| 1 | Infitec Inc. | | USA |
| 2 | Eaton Crouse-Hinds Division | | USA |
| 3 | Texas Instruments | | USA |
| 4 | Firgelli Automations | | USA |
| 5 | Mercury Displacement Industries Inc. (MDI Inc.) | | USA |
| 6 | Industrial Timer Co. | | USA |
| 7 | Instrumentation & Control Systems Inc. | | USA |
| 8 | Graphic Parts International Inc. | | USA |
| 9 | c3controls | | USA |
| 10 | B & B Electronics Manufacturing Co. | | USA |
| 11 | Janesville Tool & Mfg. Inc. | | USA |
| 12 | ISSC-Kanson Electronics Inc. | | USA |
| 13 | STK Electronics Inc. | | USA |
| 14 | Amperite Co. | | USA |
| 15 | Stephens Mfg. Co. Inc. | | USA |
| 16 | Rockwell Automation | | USA |
| 17 | Motor Protection Electronics (MPE) | | USA |
| 18 | NOARK Electric North America | | USA |
| 19 | Struthers-Dunn Inc. | | USA |
| 20 | Omron Automation Americas | | USA |
| 21 | Laurel Electronics Inc. | | USA |
| 22 | Viable Power Conversion Technologies | | USA |
| 23 | SE Relays | | USA |
| 24 | High Frequency Technology Co. Inc. | | USA |
| 25 | Marsh Bellofram Corp. | | USA |
| 26 | TE Connectivity | | USA |
| 27 | Autonics USA | | USA |
| 28 | Vynckier Controls Inc. | | USA |
| 29 | Polytron Corp. | | USA |
| 30 | Vynckier Enclosure Systems Inc. | | USA |
| 31 | PICS INC | | USA |
| 32 | Airotronics Timers and Controls | | USA |
| 33 | Turck Inc. | | USA |
| 34 | Schneider Electric | | USA |
| 35 | NTE Electronics Inc. | | USA |
| 36 | R-K Electronics Inc. | | USA |
| 37 | Macromatic Industrial Controls Inc. | | USA |
| 38 | DFX Technologies LLC | | USA |
