| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Magnelink Inc. | USA | |
| 2 | Yaskawa America Inc. – Drives & Motion Division | USA | |
| 3 | Struthers-Dunn Inc. | USA | |
| 4 | Relay Service Co. | USA | |
| 5 | Rockford Systems LLC | USA | |
| 6 | Macromatic Industrial Controls Inc. | USA | |
| 7 | Celduc Inc. | USA | |
| 8 | TE Connectivity | USA | |
| 9 | Esterline Power Systems | USA | |
| 10 | LFE/API Meters | USA | |
| 11 | PICS INC | USA | |
| 12 | STK Electronics Inc. | USA |
