A
APM Hexseal
Airotronics
American Solenoid
Applied Sensing Products (ASP)
ABB Control (Asea Brown Boveri)
Autotron (see Elwood)

B
Brady
    -Identification Solutions
    -Signmark
BW Industries

C
CKE
Carlo Gavazzi
Controlink
Cooper Wiring
Crouse-Hinds
    -Molded Products
Curtis
Custom Connector

D
Dart Controls
Duracell

E
EFI Electronics
Edwards
Eiko
Electro Corp. (see Invensys)
Elwood (Autotron)
Ensto
Entrelec
    -SSAC
Eurobex

F
Ferraz Shawmut
Furnas (see Siemens-Furnas)

G
Gould Shawmut (see Ferraz Shawmut)
GO Switch (see Topworx)

H
Hammond
-Manufacturing
-Power Solutions
Hevi-Duty (see Sola/Hevi-Duty)
Hioki
Homac (formerly Southland)
Hubbell
-----Wiegmann

I
Iboco
Invensys
    -Electro Corp.

J
Jokab Safety
Joslyn Clark

K
Kessler-Ellis (KEP)
Kraus & Naimer
-----American Solenoid

L
Larco
Linemaster
Littelfuse
Lumberg

M
MTE
Macromatic
Magnespec
Marathon/Kulka
Marking Systems International
McKinstry
Micron

N
NK Technologies
NKK Switches
NSI
Namco

P
Panduit
Partex (see Marking Systems Intl.)
Pass & Seymour
Post Glover
Procell (by Duracell)
Products Unlimited
PTR Connex

R
R-K Electronics
Relay Service
Remke
Rittal/Electromate
Robroy Enclosures
-----Stahlin

S
Shimpo
Siemens
-----Energy & Automation
-----Furnas Controls
-----ITE Electrical Products
Sky
Sola/Hevi-Duty
SSAC
Sprecher & Schuh
Stahlin

T
Topworx
-----GO Switch

W
Woertz

Y
Young Electronics