| Dredd Technology Limited | Private company limited by shares | Live |
| SEA DREDGE LIMITED | Private company limited by shares | Dissolved |
| TRAILER DREDGER COMPANY LIMITED | Private company limited by shares | Dissolved |
| UDL DREDGING LIMITED | Private company limited by shares | Live Ceased dormancy on 29-Mar-2003 |
| LCV MUD DREDGING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Asian Damlakes Dredging Limited | Private company limited by shares | Live |
| CHINA DREDGING GROUP LIMITED | Private company limited by shares | Live |
| EUROCHINA DREDGING COMPANY LIMITED | Private company limited by shares | Live |
| Ford Dredging Company Limited | Private company limited by shares | Live |
| Good Fortune Dredging Limited | Private company limited by shares | Live |
| HONOR DREDGING LIMITED | Private company limited by shares | Dissolved |
| NETWORK DREDGING LIMITED | Private company limited by shares | Dissolved |
| NORTH LANTAU DREDGING LIMITED | Private company limited by shares | Dissolved |
| Ocean Dredging Company Limited | | Live |
| PACIFIC DREDGING, LIMITED | Private company limited by shares | Dissolved |
| ZEN PACIFIC DREDGING LIMITED | Private company limited by shares | Dissolved |
| ASIA PACIFIC DREDGING LIMITED | Private company limited by shares | Live |
| UDL DREDGING (SINGAPORE) LIMITED | Private company limited by shares | Dissolved |
| Xiangyu Dredging Company Limited | Private company limited by shares | Live |
| DREDSON LIMITED | Private company limited by shares | Live |