| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Pilz Automation Safety L.P. | USA | |
| 2 | Omron Automation Americas | USA | |
| 3 | IDEC Corp. | USA | |
| 4 | SE Relays | USA | |
| 5 | Euchner-USA Inc. | USA | |
| 6 | PICS INC | USA | |
| 7 | Rockford Systems LLC | USA | |
| 8 | Crouzet | USA | |
| 9 | Jameco Electronic Components & Computer Products | USA | |
| 10 | IDEM Safety Switches USA Inc. | USA | |
| 11 | Elobau Sensor Technology Inc. | USA | |
| 12 | STK Electronics Inc. | USA | |
| 13 | Airotronics Timers and Controls | USA | |
| 14 | HBcontrols Inc. | USA |
