Plumbing Companies
- Adamson
- Aerco
- American Standard Water Heaters
- Aqua Glass
- Bell & Gossett, xylem
- Bryan Boiler
- Cemline
- Cetainteed PVC Products
- Cobb Ind. – Portable Pipe Freezing Equipment
- Electric Eel
- Elkay
- Elkhart Brass
- Goulds Pumps, xylem
- Griswold
- Grohe
- Halsey Taylor
- Highland tank
- Holby Valve
- In-Sink-Erator
- Jacuzzi
- Josam
- Just Stainless Steel Sinks
- Lochinvar
- Oasis Industries
- Raychem
- Sterling
- Vertiflo
- Victaulic
- Weil Pump Company
- Wessels Tanks & Glycol Make-up Packages