| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Hampshire Controls Corp. | USA | |
| 2 | IFM Efector Inc. | USA | |
| 3 | Pyromation | USA | |
| 4 | Innovative Sensor Technology USA Division | USA | |
| 5 | Ellab Inc. | USA | |
| 6 | ThermoWorks | USA | |
| 7 | Thermocoax Inc. | USA | |
| 8 | Sensing Systems Corp. | USA | |
| 9 | Star Cryoelectronics | USA | |
| 10 | Opsens Solutions Inc. | USA | |
| 11 | Abbess Instruments & Systems Inc. | USA | |
| 12 | Omega Engineering Inc. | USA | |
| 13 | Scientific Instruments Inc. | USA | |
| 14 | CTR Inc. | USA |
