3M
Accu-Sort
ACME Electric Co.
Adalet Manufacturing Co.
Adaptive Micro Systems Inc.
Advance Transformer Co.
Allen-Bradley
Alpha Wire & Cable
AMCI (Advanced Micro Controls, Inc.) Anaconda
Appleton Electric Co.
Blackburn
Brad Harrison
Brady, W.H., Co.
Carlon
Columbia Lighting
Control Concepts
Daniel Woodhead Co.
Dongan
Dual Lite
Edwards Co., Inc.
Electri-Flex
Endress+Hauser
Entek
Federal Signal

Ferraz Shawmut
General Electric
Grace
Greenlee
Hoffman Engineering Co.
Holophane
Hubbel Lighting
Hubbel Wiring-Kellems
Ideal Industries, Inc.
Ilsco Corp.
Intravue
Jasco
Keystone Lighting
Killark Electric Manuf. Co.
Klein Tool Co.
LPS Labs
Marathon Electric Co.
McGill
McLean
Metallics
Mulberry Metal Products Network Solutions
N-Tron

Olflex Cable
OMNI Cable
ONEAC
O.Z. Gedney
Panduit Corp.
Philips
Pro-Soft Technology, Inc.
Raco, Inc.
Rayovac
Red Dot
Rockwell Automation
Roxtec
Russellstoll
Salisbury
Shat-R-Shield Inc.
Sola/Hevi-Duty
Spectrum Controls
Steel City
Super Strut
Thomas & Betts, Inc.
Universal
Versabar
Woodhead Connectivity