| 1 | Hal Technology LLC | | USA |
| 2 | Scribner Associates Inc. | | USA |
| 3 | RAE Systems Inc. | | USA |
| 4 | Fluorometrics Instruments LLC | | USA |
| 5 | AVCS – American Ventilation Control Systems | | USA |
| 6 | Analytical Sensors Inc. | | USA |
| 7 | Industrial Scientific Corp. | | USA |
| 8 | Alpha Omega Instruments Corp. | | USA |
| 9 | Weiss Research Inc. | | USA |
| 10 | Pepex Biomedical Inc. | | USA |
| 11 | Zimmer and Peacock Inc. | | USA |
| 12 | Sierra Monitor Corporation | | USA |
| 13 | CoorsTek Sensors LLC | | USA |
| 14 | DOD Technologies | | USA |
| 15 | IFM Efector Inc. | | USA |
| 16 | Control Instruments Corp. | | USA |
| 17 | Figaro USA Inc. | | USA |
| 18 | MSA Safety | | USA |
| 19 | Eagle Microsystems Inc. | | USA |
| 20 | Cubic Sensor and Instrument Co. Ltd. | | USA |
| 21 | Nova Analytical Systems | | USA |
| 22 | Telemecanique Sensors | | USA |
| 23 | ENMET | | USA |
| 24 | Automation Products Group Inc. (APG SENSORS) | | USA |
| 25 | Chasm Advanced Materials | | USA |
| 26 | Conductive Technologies Inc. | | USA |
| 27 | MSA The Safety Company | | USA |
| 28 | Advanced Chemical Sensors | | USA |
| 29 | Thermo Fisher Scientific | | USA |
| 30 | PARC a Xerox Company | | USA |
| 31 | FPI Sensors Inc. | | USA |
| 32 | MEECO Inc. | | USA |
| 33 | Texas Instruments | | USA |
| 34 | PICS INC | | USA |
| 35 | Ercon Inc. | | USA |
| 36 | MicroStrain a LORD Company | | USA |
| 37 | Nexceris | | USA |
| 38 | Binergy Scientific Inc. | | USA |
