| Company Name | Type | Status |
|---|---|---|
| HARTA ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HARTA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HARTAI GROUP LIMITED | Private company limited by shares | Live |
| HARTANAGA LIMITED | Live | |
| HARTART LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Mar-1995 |
| HARTAXE LIMITED | Private company limited by shares | Dissolved |