| Company Name | Type | Status |
|---|---|---|
| POWERTRON LIMITED | Private company limited by shares | Live |
| POWERTRONIC COMPANY, LIMITED | Private company limited by shares | Live |
| POWERTRONIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| POWERTRONICS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| NOBEL POWERTRONICS LIMITED | Private company limited by shares | Live |
| POWERTRONICS TECHNOLOGY (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |