| WINDFALL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Windfall Limited | | Live |
| Windfall (ACE) Limited | Private company limited by shares | Live |
| CHINA WINDFALL LIMITED | Private company limited by shares | Live |
| WINDFALL (CHINA) INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WINDFALL E & M CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| WINDFALL CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINDFALL ENGINEERING LIMITED | Private company limited by shares | Live |
| WINDFALL ENGINEERING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WINDFALL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Good Windfall Limited | Private company limited by shares | Live |
| Windfall Resources Hong Kong Limited | Private company limited by shares | Live |
| WINDFALL PROFITS LIMITED | Private company limited by shares | Dissolved |
| WINDFALL SECRETARIES LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Jan-2016 |
| Windfall System Limited | Private company limited by shares | Live |
| WINDFALL TEXTILES LIMITED | Private company limited by shares | Dissolved |
| Windfall Trading Group Limited | Private company limited by shares | Dissolved |