| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Exponential Power | USA | |
| 2 | Trayer Engineering Corp. | USA | |
| 3 | American Battery Charging Inc. | USA | |
| 4 | Battery Clinic | USA | |
| 5 | Static Power Inc | USA | |
| 6 | Chargetek | USA | |
| 7 | Kussmaul Electronics Company Inc | USA | |
| 8 | Hoppecke Batteries Inc. | USA | |
| 9 | Stored Energy Systems (SENS) | USA |
