| Folders |
| {parent folder} | TRENTON | Weal Union Development (See Tigatech) |
| T&W | TRIGEM | WEI XING |
| TAEMUNG | TSINGHUA TONGFANG | WELL JOIN |
| Taiwan Commate (See Tcommate) | TSINGHUA TONGFANG - MICROSTAR OEM | WIN LABORATORIES |
| Taiwan Commate Computer (See Commell) | TUL | WIN TECHNOLOGIES |
| Taiwan Mycomp (See TMC) | TURBO ELECTRONICS | WINCO |
| TAKEN | TURBO-GUIDE | WINLAN |
| TARNG BOW | TWINHEAD | WINSONIC |
| TATUNG | TYAN | WINSYSTEMS |
| TAZGA | U-BOARD | Wintac (See Win Technologies) |
| TCOMMATE | UNIARK | WIPRO |
| TECHNICA HOUSE | UNICORN | XFX |
| TEKRAM | UNIKA | XSONICTECH |
| TIGATECH | UNITECH | YAKUMO |
| TIME COMPUTER | United Hitech Corp (See AIR) | YESTON |
| TINY | UNIWILL | Yeston (See Yington) |
| TMC | USI | YINGTON |
| Tomato Board (See ZIDA) | UTOPIA | YOUNG MICRO TECHNOLOGIES |
| TOPGUN | VIA | ZAAPA |
| TOPSTAR | VIGLEN | ZCZF (See Zhongcheng) |
| TOP-THUNDER | VISION TOP | ZELING |
| TOSHIBA | Vobis (See Maxdata) | ZHONGCHENG |
| TOTEM | VTECH | ZIDA |
| TRANSCEND | WARMER | ZILLION |