| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | IFM Efector Inc. | USA | |
| 2 | Wisconsin Oven Corp. | USA | |
| 3 | Rockwell Automation | USA | |
| 4 | Motor Protection Electronics (MPE) | USA | |
| 5 | Pilz Automation Safety L.P. | USA | |
| 6 | Omron Automation Americas | USA | |
| 7 | Littelfuse Inc. | USA | |
| 8 | SICK Inc. | USA | |
| 9 | Crouzet | USA | |
| 10 | IDEM Safety Switches USA Inc. | USA | |
| 11 | Macromatic Industrial Controls Inc. | USA | |
| 12 | Euchner-USA Inc. | USA | |
| 13 | Smartscan Inc. | USA | |
| 14 | PICS INC | USA | |
| 15 | Bender Inc. | USA | |
| 16 | Rockford Systems LLC | USA | |
| 17 | E-Max Instruments Incorporated | USA |
