| VECTRA LIMITED | Private company limited by shares | Dissolved |
| VECTRA LIMITED | Private company limited by shares | Live |
| David Vectra Limited | Private company limited by shares | Live |
| Vectre Research Inc Limited | | Live |
| VECTROIT INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| VECTRONIX ELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| VECTRONIX INDUSTRIAL LIMITED | Private company limited by shares | Live |
| VECTRONIX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| VECTRONIX SYSTEM (HK) LIMITED | Private company limited by shares | Live |