| POWERTEC LIMITED | Private company limited by shares | Dissolved |
| POWERTEC LIMITED | Private company limited by shares | Dissolved |
| JJ POWERTEC LIMITED | Private company limited by shares | Dissolved |
| POWERTEC LIMITED | Private company limited by shares | Live |
| POWERTEC HK COMPANY LIMITED | Private company limited by shares | Live |
| PowerTec Limited | Private company limited by shares | Live |
| POWERTEC GENERATOR SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| POWERTEC HOLDING LIMITED | Private company limited by shares | Live |
| POWERTEC PRECISION LIMITED | Private company limited by shares | Live |
| PowerTec Solution Limited | Private company limited by shares | Live |
| POWERTECH LIMITED | Private company limited by shares | Live |
| POWERTECH PTE LIMITED | Private company limited by shares | Live |
| POWERTECH IPC COMPANY LIMITED | Private company limited by shares | Live |
| E&E Power-Tech Limited | Private company limited by shares | Live |
| PowerTech IT Limited | Private company limited by shares | Live |
| Powertech Jm Company Limited | Private company limited by shares | Live |
| HS POWERTECH HK LIMITED | | Live |
| DAGMAR POWERTECH LIMITED | Private company limited by shares | Live |
| GENERAL POWERTECH LIMITED | Private company limited by shares | Live |
| Powertechnic Limited | Private company limited by shares | Live |
| Powertecs Limited | Private company limited by shares | Live |
| POWERTECS & SON LIMITED | Private company limited by shares | Live |