| Name | Country | Market Cap (US$) |
|---|
| Tiger Direct, Inc. | United States | Private |
| Tiny Computers Ltd. | United Kingdom | Private |
| Tiqit Computers, Inc. | United States | Private |
| TOHOKU DENSHI KOGYO K.K. | Japan | Private |
| TOKAI BUSINESS SERVICE CORP. | Japan | Private |
| TOKAI DENKA KOGYO K.K. | Japan | Private |
| Tokai University Educational System | Japan | Private |
| Topdanmark Edb A/S | Denmark | Private |
| Toshiba Personal Computer & Network (Shanghai) Co., Ltd. | China | Private |
| Toshiba Information Equipment (Hangzhou) Co., Ltd. | China | Private |
| TOSHIBA MULTIMEDIA DEVICES CO.,LTD. | Japan | Private |
| TOSHIBA PERSONAL COMPUTER SYSTEM CORP. | Japan | Private |
| TOSHIBA TEC EUROPE IMAGING SYSTEMS SA | France | Private |
| Toshiba Tec Europe Retail Information Systems SA | Belgium | Private |
| TOSHOBA TEC DOCUMENT PROCESSING SYSTEM CO.,LTD. | Japan | Private |
| TOYO-MEMORY TECHNOLOGY SDN BHD | Malaysia | Private |
| Transmarco Ltd. | Singapore | Private |
| Transportation Systems, Inc | United States | Private |
| Transys Technologies Corp | United States | Private |
| TranTech, Inc. | United States | Private |
| TREEV, Inc. | United States | Private |
| Tricord Systems, Inc. | United States | Private |
| Trigem America Corp | United States | Private |
| Trigem Computer (Shenyang) Co., Ltd. | China | Private |
| TriGem Computer Inc. | South Korea | Private |
| Tripos, Inc. | United States | Private |
| Trius AG | Germany | Private |
| Trivad, Inc | United States | Private |
| Tropic Communications Inc. | United States | Private |
| Truevision Inc. | United States | Private |
| Truly Electronics MFG Ltd. | China | Private |
| Trusted Information Systems, Inc. | United States | Private |
| Tseng Laboratories, Inc. | United States | Private |
| TSS Ltd. | United States | Private |
| TSUGAWA CO.,LTD. | Japan | Private |
| Tulip Computers UK plc | United Kingdom | Private |
| Twinhead International (Kunshan) Co., Ltd. | China | Private |
| TWINHEAD INTERNATIONAL CORP. | Taiwan | Private |
| Two Connect, Inc. | United States | Private |
| Two Technologies Inc | United States | Private |
| TYBRIN Corporation | United States | Private |
| UBAG Unternehmer Beteiligungen AG | Germany | Private |
| UCH TECHNOLOGY SDN BHD | Malaysia | Private |
| UGS CAPITAL CORP. II | United States | Private |
| ULTRADATA Corporation | United States | Private |
| UNICO TECHNOS CO.,LTD. | Japan | Private |
| Unigraphics Solutions, Inc. | United States | Private |
| Unisys (Schweiz) AG | Switzerland | Private |
| Unisys AB | Sweden | Private |
| Unisys Australia Ltd. | Australia | Private |
| Unisys de Colombia S.A. | Colombia | Private |
| Unisys de Mexico S.A. de C.V. | Mexico | Private |
| Unisys Eletronica Ltda. | Brazil | Private |
| Unisys France S.A. | France | Private |
| Unisys Portugal Sistemas Informacao | Portugal | Private |
| Unisys S.A. | Spain | Private |
| United Information System | United States | Private |
| United Tote Company Inc | United States | Private |
| Universal Computer Systems Holding, Inc | United States | Private |
| Universal Computer Systems Inc | United States | Private |
| Uniwill Computer (Suzhou Industrial Park) Co., Ltd. | China | Private |
| Uniwill Computer Corp. | Taiwan | Private |
| USI JAPAN CO.,LTD. | Japan | Private |
| Vanstar Corporation | United States | Private |
| VANTEC INC. | Japan | Private |
| VCI plc | United Kingdom | Private |
| Veridata Electronics Inc. | Taiwan | Private |
| Verifone Holdings, Inc. | United States | Private |
| Verifone Inc | United States | Private |
| Verity Inc. | United States | Private |
| Versatility, Inc. | United States | Private |
| Vestcom International, Inc. | United States | Private |
| Viasoft, Inc. | United States | Private |
| Vicom Multimedia Inc | Canada | Private |
| Videotron Ltee | Canada | Private |
| VIGLEN TECHNOLOGY LTD | United Kingdom | Private |
| Vigobyte Tape Corporation | United States | Private |
| Virtual Chip Exchange USA, Inc | United States | Private |
| Virtual Image Technology Inc | United States | Private |
| Virtual Wave Inc | Canada | Private |
| Virtuality Group plc | United Kingdom | Private |
| Visara International | Netherlands | Private |
| Visio Corporation | United States | Private |
| Visual Networks, Inc. | United States | Private |
| Vmic, Inc | United States | Private |
| Vobis Microcomputer AG | Germany | Private |
| Vogon International Limited | United Kingdom | Private |
| Voice Control Systems, Inc. | United States | Private |
| Voodoo Computers Ltd | Canada | Private |
| Walkabout Computers, Inc | United States | Private |
| Wall Data Incorporated | United States | Private |
| Wallingford Computer Services, Inc. | United States | Private |
| Wang Laboratories Ireland Ltd. | Republic of Ireland | Private |
| Wang Laboratories Puerto Rico Inc. | Puerto Rico | Private |
| Warner Power LLC | United States | Private |
| WAV, Inc. | United States | Private |
| WAY Systems, Inc. | United States | Private |
| WebCatalyst, Inc. | United States | Private |
| Wep Peripherals Limited | India | Private |
| Westermo Teleindustri AB | Sweden | Private |
|