| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | IFM Efector Inc. | USA | |
| 2 | Siemens Process Instrumentation | USA | |
| 3 | Process Control Systems Inc. | USA | |
| 4 | Balluff Inc. | USA | |
| 5 | Spectec | USA | |
| 6 | Micro-Epsilon | USA | |
| 7 | RIEGL USA Inc. | USA | |
| 8 | Telemecanique Sensors | USA | |
| 9 | FUTEK Advanced Sensor Technology Inc. | USA | |
| 10 | Consero Inc. | USA | |
| 11 | Monarch Instrument | USA | |
| 12 | PMC Engineering LLC | USA | |
| 13 | Sensor Solutions | USA | |
| 14 | Sensoronix Inc. | USA | |
| 15 | Schneider Electric | USA | |
| 16 | Locon Sensor Systems Inc. | USA | |
| 17 | Dynalco | USA | |
| 18 | PICS INC | USA | |
| 19 | Motion Sensors Inc. | USA |
