| 1 | PC & S | | USA |
| 2 | STK Electronics Inc. | | USA |
| 3 | Davis Instruments | | USA |
| 4 | DARE Electronics Inc. | | USA |
| 5 | Motor Protection Electronics (MPE) | | USA |
| 6 | Struthers-Dunn Inc. | | USA |
| 7 | Littelfuse Inc. | | USA |
| 8 | SE Relays | | USA |
| 9 | General Filters | | USA |
| 10 | BEP | | USA |
| 11 | E-Max Instruments Incorporated | | USA |
| 12 | Vynckier Enclosure Systems Inc. | | USA |
| 13 | Airotronics Timers and Controls | | USA |
| 14 | Powertek LLC | | USA |
| 15 | Normandy Machine Co. | | USA |
| 16 | Macromatic Industrial Controls Inc. | | USA |
| 17 | LFE/API Meters | | USA |
| 18 | Crouzet | | USA |
| 19 | Instrumentation & Control Systems Inc. | | USA |
| 20 | R-K Electronics Inc. | | USA |
| 21 | PICS INC | | USA |
| 22 | Jameco Electronic Components & Computer Products | | USA |
| 23 | Bender Inc. | | USA |
| 24 | Perfect Switch LLC | | USA |
| 25 | Deltrol Controls | | USA |
| 26 | B & B Electronics Manufacturing Co. | | USA |
| 27 | Multicam Inc. | | USA |
| 28 | Basler Electric Co. | | USA |
| 29 | Sentinel Power Inc. | | USA |
