| SynerLink System (Hong Kong) Limited | Private company limited by shares | Dissolved |
| SYNERMAN COMPANY LIMITED | Private company limited by shares | Live |
| Synermax Ecotechnology Limited | Private company limited by shares | Dissolved |
| SYNERMEDIC LIMITED | Private company limited by shares | Dissolved |
| Synermic Energy Limited | Private company limited by shares | Live |
| Synermore Company Limited | Private company limited by shares | Live |
| Synermore (Hong Kong) Limited | Private company limited by shares | Live |
| SYNERPOWER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SynerSAT Limited | Private company limited by shares | Live |
| Synersia Limited | Private company limited by shares | Live |
| SYNERTEC GROUP CO. LIMITED | Private company limited by shares | Dissolved |
| SYNERTEC INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SYNERTEC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Synertech Limited | Private company limited by shares | Dissolved |
| SYNERTECH ASIA LIMITED | Private company limited by shares | Dissolved |
| SYNERTECH ASIA LIMITED | Private company limited by shares | Dissolved |
| SYNERTECH BRIGHT FORTUNE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNERTECH HONG KONG CO. LIMITED | Private company limited by shares | Dissolved |
| SYNERTECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SYNERTECH PTE. LIMITED | Private company limited by shares | Live |
| SynerTek International Co., Limited | Private company limited by shares | Dissolved |
| Synerter Limited | Private company limited by shares | Live |
| SYNERTEX LIMITED | Private company limited by shares | Live |
| SYNERTONE ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| SYNERTRON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SYNERVIEW CONSULTING (HK) LIMITED | Private company limited by shares | Dissolved |
| SYNERWEALTH CAPITAL LIMITED | Private company limited by shares | Live |
| SynerWealth Financial Limited | Private company limited by shares | Live |
| SYNERWEALTH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SynerWell Engineering Limited | Private company limited by shares | Dissolved |
| AE SYNERY LIMITED | Private company limited by shares | Live |
| ASIA SYNERY LIMITED | Private company limited by shares | Dissolved |