| Company Name | Type | Status |
|---|---|---|
| ENGTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND POWER (ENG-TECH) LIMITED | Private company limited by shares | Dissolved |
| CHINA HK NATIONAL ENVIRONMENTAL SPACE MANAGEMENT ENG-TECH LIMITED | Private company limited by shares | Live |
| Vincit EngTech Co., Limited | Live |