| CHIU HARK KI COMPANY LIMITED | Private company limited by shares | Live |
| CHAN HARK TRANSPORTATION ENGINEERING LIMITED | Private company limited by shares | Live |
| HARKAM LIMITED | Private company limited by shares | Live |
| HARKANGEL LIMITED | Private company limited by shares | Dissolved |
| HARKEN LIMITED | Private company limited by shares | Dissolved |
| HARKENJON LIMITED | Private company limited by shares | Dissolved |
| HARKHAM LIMITED | Private company limited by shares | Live |
| HARKLAND LIMITED | Private company limited by shares | Live |
| HARKNESS LIMITED | Private company limited by shares | Dissolved |
| HARKO COMPANY LIMITED | Private company limited by shares | Live |
| HARKO GROUP LIMITED | Private company limited by shares | Live |
| Harko Trading Limited | Private company limited by shares | Live |
| HAR-KONG LIMITED | Private company limited by shares | Dissolved |
| HARKSING INVESTMENT LIMITED | Private company limited by shares | Live |
| HARKY LIMITED | Private company limited by shares | Live |