| 1 | Davis Instruments | | USA |
| 2 | California Analytical Instruments Inc. | | USA |
| 3 | Burrell Scientific | | USA |
| 4 | Ducon Technologies Inc. | | USA |
| 5 | Cemtrex Inc. | | USA |
| 6 | DILO Co. Inc. | | USA |
| 7 | Infrared Industries | | USA |
| 8 | Webber Engineering & Manufacturing Inc. | | USA |
| 9 | Planet Equipment Inc. | | USA |
| 10 | Monitoring Instruments Products Div. Of Ducon Technologies | | USA |
| 11 | Actron | | USA |
| 12 | Kal-Equip Co. | | USA |
| 13 | Infitron Inc. | | USA |
| 14 | Air Instruments Measurements Inc. | | USA |
| 15 | Dynalco | | USA |
| 16 | ECOM America Ltd. | | USA |
| 17 | Servomex Inc. | | USA |
| 18 | Emission Systems Inc. | | USA |
| 19 | ECOTEC Solutions Inc. | | USA |
| 20 | Paul N. Gardner Co. Inc. | | USA |
| 21 | Cerex Monitoring Solutions LLC | | USA |
| 22 | Robert H. Wager Co. Inc. | | USA |
| 23 | HelioWorks Inc. | | USA |
| 24 | GreCon Inc. | | USA |
| 25 | Wohler USA Inc. | | USA |
| 26 | ECO Physics Inc. | | USA |
| 27 | AquaPhoenix Scientific | | USA |
| 28 | Enviromax | | USA |
| 29 | Mid-State Instruments | | USA |
| 30 | HORIBA Instruments Inc. | | USA |
| 31 | MKS Instruments Inc. | | USA |
| 32 | OTC-SPX Corp. | | USA |
| 33 | Testo Inc. | | USA |
| 34 | Sylvania | | USA |
| 35 | Mustang Dynamometer / Mustang Engineering | | USA |
| 36 | CO2 Solutions Inc. | | USA |
| 37 | The Engwald Corporation | | USA |
| 38 | E Instruments International | | USA |
| 39 | ADB Inc. | | USA |
| 40 | AMETEK Process Instruments | | USA |
| 41 | Cubic Sensor and Instrument Co. Ltd. | | USA |
| 42 | Control Instruments Corp. | | USA |
| 43 | Mac Instruments | | USA |
| 44 | ENVEA Inc. | | USA |
| 45 | Environics Inc. | | USA |
| 46 | ABB E-mobility | | USA |
| 47 | Nova Analytical Systems | | USA |
| 48 | Oxigraf Inc. | | USA |
| 49 | Siemens Corporation | | USA |
| 50 | COSA Xentaur Corp. | | USA |
| 51 | Blanke Industries Inc. | | USA |
| 52 | Amprobe Instrument Corporation | | USA |
| 53 | ENOTEC Inc. | | USA |
| 54 | Bridge Analyzers Inc. | | USA |
| 55 | IMR Enviromental Equipment Inc. | | USA |
| 56 | Micromeritics Instrument Corporation | | USA |
| 57 | Applied Analytics Inc. | | USA |
| 58 | Applus+ Technologies | | USA |
| 59 | AMETEK PI Combustion | | USA |
| 60 | Apex Instruments Inc. | | USA |
| 61 | AMETEK Land | | USA |
| 62 | CIC Photonics Inc. | | USA |
| 63 | Sensors Inc. | | USA |
| 64 | Dwyer Instruments Inc. | | USA |
