| 1 | HBcontrols Inc. | | USA |
| 2 | CII Technologies | | USA |
| 3 | Landis & Staefa Inc. | | USA |
| 4 | Kilovac Products From CII Technologies | | USA |
| 5 | Ward Leonard Electric Co. Inc. | | USA |
| 6 | Coto Corporation | | USA |
| 7 | WAGO Corp. | | USA |
| 8 | Rockwell Automation | | USA |
| 9 | Cit Relay & Switch | | USA |
| 10 | Yaskawa America Inc. – Drives & Motion Division | | USA |
| 11 | Amperite Co. | | USA |
| 12 | Omron Automation Americas | | USA |
| 13 | Struthers-Dunn Inc. | | USA |
| 14 | SE Relays | | USA |
| 15 | Siemens Corporation | | USA |
| 16 | Jameco Electronic Components & Computer Products | | USA |
| 17 | Perfect Switch LLC | | USA |
| 18 | Kraus & Naimer Inc. | | USA |
| 19 | Mercury Displacement Industries Inc. (MDI Inc.) | | USA |
| 20 | Anacon Power & Controls | | USA |
| 21 | PICS INC | | USA |
| 22 | NTE Electronics Inc. | | USA |
| 23 | Esterline Power Systems | | USA |
| 24 | TE Connectivity | | USA |
| 25 | Brentek International Inc. | | USA |
| 26 | R-K Electronics Inc. | | USA |
| 27 | E-T-A Control Instruments | | USA |
| 28 | Hasco Relays & Electronics International Corp. | | USA |
| 29 | Sylvania | | USA |
| 30 | Comus International | | USA |
| 31 | Song Chuan USA | | USA |
