| HOWIN LIMITED | Private company limited by shares | Dissolved |
| Howin Company Limited | Private company limited by shares | Live |
| HOWIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HOWIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HOWIN TRADE LIMITED | Private company limited by shares | Dissolved |
| HOWINDA & COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sigmous Howing & J. Lo Co., Limited | Private company limited by shares | Live |
| HOWING CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| HOWING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HOWING ENGINEERING LIMITED | Private company limited by shares | Live |
| Hongkong Howing Foreign Exchange Co., Limited | Private company limited by shares | Live |
| HOWING INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| HOWING INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| HOWING INVESTMENTS LIMITED | Private company limited by shares | Live |
| Howing Sourcing Limited | Private company limited by shares | Live |
| HOWINTIGO INTERNATIONAL HK CO., LIMITED | Private company limited by shares | Live |