- A
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- Acme Transformers
- Active Safety
- Adalet
- Advance Transformer Co.
- Aetna Wire
- Agastat
- Airmaster Fan
- Airpax Circuit Breakers
- Alcan Cable
- Alflex
- Allied Moulded Products
Allied Strut - Allied Tube & Conduit
- Alpha Wire
- American Circuit Breaker
- American Electric
- American Fittings
- American Flexible Conduit
- American Fluorescent
- American Insulated Wire
- American Metal Moulding
- American Polywater
- American Saw and Mfg.
- Amp Special Industries
- Amphenol
- Amprobe
- Anamet-Anaconda
- Anchor Electric
- Appleton Electric
- Area Lighting Research
Arlington Arrow-Hart - Asco Valves
- ASEA
- Athena Controls
- Automatic Connector
- Automatic Switch
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- B
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B-Line Systems Belden Wire Berko Berk-Tek Wire Blackburn Bowers Brady, W.H. Co. Brad Harrison Co. Brand-Rex Wire Bridgeport Fittings Bright Star Industries Bronzlite Burlington Safety Labs BRK Electronics Buchanan Bud Industries Burndy Corp. Bussmann Mfg. |
- C
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- Cablec Cable
- Caddy
- Cadweld
- Capri Lighting
- Carlon
- Carol Cable
- Carolina Production Enterprises (FPE Heat)
- Century Tube
- Cerro Wire
- Chalfant Mfg.
- Chelsea Fans & Blowers
- Chloride Systems
- Chromalox
- Cobra Wire Leader
- Coleman Cable Systems
- Colonial Cable
Columbia Lighting - USI - Conduit Pipe Products
- Cooper Industries
- CRC Chemicals
- Crescent Lighting
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- D
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Daburn Electronics Day-Brite Lighting Dearborn Wire Dek Duct Systems Delta Lighting Arrestors Delta Metal Products Dongan Electric Dossert Draka Elevator Products Drummond American Dual-Lite Mfg.
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- E
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E-MON Corp. EBT - Electronic Ballast Technology Eagle Electric Eagle Signal Easco Aluminum Conduit Easco Lighting Eaton / Cutler-Hammer ECP - Energy Conservation Products Edwards Elastimold Electri-Flex Electriduct Electromate Electromode Emergi-Lite English Electric Erico Products Essex Wire Etcon ETP-Berger Eveready Battery Exergen Exide EZ Controls (Rainbird) |
- F
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Fasco Industries Federal Pacific Electric Federal Signal Feedrail (Division of Russell & Stoll Company ) Ferraz Shawmut Firex Fluke Fyrnetics FRE Fiberglass Conduit |
- G
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- GE Electrical Distribution & Control
- GE Lighting
- G&W Electric
- Gardner Bender
- General Cable
- Globe Strut & Cable Tray
- Gould Shawmut Fuse
Grasslin Controls - Greenlee Tool
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- H
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- Halo Lighting
- Heineman Circuit Breakers
- Hevi-Duty Electric
- Heyco Fittings
- Hioki
- Hoffman
- Holophane Lighting
- Homac
- Honeywell
- Hubbell Wiring Devices
- Hubbell Lighting
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- I
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IBM - Product Integrator, Industrial Computers ITE Electrical Products Ideal Industries IIsco Corp Intermatic International Protective Coatings Isolite Isoreg |
- J
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Jefferson Electric Joy Mfg. Juno Lighting |
- K
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Kay Phase Converters Keene Lighting Kellems Kenall Lighting Kerite Cable Key Systems Keystone Enclosure Keystone Lighting - USI Kichler Lighting Killark Kim Lighting Kindorf Kings Electronics Klein Tool Knopp Korns, C.C. Kulka Electric |
- L
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- Lambro Industries
- LCB - Lighted Circuit Breaker
- Ledtronics
- Lee Products
- Leviton Mfg.
- Lightalarms
- Lightolier
- Lightron of Cornwall
- Linemaster Switch
- Lithonia Lighting
- Littlefuse
- LTV Steel
Locon Sensor - Lumark Lighting
- Lutron
- Luxo Lamp
- Lynn Ladder
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- M
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3M Company Mac Products Mag-Lite Magnetek Manhattan Electric Cable Marathon Markel Electric Mark-Time McGill Mfg. McGraw-Edison (Division Cooper Lighting) McPHilben Lighting Meltric Corp. Mercoid Mercury Lighting Metallics Metalux Lighting (Division of Cooper Lighting) Micro Switch (Division of Honeywell) Micron Transformer Midwest Electric Minerallac Moldcast Lighting-USI Motorola Radio Mueller Electric Mulberry Metals Myers Electric |
- N
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- Neer Mfg.
- Nehring Wire
- Nelson, G.S. Electric (EGS Electrical Group)
- Nutone
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- O
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- Occidental Coating
- Okonite Cable
Ortronics - Osaki Meter
Oram/Sylvania - O.Z. Gedney
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- P
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- Paladin Corp.
- Panduit
- Patton Fans
- Penn-Union
- Perfect Line
- Philips Drill
- Philips Lighting
- Photoswitch/A-B
- Picoma Industries
- Pirelli Cable
- Plymouth Rubber
- Porcelain Products
- Potter & Brumfield
- Power Controls
- Presolite Lighting - USI
- Progress Lighting
- Progressive Electronics
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- Q
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Q Mark Quazite Corp. |
- R
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Rab Electric Raceway Components Raco Rawplug Raychem Heat Tape Raychem High voltage Rayovac Battery Red Dot Redington Counters Rees Regal Mfg. Reliance Remee Wire Rhodes, M.H. Ridgid Tool Robertson Transformer Robroy Industries Rockbestos Rome Cable Royal Electric RTE Corp. Russelectric Russellstoll |
- S
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- 5 Star Hardware
- Sangamo Electric
- Schrack Relays
- Scotch - 3M
- Seagull Lighting
- Seatek
- Selecta Switch
- Senisys
- Sentinel
- Shat-R-Shield
- Siecor
- Siemens
- Simkar
- Simpson Instruments
- Skan-a-matic
- Smith-Gates
- Sola Electric
- Southwire
- Sperry, A.W.
- Spring City Electric
- Staff Lighting
- Stahlin
- Steel City
- Stewart R. Brown
- Stonco Lighting
- Superior Electric
- Super-Strut
- Sure-Lites
- Suttle Apparatus
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- T
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- T&B/Thomas & Betts
- Tamaqua Cable
- Tapeswitch
- Taylor Electric
- Taymac
- Teledyne
- Tempco Electric Heater
- Tensolite
- Thomas Lighting
- Tif Instruments
- Time Mark Corp
Topaz Fittings - Tork
- Touch Plate
- Triad-utrad
- Triangle
Tyco
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- U
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- Underground Devices
- Unicom Electric
- Unistrut
- Universal Ballast
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- V
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VAW of America Valmount Electric Velcro Venture Lighting Victor Specialties Vynckier (English Electric) |
- W
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Waber Electric Wadsworth Electric Wago Corp Walker-Parkersburg Watlow Electric Watt Stopper Watt Watcher Wheatland Conduit Wheelock Widelite Lighting Winco Wiremold Co. Woodhead, Daniel Co. World Dryer |
- Y
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Yorkville Industries |
- Z
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Zenith Controls |
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