Sterilizers
| Action Mfg. & Supply Inc. |
| Addie Water Sys., Inc. |
| Alan Mfg. |
| American Water Service |
| Applied Membranes, Inc. |
| Aqua Care Sys., Inc. |
| Aquanetics Sys., Inc. |
| Atlantic Filter Corp. |
| Atlantic Utlraviolet Corp. |
| Canadian Water Cond. Inc. |
| Capital Controls Co., Inc. |
| Cartwright Consulting Co. |
| Clean Water Sys., Int'l. |
| DuPage Water Treat. Prod. |
| Eden Equip. Co. |
| Environmental Prod. USA, Inc. |
| F.M. Mark Electronics, Inc. |
| Filter Soft |
| Global EnviroScience Technologies, Inc. |
| Horner Discus Int'l. Inc. |
| WEDECO Ideal Horizons |
| International Water Guard Inc. |
| Krudico, Inc. |
| Moria Crystal LA, Inc. |
| Mountain Filtration Sys., Inc. |
| Nelsen Corp. |
| O-SO Pure |
| Ozone Purification Tech., Inc. |
| Ozonia North America |
| Ozotech, Inc. |
| Pure Aqua, Inc. |
| R-Can Environ. Inc. |
| Safe Water Tech., Inc. |
| Trojan Tech. Inc. |
| Vitacomm |
| Water Group Sys., Inc. |
| Water Tec Int'l. |
| Water Tec Tucson |
| Watermark Corp. |
| Western Water Prod., Inc. |
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