 | 3M | |
| Aerospace | |
| Alta Technology | |
| Amer. Elec. Cable | |
| Amer. Elec. Cordsets | |
| Amp | |
| Atlantic Tubing | |
| Atlas | |
| Birnbach | |
| Cable U.S.A. | |
| Carol Cable | |
| Cobra | |
| Cole-Flex | |
| Coleman Cable | |
| Commscope | |
| Comtran | |
| Consolidated Wire | |
| Continental Cordage | |
| Cooner Wire | |
| Daburn | |
| Dataguide | |
|
| Dearborn | |
| Essex | |
| E-Z Form | |
| General Cable | |
| W.L. Gore | |
| Harbour | |
| Haverhill Cable | |
| Hitachi | |
| Hueson | |
| Insultab | |
| International Cordsets | |
| Judd | |
| Kalas | |
| Leviton | |
| Madison | |
| Manhattan | |
| Markel | |
| Mogami | |
| Molex Premise Networks | |
| James Monroe | |
|
| Montrose | |
| N.E. Elec. Wire | |
| Northern Tech. | |
| Olflex | |
| PMC Surprenant | |
| Quabbin | |
| Rockbestos | |
| Shaxon Industries | |
| Spectra-Strip | |
| Surprenant | |
| Sumitomo | |
| TechFlex | |
| Teledyne-Thermatics | |
| Thermax | |
| Times Fiber | |
| Unicable | |
| Wirecraft | |
| Wiremold | |
| Zeus | |
| Zippertubing | |
|
