| TYAN LIMITED | Private company limited by shares | Dissolved |
| TYAN TONG CO., LIMITED | Private company limited by shares | Live |
| HUA TYAN DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TYAN D.TRADING COMPANY LIMITED | | Live |
| TYan Great Hong Kong Limited | | Live |
| HONGKONG TYAN SYING JYAN INT'L GROUP LIMITED | Private company limited by shares | Live |
| Tyan (HK) Group Limited | Private company limited by shares | Live |
| TYAN HO (HK) TRADING LIMITED | Private company limited by shares | Live |
| TYAN HOLY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| FENG TYAN INTERNATIONAL INDUSTRIAL CO., LIMITED | | Live |
| TYAN INTERNATIONAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| JAPAN TYAN TRADING LIMITED | Private company limited by shares | Live |
| TYAN KUEI ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| MING TYAN IRON WORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TYANE LIMITED | Private company limited by shares | Dissolved |
| TYANN LIMITED | Private company limited by shares | Dissolved |
| HongKong Tyanshine Photoelectric Co., Limited | Private company limited by shares | Live |
| TYARE CO., LIMITED | Private company limited by shares | Live |
| TYATT Technology Limited | Private company limited by shares | Live |