| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Tecsis LP | USA | |
| 2 | Fairchild Industrial Products a Rotork Instruments company | USA | |
| 3 | PCB Piezotronics Inc. | USA | |
| 4 | Meggitt Sensing Systems – Wilcoxon Research | USA | |
| 5 | Dryer Master Inc. | USA | |
| 6 | Nolta Inc | USA | |
| 7 | ThermoProbe Inc. | USA | |
| 8 | Stellar Technology Inc. | USA | |
| 9 | Phidgets Inc | USA | |
| 10 | Banner Engineering Corp. | USA | |
| 11 | Baumer Ltd. | USA | |
| 12 | Spectec | USA | |
| 13 | Intek Inc. | USA | |
| 14 | IFM Efector Inc. | USA | |
| 15 | Emerson Automation Solutions Regulators and Relief Valves | USA | |
| 16 | Rockwell Automation | USA | |
| 17 | MSA Safety | USA | |
| 18 | Edgetech Instruments Inc. | USA | |
| 19 | Celera Motion | USA | |
| 20 | Devar Inc. | USA | |
| 21 | Smith Systems Inc. | USA | |
| 22 | Swagelok Company | USA | |
| 23 | ENMET | USA | |
| 24 | Minco | USA | |
| 25 | TT Electronics | USA | |
| 26 | New Avionics Corp. | USA | |
| 27 | National Magnetic Sensors Inc. | USA | |
| 28 | Vitec Inc. | USA | |
| 29 | FTI Flow Technology Inc. | USA | |
| 30 | Tel-Tru Mfg. Co. Inc. | USA | |
| 31 | Exergen Corp. | USA | |
| 32 | Motion Sensors Inc. | USA | |
| 33 | Maxcess | USA | |
| 34 | Migatron Corp. | USA | |
| 35 | R. Stahl Inc. | USA | |
| 36 | AMETEK Factory Automation | USA |