| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Rockwell Automation | USA | |
| 2 | Wieland Electric Inc. | USA | |
| 3 | Struthers-Dunn Inc. | USA | |
| 4 | SE Relays | USA | |
| 5 | Electro-Matic Products Inc. | USA | |
| 6 | NTE Electronics Inc. | USA | |
| 7 | R-K Electronics Inc. | USA | |
| 8 | Jameco Electronic Components & Computer Products | USA | |
| 9 | TE Connectivity | USA | |
| 10 | PICS INC | USA | |
| 11 | B & B Electronics Manufacturing Co. | USA | |
| 12 | American Zettler Inc. | USA | |
| 13 | STK Electronics Inc. | USA |
