| TO'S COMPANY LIMITED | Private company limited by shares | Dissolved |
| T.O.S. LIMITED | Private company limited by shares | Dissolved |
| TO'S UNIVERSE CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| TO'S INTEGRATED ECOLOGICAL GARDEN MANAGEMENT LIMITED | Private company limited by shares | Live |
| TO'S UNIVERSE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PO YUEN (TO'S) ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| TO'S (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TO'S INTERIORS DESIGN LIMITED | Private company limited by shares | Live |
| TAK SHING (TO'S) CONSTRUCTION LIMITED | Private company limited by shares | Live |
| TO'S FATHER & SONS INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| PO YUEN (TO'S) TOOLINGS COMPANY LIMITED | Private company limited by shares | Live |
| TO'S TUNG HAI FAMILY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOSA LIMITED | Private company limited by shares | Dissolved |
| TOSA INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tosada Company Limited | | Live |
| TOSAME LIMITED | Private company limited by shares | Live |
| TOSAN LIMITED | Private company limited by shares | Dissolved |
| HK TOSAN CHEETRUM LIMITED | | Live |
| TOSANI LIMITED | Private company limited by shares | Live |
| TOSANKYO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ToSaver Automotive Technology (hongkong) Limited | | Live |
| TOSAY TRADING LIMITED | Private company limited by shares | Dissolved |
| Tosbos Limited | | Live |
| TOSCA LIMITED | Private company limited by shares | Live |
| TOSCA HOLDING LIMITED | Private company limited by shares | Dissolved |
| Toscafund HK Limited | Private company limited by shares | Live |
| TOSCANA COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOSCANA LIMITED | Private company limited by shares | Live |
| TOSCANA FURNITURE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| TOSCANA DECO LIMITED | Private company limited by shares | Live |
| DEEP IN THE FLOWERS AT TOSCANA CO., LIMITED | Private company limited by shares | Dissolved |
| TOSCANA FURNITURE GROUP LIMITED | Private company limited by shares | Dissolved |
| TOSCANA HOLDING LIMITED | Private company limited by shares | Dissolved |
| TOSCANA INVESTMENT LIMITED | Private company limited by shares | Live |
| TOSCANA WATCHES & JEWELLERY LIMITED | Private company limited by shares | Live |
| TOSCHI LIMITED | | Live |
| TOSCO LIMITED | Private company limited by shares | Dissolved |
| TOSCO ENTERPRISES LIMITED | Private company limited by shares | Live |
| TOSCO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOSCOARTS LIMITED | Private company limited by shares | Live |
| Toscow Pty Limited | Private company limited by shares | Live |
| TOSDAC Limited | Private company limited by shares | Live |
| Tosdata Limited | Private company limited by shares | Live |
| Toseebot Enterprise Limited | | Live |
| TOSEI COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOSEI TOOLING COMPANY LIMITED | Private company limited by shares | Live |
| TOSEMITE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tosen Limited | Private company limited by shares | Live |
| QINGDAO TOSEN BRUSH CO., LIMITED | Private company limited by shares | Live |
| Tosen Digital Company Limited | Private company limited by shares | Live |
| Tosen Digital Company Limited | | Live |
| TOSEN ENGINEERING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TOSEN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TOSEN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK TOSEN TRADE LIMITED | Private company limited by shares | Live |
| TOSEN TRAVEL AND TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| TOSER LIMITED | Private company limited by shares | Dissolved |
| TOSEVA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOSFAN COMPANY LIMITED | Private company limited by shares | Live |
| TOSH TOSH LIMITED | Private company limited by shares | Dissolved |
| HK TOSHCON TRADE LIMITED | Private company limited by shares | Live |
| TOSHEBA GROUP COMPANY LIMITED | Private company limited by shares | Live |
| TO-SHI HK COMPANY LIMITED | Private company limited by shares | Dissolved |
| Toshiaki Investment (Hong Kong) Limited | Private company limited by shares | Live |
| JAPAN TOSHIBA (HK) INTERNATIONAL INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| HK TOSHIHITO INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| TOSHIKI GROUP LIMITED | Private company limited by shares | Live |
| Toshiki Holding Limited | Private company limited by shares | Dissolved |
| TOSHIMA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOSHIMI TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| TOSHIN CO. LIMITED | Private company limited by shares | Dissolved |
| TOSHIN AKARI HK CO., LIMITED | Private company limited by shares | Live |
| TOSHIN DENKO (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| TOSHIN PRECISION ELECTRONIC FACTORY LIMITED | Private company limited by shares | Dissolved |
| TOSHIN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| TOSHIN ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| TOSHIN FINE MACHANICS (HK) LIMITED | Private company limited by shares | Dissolved |
| HK TOSHIN GROUP CO., LIMITED | Private company limited by shares | Live |
| HONG KONG TOSHIN SEA FOODS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOSHIN HONG KONG LIMITED | Private company limited by shares | Live |
| TOSHIN TECHNOLOGY HONG KONG LIMITED | Private company limited by shares | Live |
| TOSHIN (HONGKONG) IMPORT & EXPORT CO., LIMITED | | Live |
| TOSHIN METALWORKS CO. LIMITED | Private company limited by shares | Dissolved |
| TOSHIN OPTRONICS CORPORATION LIMITED | Private company limited by shares | Live |
| TOSHIN SEA-LAND PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOSHIN INTERNATIONAL SCHOOL LIMITED | Private company limited by shares | Dissolved |
| TOSHIN TEXTILES (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOSHIN INTERNATIONAL TRADING H.K. LIMITED | Private company limited by shares | Live |
| TOSHIN WATCH PROGRESS CO., LIMITED | Private company limited by shares | Dissolved |
| TOSHIN WATCH PROGRESS CO., LIMITED | Private company limited by shares | Live |
| TOSHINCON ELECTRONICS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| TOSHINDA INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| FOSHAN TOSHINE CO., LIMITED | | Live |
| TOSHING COMPANY LIMITED | Private company limited by shares | Live |
| TOSHIO HOLDINGS (HK) LIMITED | Private company limited by shares | Live |
| TOSHIO General Trading HK Limited | Private company limited by shares | Live |
| YAMADA TOSHIO SHOTEN LIMITED | Private company limited by shares | Dissolved |
| Toshiteru Poly (Hong Kong) co., Limited | Private company limited by shares | Live |
| TOSHIYUKI LIMITED | Private company limited by shares | Dissolved |
| K. TOSHO (H) LIMITED | Private company limited by shares | Live |