| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | IFM Efector Inc. | USA | |
| 2 | Siemens Process Instrumentation | USA | |
| 3 | Transducer Techniques LLC | USA | |
| 4 | Smith Systems Inc. | USA | |
| 5 | Spectec | USA | |
| 6 | AW-Lake Company | USA | |
| 7 | Telemecanique Sensors | USA | |
| 8 | Automation Products Group Inc. (APG SENSORS) | USA | |
| 9 | Magnetic Sensors Corporation | USA | |
| 10 | Mark-10 Corp. | USA | |
| 11 | Sensoronix Inc. | USA | |
| 12 | Visi-Trak Worldwide LLC | USA | |
| 13 | Opsens Solutions Inc. | USA | |
| 14 | Sensor Solutions | USA | |
| 15 | PICS INC | USA | |
| 16 | Consero Inc. | USA | |
| 17 | Tecsis LP | USA | |
| 18 | Phidgets Inc | USA | |
| 19 | Omega Engineering Inc. | USA | |
| 20 | Contrex Inc. | USA | |
| 21 | FPI Sensors Inc. | USA | |
| 22 | AI-Tek Instruments LLC | USA |
