Acorn Engineering Co.
All State Gasket & Packing
Anvil
Babbitt Steam Specialty Co.
Bobrick Washroom Equip.
Bradley Corp.
BrassCraft MFG.
Central Brass
Charlotte Pipe & Foundry
Cherne Ind.
Chicago Faucet Co.
Conbraco Industries
Coyne & Delany Co.
Crane Valve
Cuno
Delta
Elkay
Elkhart
E.L. Mustee & Sons
Enfield
Fiat
Fluidmaster
Gastite
Geberit
Gerber
Griffin Pipe Products
Halsey Taylor Inc.
Hammond Valve
Haws Drinking Faucet Co.
Holby Valves
Husky
In-Sink-Erator
Juniper Industries Inc.
Kohler
Lasco
Mueller Steam Specialty
Nibco
Oasis Water Cooler Corp.
O.C. Keckley Co.
Olsonite Corp.
Phoenix Forging
Powers Regulator Co.
Seekonk MFG.
M.B. Skinner
Sloan Valve Corp.
Jay R Smith MFG
Speakman Co.
Sterling
Stern Williams Co.
Stockham Valves
Symmons Industries
T&S Brass & Bronze
Thermasol
Tyler Pipe Industries
Victaulic Co. of America
Wade
Wal-Rich Corp.
Ward MFG.
Watts Radiant
Watts Regulator Co.
Weldbend
Wheatland Tube Co.
Woodford
Zurn Industries