| Appliances |
| Broan/Nutone |
| BRX Smoke Detectors |
| Firex Smoke Detectors |
| Flowtron Bug Killers |
| Kidde |
| Leviton Decorative Home Control |
|
| Ballasts |
| Advance Ballasts |
| Magnetek Electric |
| Osram Sylvania |
|
| Commerical & Industrial Lighting |
| Alko |
| Appleton Electric Company |
| Columbia |
| Cooper Lighting |
| Crescent |
| Emco |
| Emergi-lite |
| Exide |
| Fail-Safe |
| Gardco |
| General Electric |
| Hadco |
| Halo |
| Hapco |
| Hi-Tek |
| Hubbell Lighting |
| Hydrel |
| Kim |
| Lightolier |
| Lithonia |
| Lumark |
| Lumec Lighting |
| McGraw Edison Mercury |
| Metalux |
| Prescolite |
| Primelite |
| RAB |
| Scotts |
| Spaulding |
| Stonco |
| Sure-Lites |
| WF Harris |
|
| Conduit Fittings, Boxes & Fasteners |
| Appleton Electric Company |
| Arlington Industries |
| Bridgeport |
| Briscon |
| Caddy |
| Carlon |
| Conduit Pipe Product |
| Cully |
| Hoffman Engineering |
| Ideal |
| King Manufacturing |
| M&W |
| Metallics |
| Mulberry Metal |
| Panduit |
| Pass & Seymour |
| Picoma |
| Powers/Rawl |
| Raco |
| Red Dot |
| Shamrock |
| Steel City |
| Thomas & Betts |
|
| Conduit & Raceways |
| Allied Tube & Conduit |
| Carlon |
| Hoffman Engineering |
| Kindorf |
| Panduit |
| Square D |
| Steel City |
| Wheatland |
| Wiremold |
|
| Connectors, Lugs, Splicing, Terminating & Insulating |
| 3M |
| CRC Chemicals |
| GC/Waldom |
| Ideal Industries |
| International Protective Coatings |
| Panduit |
| Thomas & Betts |
|
| DataComm |
| Amprobe |
| Arlington |
| Belden |
| Caddy |
| Carol |
| Coleman |
| Edwards |
| Essex |
| Fluke |
| Gardner-Bender |
| GC Electronics |
| General |
| Greenlee |
| Hitachi Cable |
| Ideal |
| Ideal |
| Klein |
| Leviton DataComm |
| Maple Chase |
| Panduit |
| Thomas & Betts |
|
| Distribution Equipment |
| Eaton/Cutler Hammer |
| Midwest Electrical Products |
| Square D |
|
| Electric Comfort Products |
| Kichler |
| Airmaster |
| Emerson |
| Galaxy Lasko |
| Honeywell |
| Broan/Nutone |
| Patton |
| Q-Mark |
| Fanimation |
| Panasonic |
| NuHeat |
| Westinghouse |
| Progress |
| Seagull |
|
| Fuses |
| Bussman |
| Ferraz-Shawmut |
| Littlefuse |
|
| Generators & Surge Supression |
| Eaton/Cutler Hammer |
| Generac |
| Intermatic |
| Leviton |
| Square D |
|
| Industrial Controls |
| Eaton/ Cutler-Hammer |
| Intermatic |
| Square D |
| Tork |
|
| Lamps |
| Bulb Bright |
| Eiko |
| HID/Venture |
| Osram Sylvania |
| Philips |
| Satco |
| Shat-R-Shield |
| Westinghouse |
|
| Poles |
| Primelite |
| Emco |
| Gardco |
| Hadco |
| Lithonia |
| Lumark |
| National Lighting Standard |
| PK Poles |
| RAB |
| Ryther Purdy (wood) |
| Shakespeare (fiberglass) |
