| Company Name | Type | Status |
|---|---|---|
| DUANE TQM TRADING SERVICE CO., LIMITED | Private company limited by shares | Live |
| Duane Energy Technology Limited | Live | |
| DUANE & TIN MING TRANSPORTATION & GOODWIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| DUANE EXPRESS (HK) LIMITED | Private company limited by shares | Live |
| DUANE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| DUANEC FORTUNE LIMITED | Private company limited by shares | Live |