| ORBITAGE LIMITED | Private company limited by shares | Live |
| ORBITAL LIMITED | Private company limited by shares | Live |
| ORBITAL ADVERTISING LIMITED | Private company limited by shares | Live |
| ORBITAL ASIA LIMITED | Private company limited by shares | Live |
| ORBITAL ASIA LIMITED | Private company limited by shares | Live |
| ORBITAL COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| ORBITAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Orbital Gravitas Limited | Private company limited by shares | Live |
| Orbital Group Limited | Private company limited by shares | Live |
| BARREL ORBITAL (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| ORBITAL HORIZONS LIMITED | Private company limited by shares | Dissolved |
| ORBITAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ORBITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| ORBITAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ORBITAL MFG. LIMITED | Private company limited by shares | Dissolved |
| ORBITAL ONLINE COMPANY LIMITED | Private company limited by shares | Live |
| ORBITAL PROPERTIES LIMITED | Private company limited by shares | Live |
| Orbital Star Limited | Private company limited by shares | Live |
| ORBITAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ORBITAL WTE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ORBITAL TRADING LIMITED | Private company limited by shares | Live |
| ORBITAL VENTURES LIMITED | Private company limited by shares | Dissolved |
| ORBITAL VIBES LIMITED | Private company limited by shares | Live |
| OrbitalPower Limited | Private company limited by shares | Live |
| Orbitan Limited | Private company limited by shares | Dissolved |