| SYNTEC 99 LIMITED | Private company limited by shares | Dissolved |
| SYNTEC NEW ENERGY GROUP CO., LIMITED | Private company limited by shares | Live |
| SYNTEC CORPORATION LIMITED | Private company limited by shares | Live |
| Syntec Enterprise Limited | Private company limited by shares | Dissolved |
| SYNTEC HAPPY LIMITED | Private company limited by shares | Live |
| SYNTEC HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SYNTEC SEMICONDUCTOR EQUIPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNTEC NETWORK TECHNOLOGY & SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNTEC OPTOELECTRONICS TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SYNTECH LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Apr-2005 |
| AI Syntech Limited | Private company limited by shares | Live |
| Syntech Asia Limited | Private company limited by shares | Live |
| SYNTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SYN-TECH (SHENZHEN) LIMITED | Private company limited by shares | Dissolved |
| SYN-TECH SYSTEM LIMITED | Private company limited by shares | Dissolved |
| Syntech Tooling Limited | Private company limited by shares | Live |