| 1 | Lake Shore Electric Corporation | | USA |
| 2 | Gems Sensors & Controls | | USA |
| 3 | Columbus Electric Mfg. Co. | | USA |
| 4 | Bender Inc. | | USA |
| 5 | Celduc Inc. | | USA |
| 6 | SSAC Inc. | | USA |
| 7 | Hasco Relays & Electronics International Corp. | | USA |
| 8 | Anacon Power & Controls | | USA |
| 9 | Esterline Power Systems | | USA |
| 10 | Finder Worldwide | | USA |
| 11 | TE Connectivity | | USA |
| 12 | Turck Inc. | | USA |
| 13 | R-K Electronics Inc. | | USA |
| 14 | Mercury Displacement Industries Inc. (MDI Inc.) | | USA |
| 15 | Murrelektronik Inc. | | USA |
| 16 | Sylvania | | USA |
| 17 | B & B Electronics Manufacturing Co. | | USA |
| 18 | STK Electronics Inc. | | USA |
| 19 | Cytec Corp. | | USA |
| 20 | North American Sensors Corporation | | USA |
| 21 | PC & S | | USA |
| 22 | ABB Control Inc. | | USA |
| 23 | Landis & Staefa Inc. | | USA |
| 24 | WAGO Corp. | | USA |
| 25 | Rockwell Automation | | USA |
| 26 | Cit Relay & Switch | | USA |
| 27 | Motor Protection Electronics (MPE) | | USA |
| 28 | Devar Inc. | | USA |
| 29 | Yaskawa America Inc. – Drives & Motion Division | | USA |
| 30 | NOARK Electric North America | | USA |
| 31 | Struthers-Dunn Inc. | | USA |
| 32 | SE Relays | | USA |
| 33 | Littelfuse Inc. | | USA |
| 34 | Siemens Corporation | | USA |
| 35 | Opto 22 | | USA |
| 36 | API Technologies | | USA |
| 37 | Altech Corp. | | USA |
| 38 | Firgelli Automations | | USA |
| 39 | Vynckier Enclosure Systems Inc. | | USA |
| 40 | Relay Service Co. | | USA |
| 41 | Perfect Switch LLC | | USA |
| 42 | E-T-A Control Instruments | | USA |
| 43 | Macromatic Industrial Controls Inc. | | USA |
| 44 | Schneider Electric | | USA |
| 45 | Omntec Manufacturing | | USA |
| 46 | HBcontrols Inc. | | USA |
| 47 | TPI Corporation | | USA |
| 48 | PICS INC | | USA |
