| ASTROL TRADE LIMITED | Private company limited by shares | Dissolved |
| ASTROLABIO LIMITED | Private company limited by shares | Live |
| ASTROLINK LIMITED | Private company limited by shares | Dissolved |
| AstroLink Company Limited | Private company limited by shares | Live |
| ASTROLITE LIMITED | Private company limited by shares | Dissolved |
| ASTROLITE TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ASTROLITE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Astroll Management Limited | | Live |
| ASTROLUCK LIMITED | Private company limited by shares | Dissolved |