| Tusk Ventures | New York |
| Tuskegee University Computer Science | Alabama |
| Tuskegee University Mathematics | Alabama |
| Tust Guard, LLC | Utah |
| Tutone Web, Inc. | Tennessee |
| Tutor AI | |
| Tutor Intelligence | |
| Tutored by Teachers | |
| Tutorware | Arizona |
| Tuuli Media | |
| Tuva Labs, Inc. | |
| Tuvoli, LLC | |
| Tuwa Solutions | |
| TuWay Communications | Pennsylvania |
| Tuxdi, LLC | |
| TUYA Technologies, LLC | Texas |
| Tuya, Inc. | California |
| Tv Eyes, Inc. | |
| TV Parts Guy, Inc. | California |
| TV2GO International, Inc. | |
| Tvardi Therapeutics | |
| TVAX Biomedical, Inc. | |
| tvbeat, Inc. | |
| TVC Capital, LLC | California |
| TVC Communications, Inc. | Pennsylvania |
| TVC.net | California |
| TVEyes, Inc. | Connecticut |
| TVi Dish | Texas |
| Tvia, Inc. | Texas |
| TVision Insights | |
| TvLaLa Consulting | North Carolina |
| TVLP Institute Silicon Valley | California |
| TVPage, Inc. | California |
| TVS Next | New Jersey |
| tvScientific, Inc. | California |
| TWAcomm.com, Inc. | California |
| Tweak Agency | |
| Twee AI, LLC | |
| Twelfth Spring, LLC | |
| Twelve 24 Design | |
| Twelve Below | New York |
| Twelve Benefit Corporation | |
| Twelve Foot Guru, LLC | Georgia |
| Twelve Labs | California |
| Twelve12 | |
| Twelve23 | |
| Twenty PBC | |
| Twenty-First Century | California |
| Twenty-Six & Co., Inc. | |
| Twenty20 Solutions | Texas |