| MOSTE LIMITED | Private company limited by shares | Live |
| MOSTEASE LIMITED | Private company limited by shares | Dissolved |
| MOSTEASY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MOSTEC CO., LIMITED | Private company limited by shares | Live |
| MOSTECH LIMITED | Private company limited by shares | Dissolved |
| Mostech Limited | Private company limited by shares | Live |
| Mostech (HK) Company Limited | Private company limited by shares | Live |
| MOS-TECH TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| MOSTEK ASIA LIMITED | Private company limited by shares | Dissolved |
| MOSTEL LIMITED | Private company limited by shares | Dissolved |
| MOSTEPI Limited | Private company limited by shares | Live |
| MOSTEX LIMITED | Private company limited by shares | Live |
| MOSTEX CO., LIMITED | Private company limited by shares | Live |