| 1 | STK Electronics Inc. | | USA |
| 2 | Airotronics Timers and Controls | | USA |
| 3 | Electro-Matic Products Inc. | | USA |
| 4 | Basler Electric Co. | | USA |
| 5 | WEG Electric Corp. | | USA |
| 6 | Amperite Co. | | USA |
| 7 | Pilz Automation Safety L.P. | | USA |
| 8 | Omron Automation Americas | | USA |
| 9 | IDEC Corp. | | USA |
| 10 | API Technologies | | USA |
| 11 | Littelfuse Inc. | | USA |
| 12 | SE Relays | | USA |
| 13 | Siemens Corporation | | USA |
| 14 | Sylvania | | USA |
| 15 | c3controls | | USA |
| 16 | Jameco Electronic Components & Computer Products | | USA |
| 17 | Macromatic Industrial Controls Inc. | | USA |
| 18 | Springer Controls Co. | | USA |
| 19 | TE Connectivity | | USA |
| 20 | Instrumentation & Control Systems Inc. | | USA |
| 21 | Perfect Switch LLC | | USA |
| 22 | NTE Electronics Inc. | | USA |
| 23 | Contrex Inc. | | USA |
| 24 | Turck Inc. | | USA |
| 25 | Eaton Crouse-Hinds Division | | USA |
| 26 | PICS INC | | USA |
| 27 | Transducers Direct | | USA |
| 28 | Deltrol Controls | | USA |
| 29 | B & B Electronics Manufacturing Co. | | USA |
