| Windfall Bio | |
| WindFarm Marketing, Inc. | |
| Windfreak Technologies, LLC | Florida |
| Windgap Medical, Inc. | Massachusetts |
| Windham Venture Partners | New York |
| Windhill Design | New Hampshire |
| WindJack Solutions, Inc. | Oregon |
| Windmill Cardiovascular Systems, Inc. | Texas |
| Windmill Labs, Inc. | Delaware |
| Windmill Strategy | |
| WindMotion Agency, Inc. | |
| Windo | Delaware |
| Window Book, Inc. | Massachusetts |
| Window Therapeutics | |
| WindoWare, Inc. | Virginia |
| Windows Central | New York |
| Windows Driver Consulting | Massachusetts |
| Windows Forum | Arizona |
| WindowsObserver.com | Florida |
| WindowsSCOPE | Massachusetts |
| Windowswear | New York |
| WindRose Health Investors | New York |
| Windrose Technology | |
| Windshire Group, LLC | Massachusetts |
| Windsor Software, Inc. | |
| Windsor Street Design Associates, Inc. | Maine |
| Windspeed Technologies, LLC | Washington |
| Windstream Enterprise | North Carolina |
| Windstream Intellectual Property Services, LLC | Arkansas |
| Windsurf | California |
| Windswept Software, LLC | Massachusetts |
| Windtree Therapeutics, Inc. | |
| Windurance | Pennsylvania |
| Windward Studios, Inc. | Colorado |
| Windward Ventures | California |
| Windweaver | Massachusetts |
| Windy City Strategies | Illinois |
| Windy City Web Designs | |
| Winferno Software | Massachusetts |
| Winford Engineering | Michigan |
| Winfosoft | |
| Wing Assistant | |
| Wing my Web, LLC | |
| Wing Venture Capital | California |
| Wingate University | North Carolina |
| WingedMedia, LLC | |
| Wingenuity, Inc. | Indiana |
| Wingman | Georgia |
| Wingman Partners | |
| Wings | Massachusetts |