| WHO Digital Strategy | |
| Who.is | Colorado |
| WhoIAM | Washington |
| Whoishostingthis.com | |
| Whole Realm Technologies | |
| Whole Technology Co. | Pennsylvania |
| Whole Tomato Software, LLC | Texas |
| Wholesale Electronics, Inc. | South Dakota |
| Wholesale Payments | Texas |
| Wholesale Scanners, Inc. | Florida |
| Whoo Intercom | Massachusetts |
| Whoop Wireless | Colorado |
| WHOOP, Inc. | |
| Whop, Inc. | |
| WhoseYourLandlord, Inc. | New York |
| WhyData, Inc. | Rhode Island |
| WhYDevelop | Washington |
| WhyLabs, Inc. | Washington |
| Whym Group, Inc. | California |
| WI Harper Group | California |
| Wi-Fi Alliance | Texas |
| Wi-Fi Guys, LLC | Minnesota |
| Wi-Gear, Inc. | California |
| Wi2Wi, Inc. | California |
| WiBit.Net | Maryland |
| Wibmo, Inc. | California |
| WiBotic | Washington |
| Wicab, Inc. | |
| Wichita Advertising Agency | |
| Wichita State University Electrical and Computer Engineering | Kansas |
| Wichita State University Mathematics, Statistics and Physics | Kansas |
| WickedThink Marketing | |
| WICO Information Technologies, Inc. | Illinois |
| Wiconn Valley Media Group | |
| Wicresoft | Washington |
| Wide Evolution Systems Corporation | Florida |
| Wide Eye | District of Columbia |
| Wide Wind | |
| WideBand | Missouri |
| Wideband Systems, Inc. | |
| WideData | Georgia |
| Widely Interactive, LLC | |
| Widen Enterprises, Inc. | Wisconsin |
| Widener University | Pennsylvania |
| WideNet Consulting, LLC | |
| Widening Horizons, Inc. | California |
| Wideo, Inc. | California |
| WideOpen Networks, Inc. | Virginia |
| WideOrbit, Inc. | California |
| WidePoint Corporation | Virginia |