| Utilant, LLC | New York |
| Utilidata, Inc. | Rhode Island |
| Utilities Telecom Council | District of Columbia |
| Utility Communications, Inc. | Connecticut |
| Utility Data Systems of Texas, LLC | Texas |
| Utility Management Services | Virginia |
| Utility NYC, LLC | |
| Utility, Inc. | |
| UtilityAPI | |
| Utiliware Corporation | California |
| UTIVE, Inc. | |
| UTLRAsurge.com | Arizona |
| UTMStack | |
| Utopia Global, Inc. | Illinois |
| Utopia Skye, LLC | |
| Utopian Design & Marketing | |
| Utopian Web Designs | California |
| UTR Therapeutics, Inc. | |
| UTStarcom | California |
| Utterly Technologies, Inc. | California |
| Uturn Data Solutions | Illinois |
| UUPlus, LLC | California |
| UV Readers | |
| UVA Foundation | |
| Uvax Bio | Delaware |
| UVeye, Inc. | |
| UVIO, LLC | |
| UW Hyperloop Team | Washington |
| UWBA Design, LLC | Indiana |
| UWHOIS, Inc. | Delaware |
| UWorld, LLC | Texas |
| Uwyn, LLC | North Carolina |
| UX Agent | |
| UX Booth | |
| UX Magazine | |
| UX Pilot | |
| UX Team | New Jersey |
| UX Tools | Arizona |
| UXCam | California |
| Uxiliary, LLC | Washington |
| UXOcean Agency | |
| Uzabase, Inc. | |
| UZU Media, LLC | |
| UzVIP, LLC | |
| V Design Studio | Kentucky |
| V Digital Services | |
| V Group, Inc. | New Jersey |
| V Group, Inc. | |
| V R Della InfoTech, Inc. | New Jersey |
| V&C Solutions | California |