Manufactures in Inventory |
| PCD | Microswitch | Deutsch |
| Aero Electric | Cutler-Hammer | Leach |
| AMP | C&K | Potter & Brumfield |
| Amphenol | Airborne | Struthers-Dunn |
| Bendix | Grayhill | General Electric |
| Burndy | Matrix | Microlamp |
| Cannon | Switchcraft | Sylvania |
| Daniels | Kulka | Sumitomo |
| Kings | Trompeter | T&B |
| Wirepro | Souriau | Panduit |
| Sunbank | Bussmann | Littlefuse |
| Glenair | Mallory | Sprague |
| Klixon | Ohmite | Mechanical Products |