| Name | Country | Market Cap (US$) |
|---|
| Wistron InfoComm (Zhongshan) Corporation | China | Private |
| WM Data Infrasolution | Sweden | Private |
| WM-Data Nordic AB | Sweden | Private |
| Wordcruncher Int. Tech. | United States | Private |
| Work X Ag | Germany | Private |
| Workgroup Technology Corporation | United States | Private |
| World Internetworks, Inc. | United States | Private |
| Wuxi Pro-face Electronics Co., Ltd. | China | Private |
| Xaarjet AB | Sweden | Private |
| XAC AUTOMATION CORP. | Taiwan | Private |
| Xavier Computer Group plc | United Kingdom | Private |
| Xenitis Infotech Limited | India | Private |
| Xerox Connect, Inc | United States | Private |
| Xerox Crédit NV | Belgium | Private |
| Xerox S.p.A. | Italy | Private |
| Xionics Document Technologies, Inc. | United States | Private |
| Xircom, Inc. | United States | Private |
| Xplore Marketing And Distribution Sdn Bhd | Malaysia | Private |
| Xscribe Corporation | United States | Private |
| Xtreme Accessories, LLC | United States | Private |
| Xybernaut Corporation | United States | Private |
| Xycom Automation | United States | Private |
| YAMAGATA FUJITSU LIMITED | Japan | Private |
| YAMURA DENKI SEIKI K.K. | Japan | Private |
| Yarc Systems Corporation, Inc. | United States | Private |
| Yin Shin Technology (China) Inc. | China | Private |
| Yip In Tsoi & Co.,Ltd. | Thailand | Private |
| YOSHIKI ELECTRONICS INDUSTRIAL CO.,LTD. | Japan | Private |
| ZeitNet Inc. | United States | Private |
| Zekang Technology (Wujiang) Co.,Ltd. | China | Private |
| Zen Research plc | United Kingdom | Private |
| ZENITH COMPUTERS LIMITED | India | Private |
| Zeny Electronic (Shenzhen) Co.,Ltd. | China | Private |
| Zetex plc | United Kingdom | Private |
| Zircon Technology (Wujiang) Co., Ltd. | China | Private |
| ZONAL RETAIL DATA SYSTEMS LTD | | Private |
| Zzyzx Peripherals, Inc. | United States | Private |
|
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