| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | WEG Electric Corp. | USA | |
| 2 | ABB E-mobility | USA | |
| 3 | Siemens Corporation | USA | |
| 4 | PICS INC | USA | |
| 5 | Sylvania | USA | |
| 6 | Macromatic Industrial Controls Inc. | USA | |
| 7 | Beckwith Electric Co. Inc. | USA | |
| 8 | ABB | USA | |
| 9 | General Electric Co. | USA | |
| 10 | STK Electronics Inc. | USA | |
| 11 | Airotronics Timers and Controls | USA | |
| 12 | Hoyt Electrical Instrument Works Inc. | USA | |
| 13 | Basler Electric Co. | USA |
