| JAO TSUNG-I STUDIES (CHAOZHOU) FOUNDATION LIMITED | Company limited by guarantee | Live |
| TSUNGSAN LIMITED | Private company limited by shares | Live |
| CHIN TSUN(HK)TRADING CO., LIMITED | Private company limited by shares | Live |
| TSUNHOI COMPANY LIMITED | Private company limited by shares | Dissolved |
| TSUNITA (BTA) LIMITED | Private company limited by shares | Dissolved |
| TSUNMAIN LIMITED | Private company limited by shares | Dissolved |
| TSUNRAD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Tsun's Company Limited | Private company limited by shares | Live |
| TSUNTD TRADING LIMITED | Private company limited by shares | Live |
| T-SUNTO HK LIMITED | | Live |
| TSUNWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TSUNYO TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| T-Support Company Limited | Private company limited by shares | Live |
| TSURUHACHI HK LIMITED | Private company limited by shares | Live |
| Tsurukame Creative Limited | Private company limited by shares | Live |
| Tsurumatsu trading co., Limited | | Live |
| H & E TSURUMI PUMP COMPANY LIMITED | Private company limited by shares | Live |
| TSURUMI TRADING COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TSURUTA HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| IKEGAMI TSUSHINKI COMPANY LIMITED | Private company limited by shares | Dissolved |
| TEN TSUSHO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ST Tsusho Company Limited | Private company limited by shares | Dissolved |
| Arakaki Tsusho Limited | Private company limited by shares | Live |
| ASAHI TSUSHO LIMITED | Private company limited by shares | Live |
| MIMASU TSUSHO CO., LIMITED | Private company limited by shares | Live |
| NIHON TSUSHO CO., LIMITED | Private company limited by shares | Live |
| GOOD LEGEND ENTERPRISE TSUSHO LIMITED | Private company limited by shares | Live |
| HiYa Tsusho (Hong Kong) Co., Limited | Private company limited by shares | Live |
| TOHEI TSUSHO (HONG KONG) LIMITED | Private company limited by shares | Live |
| YAGI TSUSHO HONG KONG LIMITED | Private company limited by shares | Live |
| TOYOTA TSUSHO (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TSUST (HK) COMPANY LIMITED | Private company limited by shares | Live |
| TSUST TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NITTSU TSUSYO CO., LIMITED | Private company limited by shares | Live |
| TSUTA (HK) Limited | Private company limited by shares | Live |
| TSUTAWA COMPANY LIMITED | Private company limited by shares | Live |
| TSUYOSHI HK LIMITED | Private company limited by shares | Dissolved |
| TSUZUKI CONCRETE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KB TSUZUKI K. K. (HONG KONG) LIMITED | Private company limited by shares | Live |
| TSUZUKI DENSAN HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| TSUZUMI COMPANY LIMITED | | Live |
| Tsuzumi Electronics Co., Limited | Private company limited by shares | Live |
| T.S.V. Limited | Private company limited by shares | Live |
| T.S.V. Holdings Limited | Private company limited by shares | Live |
| FOOK HING CONGEE (TSW) LIMITED | | Live |
| T-SWAN LIMITED | Private company limited by shares | Live |
| TSWB LIMITED | Private company limited by shares | Live |
| TSWC HONG KONG LIMITED | Private company limited by shares | Live |
| TSWG HK LIMITED | | Live |
| TsWork Limited | Private company limited by shares | Live |
| TSYH INDUSTRY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| T.SY.M LIMITED | Private company limited by shares | Live |
| TSZ1110 Limited | | Live |
| Tszchiu Limited | Private company limited by shares | Live |
| TsZk Company Limited | | Live |
| Tszki Healthcare Co. Limited | Private company limited by shares | Live |
| Tszkiubeautyplus Limited | | Live |
| HK TSZKWAN CAFE LIMITED | Private company limited by shares | Live |
| TSZLOK LIMITED | Private company limited by shares | Live |
| Tszmei Global Limited | Private company limited by shares | Live |
| TSZSHING LIMITED | Private company limited by shares | Live |
| TSZTSZ SUCCESS LIMITED | | Live |
| Tszwai One Holding Group Company Limited | | Live |
| TSZY PHOTOELECTRIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| TSZYIM COMPANY LIMITED | Private company limited by shares | Live |
| TSZYING LIMITED | | Live |