Fittings & Connectors
| Action Mfg. & Supply Inc. |
| Addie Water Sys., Inc. |
| Alamo Water Refiners, Inc. |
| Alan Mfg. |
| Amy Controls, Inc. |
| Applied Membranes, Inc. |
| Aquabase |
| AquaFlow Pump & Supply Co. |
| Campbell Mfg. Inc. |
| Canadian Water Cond. Inc. |
| Challenger Water Int'l., Inc. |
| Charger Water Treatment Products, LLC. |
| Clarity Filters |
| Clean World Waters |
| Compac Engineering Inc. |
| DuPage Water Treat. Prod. |
| Eco-Tech, Inc. |
| Enting Water Cond., Inc. |
| Flowmatic Sys., Inc. |
| Foundry (The) |
| G.A. Murdock, Inc. |
| General Pump, Inc. |
| Great Lakes Int'l., Inc. |
| Home Reverse Osmosis Sys. |
| Hydrocomponents & Tech., Inc. |
| Industrial Research Machine Prod. |
| International Water Werks, Inc. |
| Jaeco-Stewart Inc. |
| John Guest USA, Inc. |
| KPW Ind., Inc. |
| Moria Crystal LA, Inc. |
| NEOPERL Inc. |
| New Age Water Tech. |
| Nimbus Water Sys., Inc. |
| OETIKER, Inc. |
| Ozotech, Inc. |
| Park Int'l. Corp. |
| Pro-Flo Prod., Inc. |
| ProConnect |
| QMP, Inc. |
| REHAU Inc. |
| Related Prod., Inc. |
| Rowlands Sales Co., Inc. |
| Ryan Herco Prod. Corp. |
| Safe Water Tech., Inc. |
| SERFILCO, Ltd. |
| Smart Prod., Inc. |
| Tomlinson Ind. |
| Water Tec Int'l. |
| Water Tec Tucson |
| Western Water Prod., Inc. |
| Wood Bros. Ind. II |
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