| SKYMAST LIMITED | Private company limited by shares | Dissolved |
| SKYMASTER HK CO., LIMITED | Private company limited by shares | Live |
| Skymaster Communication Limited | Private company limited by shares | Live |
| SKYMASTER ESTATE & DEVELOPMENT COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| Skymaster Electronic HK Limited | Private company limited by shares | Dissolved |
| SKYMASTER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SKYMASTER TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |