3M
Baldor Motors
Benjamin Signal
Brady Wire Markers
BRK Electronics
Buchanan Elec. Products
Buss Fuse
C & R Foams & Sealants
Caddy
Dottie
Edwards
Fastway
Firex Smoke Detectors
Fyrnetics
Ferraz Shawmut Fuses
Gould Wiring Duct & Fuse Blocks

Ideal Industries
Littlefuse
Mamac Systems (controls)
McGill Mfg.
Moldcast Mfg. Co.
Plymouth Tapes
Porcelain Products
Ramset
Ray-O-Vac
Reliance Fuse
Scotchlocks & Terminals
Selecta Switch
Touch Plate
Walker Duct
Wiremold, Co.