| QANTA SILICONES LIMITED | Private company limited by shares | Dissolved |
| Qantaloop Limited | Private company limited by shares | Live |
| QANTAS LIMITED | Private company limited by shares | Dissolved |
| QANTAS LIMITED | Private company limited by shares | Dissolved |
| QANTAS ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| QANTAS ENGINEERING LIMITED | Private company limited by shares | Live |
| QANTAS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| QANTAS ELECTRONICS GROUP LIMITED | Private company limited by shares | Dissolved |
| QANTAS (HONG KONG) LIMITED | Private company limited by shares | Live |
| QANTAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| QANTAS INVESTMENTS LIMITED | Private company limited by shares | Live |
| QANTAS (WORLDFULL) HONG KONG LIMITED | Private company limited by shares | Live |
| QANTAS REGISTRATIONS LIMITED | Private company limited by shares | Live |
| QANTAS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| QANTAS TRADING LIMITED | Private company limited by shares | Dissolved |
| QANTAS TRADING LIMITED | Private company limited by shares | Dissolved |