| Tosimac Technologies Limited | Private company limited by shares | Live |
| TOSSKA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TOTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Total Technologies Limited | Private company limited by shares | Live |
| Totemsuite Technologies Limited | Private company limited by shares | Dissolved |
| TRAC TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Tracking Technologies Limited | Private company limited by shares | Live |
| TrackMatriX Technologies Limited | Private company limited by shares | Live |
| VPT Trade & Technologies Company Limited | Private company limited by shares | Live |
| trade.io Technologies Limited | Private company limited by shares | Live |
| TRADELINK TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| OCS TECHNOLOGIES TRADING LIMITED | Private company limited by shares | Dissolved |
| EC Technologies & Trading Limited | Private company limited by shares | Dissolved |
| TRADING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| MBM TECHNOLOGIES & TRADING LIMITED | Private company limited by shares | Live |
| Pro Trading Technologies Limited | Private company limited by shares | Live |
| ARGUS TECHNOLOGIES TRADING LIMITED | Private company limited by shares | Dissolved |
| Trading Technologies Hong Kong Limited | Private company limited by shares | Live |
| Linck Technologies & Trading Limited | | Live |
| MOORE TECHNOLOGIES TRADING LIMITED | Private company limited by shares | Dissolved |
| MORE TECHNOLOGIES TRADING LIMITED | Private company limited by shares | Live |
| Asia Pacific Technologies and Trading Limited | Private company limited by shares | Live |
| CM2 Trading and Technologies Service Company Limited | Private company limited by shares | Live |
| URANUS TECHNOLOGIES AND TRADING LIMITED | Private company limited by shares | Live |
| TRAFFIC TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TRAFFIC TECHNOLOGIES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Trans Asia Technologies Limited | Private company limited by shares | Live |
| TRANSACTION TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TRANSAVIA TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Transhuman Technologies Limited | Private company limited by shares | Live |
| TRANSITION TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TRANS-PACIFIC TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Litmus Transportation Technologies Co. Limited | Private company limited by shares | Dissolved |
| TRANXCODE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TRANZDA TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Traxnet Technologies Pty Limited | Private company limited by shares | Live |
| Traxon Technologies Limited | Private company limited by shares | Live |
| EXCELLENT TREASURE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TREASURE GOLD TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TRICO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| TRIDENT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Trifecta Technologies HK Limited | Private company limited by shares | Live |
| TRILOGIX TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| TRINITY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Trinity Technologies Limited | Private company limited by shares | Live |
| AF Trinity Technologies Limited | Private company limited by shares | Live |
| TRIPLE A TECHNOLOGIES LIMITED | | Live |
| TRONNOVATION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| TRULY GSM TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Trussti Technologies Limited | Private company limited by shares | Live |
| TRUTIME TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| TSQUARE TECHNOLOGIES LIMITED | | Live |
| YAM TUNG TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| TURNKEY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| T-WARE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| TWENTY-11 TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| TYLER TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Tyndall Technologies Limited | | Live |
| UBIQUI TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| UBISECQ TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UCONN TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| U.Key Technologies Limited | Private company limited by shares | Live |
| U-link Technologies Limited | Private company limited by shares | Live |
| ULTRA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ULTRA MERIT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ULTRA SUMMIT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ULTRAFIT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ULTRAGREEN TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UltraOne Technologies Limited | Private company limited by shares | Live |
| Ultra-Power Technologies Corp. Limited | Private company limited by shares | Live |
| ULTRARED TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ULTRUST TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UMBRA Technologies Limited | Private company limited by shares | Live |
| Unaro Technologies HK Limited | Private company limited by shares | Live |
| UNICO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNICO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNICONN TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNICORN TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNIDATA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNI-GREAT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNIKWARE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNILINK NETWORK TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Unilogic Technologies Hong Kong Limited | Private company limited by shares | Dissolved |
| UNIMAX TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Union-net Technologies Co Limited | Private company limited by shares | Live |
| UNIONOPTICS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Uniphlash Technologies Limited | Private company limited by shares | Live |
| UNIQ TECHNOLOGIES COMPANY, LIMITED | Private company limited by shares | Live |
| UNIQUE TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| UNIQUE TECHNOLOGIES & TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| UNISTAR TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Unite Technologies Limited | Private company limited by shares | Live |
| UNITED TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| United Technologies Limited | Private company limited by shares | Live |
| UNITED ASIA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNITED TECHNOLOGIES ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITED TECHNOLOGIES (PACIFIC ASIA) LIMITED | Private company limited by shares | Live |
| UNITED BASE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNITED CHINA TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| UNITED DISPLAY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |