Valves, Control
| Action Mfg. & Supply Inc. |
| Addie Water Sys., Inc. |
| Alan Mfg. |
| Alpine Softener Corp. |
| Amiad Water Sys. Tech. |
| Amtrol, Inc. |
| Applied Membranes, Inc. |
| Aqua Care Sys., Inc. |
| Aquanetics Sys., Inc. |
| Badger Meter, Inc. |
| Bauer Soft Water Co. |
| Bermad, Inc. |
| Bio-Chem Assoc., Inc. |
| Canadian Water Cond. Inc. |
| CAT PUMPS |
| Charger Water Treatment Products, LLC. |
| Dime Water |
| DuPage Water Treat. Prod. |
| Enting Water Cond., Inc. |
| Evolutionary Concepts, Inc. |
| Fleck Controls Inc. |
| General Pump Inc. |
| Great Lakes Int'l., Inc. |
| Hood Mechanical Co. |
| Horner Discus Int'l. Inc. |
| Hudson Corp. of Texas |
| International Water Werks, Inc. |
| Ionics, Inc. |
| Link-O-Matic Co., Inc. |
| MID AMERICA WATER TREATMENT |
| Nelsen Corp. |
| New Age Water Tech. |
| Osmonics Autotrol |
| Parker Hannifin Corp. |
| Plast-O-Matic Valves Inc. |
| Precision Equip. Co. |
| Pro-Flo Prod., Inc. |
| Rowlands Sales Co., Inc. |
| Ryan Herco Prod. Corp. |
| Safe Water Tech., Inc. |
| Specialty Mfg. Co. (The) |
| Springsoft Int'l. |
| Water Tec Int'l. |
| Water Tec Tucson |
| Western Water Prod., Inc. |
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