| 1 | Murrelektronik Inc. | | USA |
| 2 | Eaton Crouse-Hinds Division | | USA |
| 3 | Power Precision | | USA |
| 4 | R-K Electronics Inc. | | USA |
| 5 | Advanced Gauging Technologies LLC | | USA |
| 6 | Schneider Electric | | USA |
| 7 | Siemens Energy Inc. | | USA |
| 8 | ABB | | USA |
| 9 | Springer Controls Co. | | USA |
| 10 | General Electric Co. | | USA |
| 11 | Sprecher + Schuh | | USA |
| 12 | Macromatic Industrial Controls Inc. | | USA |
| 13 | ABB Control Inc. | | USA |
| 14 | Hoyt Electrical Instrument Works Inc. | | USA |
| 15 | Veris Industries Inc. | | USA |
| 16 | Toshiba International Corp. | | USA |
| 17 | Carlo Gavazzi Inc. | | USA |
| 18 | STK Electronics Inc. | | USA |
| 19 | C R Magnetics Inc. | | USA |
| 20 | Columbus Fan & Machine Corp. / DC Industrial Sales | | USA |
| 21 | Cerus Industrial Inc. | | USA |
| 22 | VTI Inc. | | USA |
| 23 | GE Digital Energy | | USA |
| 24 | Crown Controls LLC | | USA |
| 25 | Motor Protection Electronics (MPE) | | USA |
| 26 | Rockwell Automation | | USA |
| 27 | WEG Electric Corp. | | USA |
| 28 | Yaskawa America Inc. – Drives & Motion Division | | USA |
| 29 | NOARK Electric North America | | USA |
| 30 | Struthers-Dunn Inc. | | USA |
| 31 | Pilz Automation Safety L.P. | | USA |
| 32 | Littelfuse Inc. | | USA |
| 33 | Basler Electric Co. | | USA |
| 34 | AMETEK Factory Automation | | USA |
| 35 | Fuji Electric | | USA |
| 36 | Bender Inc. | | USA |
| 37 | NTE Electronics Inc. | | USA |
| 38 | HBcontrols Inc. | | USA |
| 39 | R. Stahl Inc. | | USA |
| 40 | c3controls | | USA |
| 41 | Circuit Breaker Sales Co. Inc. | | USA |
| 42 | Esterline Power Systems | | USA |
| 43 | Celduc Inc. | | USA |
| 44 | Phoenix Contact | | USA |
| 45 | Vynckier Enclosure Systems Inc. | | USA |
| 46 | SSAC Inc. | | USA |
| 47 | AMPS | | USA |
| 48 | PICS INC | | USA |
| 49 | Sylvania | | USA |
