Buyer's Guide
| Company | Location | Company Type |
|---|---|---|
| Watertiger | Victoria | Manufacturer |
| Waterwise Inc. | Leesburg | Manufacturer |
| Waterworld USA, Inc. | Houston | Manufacturer |
| Watts | North Andover | Manufacturer |
| Watts Water Quality Products | Dunnellon | Manufacturer |
| Wayne Products, Inc. | Frazer | Manufacturer |
| Western Water Products | Diamond Springs | Manufacturer |
| Wheeler-Rex | Ashtabula | Manufacturer |
| WIKA Instrument Corporation | Lawrenceville | Manufacturer |
| Wood Brothers Industries | Lincoln | Manufacturer |
| Woongjin Chemical America Inc. | Irvine | Manufacturer |
| Worrell Water Technologies | Charlottesville | Manufacturer |
| WQA Aquatech USA | Lisle | Manufacturer |
| Wyckomar, Inc. | Guelph | Manufacturer |
