Alsons Shower Systems
American Standard
Amtrol
Anvil
AO Smith
Apollo Ball Valves
Basco Shower Doors
Bradley Wash Fountains
Capitol Pipe Nipples
Cash Acme/Sharkbite
Cerro Copper
Charlotte Pipe & Foundry
Cherne Industries Test Equipment
Church Toilet Seats
Creative Marble
Cresline Pipe
Dayton Sinks
Dearborn Tubular Products
Delta Faucets
Elkay Sinks, Water Fountains, Water Coolers
Elkhart Pipe Fittings
Fernco
First Company Air Handling Equipment
Flanders Filtration products
General Pipe Cleaners
Grundfos Pumps
Haws Water Coolers
Hercules Chemicals
HydroHeat Geothermal
In-Sink-Erator Disposers
Lasco Bathware & Shower Doors
Lenox American Saw Company

Marathon Water Heaters
Mansfield China Products
Merit Brass, Stainless Import and Domestic Fittings
Mill-Rose Trends PVC
Moen Inc
Nibco
Oatey Products
Phoenix Forge Group
PHD Manufacturing
Porcher
Red White Valve
Ridgid Tools
Ruud Water Heaters
Sioux Chief
Spears
Swanstone
Symmon's Valve
Topp
Trinity Boilers (NTI)
Truebro Inc. (IPS Corp.)
Turbo Torch (Thermadyne)
Tyler Pipe
Viessmann Boilers
Victaulic
Vitra
Ward Manufacturing
Watco
Watts Valve
Whirlpool
Wilkins Valve (Zurn)
Woodford Mfg
Zoeller
Zurn

Acadia Int'l (Hallowell)
Alderon Indus. (Temp-a-Stat)
AO Smith Motors
Bassett Hangers (C&S Mfg.)
B&D Flow Centers
Bell & Gossett Pumps (ITT)
Broan
Burham Boilers
Desert Springs
Diverstech
Dynamic Air Cleaners
Easy Air
Electro Industries
Eneready
EPDM
Exhausto
Famco
Fantech
Flanders air filters
Fomo
Fujitsu
Gastite
Grundfos Circulating Pumps
Hart & Cooley
Heat Link
HGI Industries (Odorox)
Honeywell
Hydromatic
ICM
Jackel
Lenox Tools

Lessco
LG
Malco Tools
Marathon
Metal-Fab Inc.
Millrose
Modine
Nordyne Philco
Panasonic
Philco
Pure Air Systems
Purolator
Raven Industries
RCD Duct Mastic
Reznor
Rheem Mfg.
Samsung
Snappy Vent Products (Standex)
Taco Pumps
Therma-Stor
Thermolec
Trinity Boilers (NTI)
UV Aire (Field Controls)
Veismann Boilers
Venmar CES
Venmar Ventilation
Wardflex
Watts Radiant
Westinghouse
Zero Draft
Zurn Pex