| YEE HOP TUNNELLING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAN CHUEN TUNNELLING COMPANY LIMITED | Private company limited by shares | Live |
| BC MAN CHUEN TUNNELLING LIMITED | Private company limited by shares | Dissolved |
| EAGLESTONE TUNNELLING LIMITED | Private company limited by shares | Dissolved |
| Tunnelling Engineering (Hong Kong) Corp. Limited | Private company limited by shares | Live |
| SMART WIN ENGINEERING & TUNNELLING LIMITED | Private company limited by shares | Live |
| Herrenknecht Tunnelling Equipment Hong Kong Limited | Private company limited by shares | Live |
| TUNNELLING EQUIPMENT AND SERVICES LIMITED | Private company limited by shares | Live |
| KANE, TUNNELLING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CHINA TUNNELLING INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| KANE TUNNELLING LIMITED | Private company limited by shares | Live Ceased dormancy on 06-Dec-2010 |
| RED TUNNELLING SERVICES LIMITED | Private company limited by shares | Live |