American Brass & Iron
- Arrowhead
- Bow
- Cambridge-Lee
- Campbell
- Cash Acme
- Charter Plastics
Cresline
- Danfoss
- Elkhart
- Greenfield
- Holyoke
- Jones Stephens
- Lasco
- Legend
- Matco-Norca
- Mission Rubber
- North American Pipe
- Red & White Valve
- Shark Bite
- Viega
- Wardflex
- Ward Fittings
- Watts
- Wheatland Tube
- Wilkins
- Woodford
- Zurn-Pex