| 1 | B & B Electronics Manufacturing Co. | | USA |
| 2 | Excel Cell Electronic Co. Ltd. | | USA |
| 3 | ABB Control Inc. | | USA |
| 4 | HBcontrols Inc. | | USA |
| 5 | Stetron International Inc. | | USA |
| 6 | Vynckier Controls Inc. | | USA |
| 7 | Cimi-Surecon Relays | | USA |
| 8 | Rockwell Automation | | USA |
| 9 | Cit Relay & Switch | | USA |
| 10 | AEI | | USA |
| 11 | Amperite Co. | | USA |
| 12 | Struthers-Dunn Inc. | | USA |
| 13 | NOARK Electric North America | | USA |
| 14 | Omron Automation Americas | | USA |
| 15 | SE Relays | | USA |
| 16 | Altech Corp. | | USA |
| 17 | KG Technologies Inc. | | USA |
| 18 | Schneider Electric | | USA |
| 19 | Phoenix Contact | | USA |
| 20 | NTE Electronics Inc. | | USA |
| 21 | Hasco Relays & Electronics International Corp. | | USA |
| 22 | TE Connectivity | | USA |
| 23 | Jameco Electronic Components & Computer Products | | USA |
| 24 | Song Chuan USA | | USA |
| 25 | c3controls | | USA |
| 26 | Turck Inc. | | USA |
| 27 | Kuhnke Automation Inc. | | USA |
| 28 | Picker Components Corp | | USA |
| 29 | GAMA Electronics Inc. | | USA |
| 30 | PICS INC | | USA |
| 31 | Celduc Inc. | | USA |
| 32 | Esterline Power Systems | | USA |
