| 1 | Siemens Energy Inc. | | USA |
| 2 | Western Reserve Controls Inc. | | USA |
| 3 | B & B Electronics Manufacturing Co. | | USA |
| 4 | Deltrol Controls | | USA |
| 5 | DARE Electronics Inc. | | USA |
| 6 | Hoyt Electrical Instrument Works Inc. | | USA |
| 7 | PC & S | | USA |
| 8 | Basler Electric Co. | | USA |
| 9 | Cytec Corp. | | USA |
| 10 | Phoenix Contact | | USA |
| 11 | Coto Corporation | | USA |
| 12 | Kilovac Products From CII Technologies | | USA |
| 13 | Lake Shore Electric Corporation | | USA |
| 14 | Celduc Inc. | | USA |
| 15 | SSAC Inc. | | USA |
| 16 | BEP | | USA |
| 17 | Esterline Power Systems | | USA |
| 18 | Vynckier Enclosure Systems Inc. | | USA |
| 19 | R-K Electronics Inc. | | USA |
| 20 | Mercury Displacement Industries Inc. (MDI Inc.) | | USA |
| 21 | Schneider Electric | | USA |
| 22 | Anacon Power & Controls | | USA |
| 23 | Relay Service Co. | | USA |
| 24 | Johnson Electric | | USA |
| 25 | General Electric Co. | | USA |
| 26 | PICS INC | | USA |
| 27 | Macromatic Industrial Controls Inc. | | USA |
| 28 | Perfect Switch LLC | | USA |
| 29 | Sylvania | | USA |
| 30 | E-Max Instruments Incorporated | | USA |
| 31 | Contrex Inc. | | USA |
| 32 | Jameco Electronic Components & Computer Products | | USA |
| 33 | Crouzet | | USA |
| 34 | c3controls | | USA |
| 35 | LFE/API Meters | | USA |
| 36 | Allied Controls Inc. | | USA |
| 37 | ABB | | USA |
| 38 | Rockwell Automation | | USA |
| 39 | Cit Relay & Switch | | USA |
| 40 | Motor Protection Electronics (MPE) | | USA |
| 41 | SAE Manufacturing Specialties Corp | | USA |
| 42 | WEG Electric Corp. | | USA |
| 43 | Yaskawa America Inc. - Drives & Motion Division | | USA |
| 44 | STEGO Inc. | | USA |
| 45 | Ross Engineering Corp. | | USA |
| 46 | AEI | | USA |
| 47 | Amperite Co. | | USA |
| 48 | ABB E-mobility | | USA |
| 49 | Omron Automation Americas | | USA |
| 50 | Encore Lighting | | USA |
| 51 | NOARK Electric North America | | USA |
| 52 | Struthers-Dunn Inc. | | USA |
| 53 | Pilz Automation Safety L.P. | | USA |
| 54 | Weschler Instruments - Div. of Hughes Corp. | | USA |
| 55 | SE Relays | | USA |
| 56 | Thomas Products Ltd. Flow Switch Div. | | USA |
| 57 | Littelfuse Inc. | | USA |
| 58 | KG Technologies Inc. | | USA |
| 59 | Gigavac LLC | | USA |
| 60 | Technology Research Corporation | | USA |
| 61 | Instrumentation & Control Systems Inc. | | USA |
| 62 | Bender Inc. | | USA |
