ABB
Acme
Acrolab
Aeco
Agastat
Alltemp
Almetek
Alpha Wire
American Superior
Amp
Amperite
Amphenol
Amprobe
Appleton/Emerson
Arlington
Armaco
Armoat
Asalco
ASB Heating
Asco
Astatic (CND)
A.T.C.
Aube/Honeywell
AugatB & K

B & L
Bach-Simpson
Balluff
Banner
Beckman Meters
Beiden
Bestobell
Bline/Cooper
Bogen
BournsĀ 
Broyce
Bryant/Hubbell
Burkert Valves
Bussman/Cooper

Canarm
Cannon ITT
Carling
Carlo Gavazzi
Carol
Centralab
Chromalox
Cinch
Circuit Test
Cole-Flex
Cooper Wiring
Controlab
Corcom
CRC
Crompton Instr.
Curtis
Cutler-Hammer

Dale
Danfoss
Delhi
Delta
Dialco

Eagle Timers
ECG/Philips
Eclipse Tools
Edison/Cooper
Edsyn
Eiko
Electro Matic
Enerpac
Enforcer
Entrelec/ABB
Etlin Daniels
Eurobex/EXM
Eveready

Finder Relays
Fluke
Forcefield
Fusetek

G&B
Gems
General Cement
General Electric Canada Inc.
General Wire
Globe/Gel
Grayhill
Greenlee
Guardian

Hammond
Hastings
H. Paulin & Co.
Heineman
HellermanTyton
Heyco
Honeywell
Hoyt
Hubbell
Hunter

Ico-Rally
Ideal Industries
Idealite
IDI (Lamps)
IFM Efector
Ilsco
Industrial Timer
International Rectifier
I.R.C. Resistors
ITC Products
ITT Cannon

J.B.T.
Johnson EF

Kester Solder
Keystone
Killark
Klein
Klockner

Leecraft
Lenline
Light Efficient Designs
Lightguard
Linemaster
Littelfuse
LitteliteMaglite
Mallory
Marsland
Master (Heat Gun)
Maxell
Meltric
Mercer
M.G. Chemicals
Microswitch
Motorola
MTP
Mueller

N.C.C.
Noma
NSi Industries/Tork Timers
NTE Electronics

Ohmite
O.K. Tools
Omron
Ouellet Heating
P & F
Pamotor
Panavise
Panduit
Paragon
Pass and Seymour
Patton & Cooke
Philips
Philmore/LKG
Photo-Switch
Polygon
Pomona
Potter & Brumfield
Power Measurement
Powervolt
PRB
Precision Electronics
Provo
Pursley

RAB Design
Rack-A-Tiers
RCA Semi’s
RCC
Red Lion
Rex Power Magnetics
Richo
Rotron

Schiele
Schroff
Scotch-Flex
Secure
Senett
Shure
Siemens
Simpson Meters
Skinner Valves
Smith H.H.
Sola Basic
Sonalert
Spaenaur
Spectro
Standard
Stahl
Star Warning
Struthers-Dunn
Switchcraft
Syntron
Sylvania
Symban Lighting
Syracuse Timers

Tamko
TDK
Technilite
Techspan
Tech-Spray
Telex
Texas Instrument
Thomas & Betts
Thomas Lighting
Transfab Transformers
Tri-Point
Triplett
Turck Sensors

Ungar
University

Vaco
Vector
Veeder-Root
Vernitron
Viking Leather Products
Vista

Wahl
Wakefiel
Waldom
Weidmuller
Weller
Westinghouse
Wilbac
Wiha Tools
Workman

Xcelite

Yuasa