PLUMBING
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 Plumbing
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

HEATING
Amtrol
Argo
A.O. Smith
Burnham
Dunkirk Boilers
Embassy
Governale
Hot Box
Heatway
McDonnell Miller
Raychem
State Water Heaters
Slant Fin
Smith Boilers
Spirovent
Taco
Tekmar Controls
Viessmann
Weil Mclain

TOOLS
American Saw
Barco Industries
Bosch
Brenelle Enterprises
Bright Star
Channellock
Collins Machinery
COB Industries
Dewalt
ERB Safety Products
Elk River
Evans Tool Corp.
Fein Tools
General Pipe Cleaners
Great Neck Saw
Green Bull Ladder
Hitachi Power Tools
Jepson Power Tools
Klenk Industries
Knaack & Weather Gaurd
Leatherman
Lug-All Corp.
Makita Power Tools
Martin Sprocket & Gear
MEI Corp. (Motorola)
Mephisto Tool Corp.
Michigan Ladder Co.
Mid State Extension Cords
MK Diamond Core Bits
Mr. Heater
Milwaukee Power Tools
C.S. Osborne
Pace Machinery
Pipe Tytes
Radiodetection Corp.
Raychem Corp.
Ridgid Tool Corp.
Sioux Chief MFG.
Stanley Tools
Turbo Torch
United Abrasives
Victaulic Tools
Wheeler Rex Corp.
Wright Tool