A
Aim Electronics
Alpha Wire
American Beauty
Amperite
Amprobe
Antennacraft
Astatic
Atlas

B
Beau
Belden
B & K Precision
Bogen
Bud Industries
Bussmann

C
Caltronics
Centralab
Chicago Miniature
Cobra
Cole Flex
Components
Concord
Coopertools
Cornell Dubilier
Cutler Hammer

D
Daburn
Dantona
Datak
David Clark
Diamond
Duracell

E
Eclipse
Edsyn
E.F. Johnson
Eimac
Electro Mech
Erem
Ersin Multicore
Esico
EVG
EZ Hook
ECG
Excelta

F
Fluke
Fourjay

G
GC Electronics
GE
General Instrument
GN
Greenlee Tool
GTE Sylvania

H
H.H. Smith
Hexacon
Howard W. Sams
Hunt Mfg. Co.

I
Ico Rally
Ideal Industries
International Components
Interstate
IRC
ITT Pomona

J
J.W. Miller
Johnson, E.F.
Jovial Test Equip.

K
K-40
Kester Solder
Kilo Int.
Klein/Vaco

L
Luxo
Linrose

M
3M
Meterman/Fluke
Maxell
Mallory
Manhattan/CDT
Master Appliance
Maxon
Midwest
Miller, J.W.
Mueller
Multicore

N
National Tubes
Newman/Antex
NTE
Norman Lamps

O
Ohmite
OK Industries
Osram

P
Panavise
Panduit
Perma Power
Philmore
Plato
Pomona
Potter & Brumfield
Precision Elect.

R
Raytheon
Rohn Towers
Russell Industries
Ramko

S
Scrubs
SL Waber
Shure
Shurite
Simpson
Solder Removal
Solder Wick
Soundolier
Smith, H.H.
Spectrol
Spemco
Spring Action
Staco
Sunray
Susco
Switchcraft
Sylvania

T
TDK
Test Products, Int.
Triad Magnetek
Tripp Lite


U
Ungar
Unarco/Rohn
Uniden
Unicorn

V
Vaco
Vanco
Vector

W
Waber
Waldom
Wavetek
Weather Alert
Workman

X
Xacto
Xcelite