| TYS46 (1F) Limited | Private company limited by shares | Live |
| TYS46 (G01) Limited | Private company limited by shares | Live |
| TYSAN INVESTMENT LIMITED | Private company limited by shares | Live |
| TYSC LIMITED | | Live |
| Tyschenko Company Limited | | Live |
| Tysconn Technology Co., Limited | Private company limited by shares | Live |
| HK TYSD LIMITED | Private company limited by shares | Live |
| Tysen Limited | Private company limited by shares | Live |
| TYSEN INDUSTRIAL CO. LIMITED | Private company limited by shares | Dissolved |
| Tyshine Technology Co., Limited | Private company limited by shares | Live |
| Tysilio Group Limited | Private company limited by shares | Live |
| TYSO LIMITED | Private company limited by shares | Dissolved |
| T. Y. TYSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| TYSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| TYSON LIMITED | Private company limited by shares | Dissolved |
| TYSON LIMITED | Private company limited by shares | Live |
| TYSON BIORESEARCH, LIMITED | Private company limited by shares | Dissolved |
| Tyson China Holding Limited | Private company limited by shares | Live |
| Tyson China Holding 2 Limited | Private company limited by shares | Live |
| Tyson China Holding 3 Limited | Private company limited by shares | Live |
| Tyson Consultancy Limited | | Live |
| WISER TYSON INVESTMENT CORP LIMITED | Private company limited by shares | Live |
| WISER TYSON TWO INVESTMENT CORP LIMITED | Private company limited by shares | Dissolved |
| TYSON ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| TYSON ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Live |
| Fortune Tyson (Hong Kong) Limited | | Live |
| TYSON (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KB TYSON INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TYSON INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TYSON INVESTMENT LIMITED | Private company limited by shares | Live |
| TYSON JEWELLERS LIMITED | Private company limited by shares | Dissolved |
| Tyson Supply Chain Management Co., Limited | | Live |
| TYSON SHOES MATERIAL COMPANY LIMITED | Private company limited by shares | Live |
| TYSON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Tyson Security Limited | Private company limited by shares | Live |
| TYSON TECH (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| TYSON TRADING LIMITED | Private company limited by shares | Live |
| TYSON TRADING AND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TySr Industrial Company Limited | Private company limited by shares | Live |
| TYSS GROUP LIMITED -THE- | Private company limited by shares | Live |
| MARRIOT (TYST) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TYSTRON LIMITED | Private company limited by shares | Live |
| TYSUN & CHOW COMPANY LIMITED | Private company limited by shares | Dissolved |
| TYSUN INDUSTRIAL (H.K.) CO., LIMITED | Private company limited by shares | Live |
| TYSUN INDUSTRIAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Tysun Industrial Co., Limited | Private company limited by shares | Live |
| TYSY TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |