| 1 | Micro Systems Technologies | | USA |
| 2 | Davis Instruments | | USA |
| 3 | Insite Instrumentation Group Inc. | | USA |
| 4 | Pronghorn Technologies LLC | | USA |
| 5 | Sensicore | | USA |
| 6 | Hydrolab | | USA |
| 7 | Swan Analytical USA Inc. | | USA |
| 8 | IFM Efector Inc. | | USA |
| 9 | Innovative Sensor Technology USA Division | | USA |
| 10 | Inventive Systems Inc. | | USA |
| 11 | Schroeder Industries | | USA |
| 12 | KROHNE Inc. | | USA |
| 13 | Reynolds Culligan | | USA |
| 14 | Polestar Technologies Inc. | | USA |
| 15 | pHionics Inc. | | USA |
| 16 | Lakewood Instruments LLC | | USA |
| 17 | Sensor Electronic Technology Inc. | | USA |
| 18 | Solar Light | | USA |
| 19 | Campbell Scientific Inc. | | USA |
| 20 | Kavlico Position and Force Sensors | | USA |
| 21 | OTT HydroMet | | USA |
| 22 | Phidgets Inc | | USA |
| 23 | L & J Technologies Inc. | | USA |
| 24 | Stevens Water Monitoring Systems Inc. | | USA |
| 25 | SweetSense Inc. | | USA |
| 26 | Omicron Sensing Inc. | | USA |
| 27 | PICS INC | | USA |
| 28 | Forward Threat Control (FTC) | | USA |
| 29 | Oilpure Technologies Inc. | | USA |
| 30 | Burkert Fluid Control Systems | | USA |
| 31 | Global Water Instrumentation Inc. | | USA |