| WingSwept | North Carolina |
| Wingware | Massachusetts |
| Wingz, Inc. | Texas |
| Winhost | California |
| WINIT | California |
| WinJewel Software | Idaho |
| Wink | California |
| Winland Electronics, Inc. | Minnesota |
| WinLase | California |
| WinMedStat | Texas |
| WinMerge | California |
| Winmill Software | New York |
| Winmo | Georgia |
| Winn Communications | Michigan |
| Winncom Technologies Corporation | Ohio |
| Winning Solutions, Inc. | Iowa |
| Winning Technologies, Inc. | Missouri |
| Winnow Data, LLC | |
| Winnow Fund | Wisconsin |
| WinOcular | Texas |
| Winola Lake Health IT | Pennsylvania |
| Winona Computers | Minnesota |
| Winona State University Computer Information Systems | Minnesota |
| Winona State University Computer Science Department | Minnesota |
| Winonics | California |
| WinPcap | New Hampshire |
| Winradio Communications | Texas |
| WinRep Software | Minnesota |
| WinSanTor, Inc. | California |
| WinSanTor, Inc. | |
| WinSet Group, LLC | Virginia |
| Winshuttle, LLC | Washington |
| WinSim, Inc. | Texas |
| WinSite | Indiana |
| Winslow | |
| Winslow Automation, Inc. | California |
| Winslow Ranch Marketing | |
| Winslow Systems Ltd | North Carolina |
| WinSoft, Inc. | California |
| WinSPC | Michigan |
| Winstanley Associates | Michigan |
| Winstar Payments | Florida |
| WinSTAT | Massachusetts |
| Winston Starts | North Carolina |
| Winston-Salem State University | North Carolina |
| WinSwim | Washington |
| WinSystems, Inc. | Texas |
| Wintec Group, Inc. | New York |
| Wintec Industries | California |
| Wintech Digital Systems Technology Corporation | California |