua Man Inc. |
| Aqua-Flo, Inc. |
| AQUAPURA Corp. (The) |
| AQUApura - Tempest Environ. |
| Atlantic Filter Corp. |
| Canadian Water Cond. Inc. |
| Cartwright Consulting Co. |
| CAT PUMPS |
| Cellini Purification Sys., Inc. |
| DuPage Water Treat. Prod. |
| Filtration Concepts Inc. |
| Filter Soft |
| General Pump Inc. |
| Global EnviroScience Technologies, Inc. |
| Horner Discus Int'l. Inc. |
| HydroMax, Inc. |
| Hydropure Water Treat. Co. |
| Lifestream Watersys. |
| Link-O-Matic Co., Inc. |
| New Age Water Tech. |
| Nimbus Water Sys., Inc. |
| Osmonics |
| Osmonics Desal |
| Pure Aqua, Inc. |
| Pure Water Source (The) |
| Safe Water |
| Smith & Loveless, Inc. |
| Sunshine Water Cond. |
| W.E.S., Inc. |
| Water Equip. Tech. Inc. |
| Water Group Sys., Inc. |
| Water Services Corp. |
| Water Tec Int'l. |
| Water Tec Tucson |
| Watersolve Int'l. |
| WEBTROL Pumps |
| Western Water Prod., Inc. |
| Zhou Yuan Int'l. Corp. |
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