| 1 | Trex Enterprises Corp. | | USA |
| 2 | NovaLynx Corporation | | USA |
| 3 | Remote Sensing Solutions Inc. | | USA |
| 4 | WeatherHawk | | USA |
| 5 | Arable | | USA |
| 6 | Davis Instruments | | USA |
| 7 | Inspeed.Com LLC | | USA |
| 8 | Scintec Corporation | | USA |
| 9 | Optical Air Data Systems | | USA |
| 10 | Balluff Inc. | | USA |
| 11 | Optical Scientific Inc. | | USA |
| 12 | Columbia Weather Systems Inc. | | USA |
| 13 | Telemecanique Sensors | | USA |
| 14 | GENEQ Inc. | | USA |
| 15 | Applied Technologies Inc. | | USA |
| 16 | Kestrel Instruments | | USA |
| 17 | Vaisala Inc. | | USA |
| 18 | Enercorp Instruments Ltd. | | USA |
| 19 | Stevens Water Monitoring Systems Inc. | | USA |
| 20 | Michigan Aerospace Corporation | | USA |
| 21 | C-Lock Inc. | | USA |
| 22 | Maximum Inc. | | USA |
| 23 | Lufft USA Inc. | | USA |
| 24 | Climatronics Corporation | | USA |
| 25 | Dyacon Weather Instruments | | USA |
| 26 | Extech Instruments Corp. | | USA |
| 27 | KRIWAN Americas | | USA |
| 28 | Met One Instruments | | USA |
| 29 | Campbell Scientific Inc. | | USA |
| 30 | B&G | | USA |
| 31 | PICS INC | | USA |
| 32 | Apex Sensor Technology Ltd | | USA |
| 33 | Piezo Technologies | | USA |
| 34 | ZOGLAB Microsystem Inc. | | USA |
