| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | IFM Efector Inc. | USA | |
| 2 | Balluff Inc. | USA | |
| 3 | Thermalogic Corp. | USA | |
| 4 | Sensorex | USA | |
| 5 | SiMa Systems | USA | |
| 6 | Mar-Cor Purification | USA | |
| 7 | PICS INC | USA | |
| 8 | Hawkins & Associates Inc. | USA | |
| 9 | Touch International Inc. | USA | |
| 10 | Mettler-Toledo | USA | |
| 11 | Phidgets Inc | USA | |
| 12 | Motion Sensors Inc. | USA | |
| 13 | Precision Resistor Co. Inc | USA | |
| 14 | Hydro-Check Systems Inc | USA | |
| 15 | The Morey Corporation | USA |
