| TurkReno, Inc. | Alabama |
| Turn Agency, LLC | |
| Turn Biotechnologies, Inc. | California |
| Turn Key Solutions, LLC | Louisiana |
| Turn Medical, LLC | |
| Turn Technologies, Inc. | Illinois |
| Turn The Page St. Louis | |
| Turn Therapeutics | |
| Turn Up Technologies, Inc. | |
| Turn-Key Technologies | New Jersey |
| Turn/River Capital | California |
| Turn7 Digital | |
| Turner Imaging Systems | |
| Turngate, Inc. | |
| Turning Point Brands, Inc. | Kentucky |
| TurningPoint Systems, Inc. | Massachusetts |
| Turnitin, LLC | |
| Turnkey | New York |
| Turnkey Computer Systems, Inc. | Illinois |
| Turnkey Computer Systems, LLC | |
| TurnKey Creations | Iowa |
| TurnKey Internet, Inc. | Florida |
| TurnKey Labs, LLC | |
| Turnkey Lender | Texas |
| TurnKey Solutions | Colorado |
| TurnKey.org | Illinois |
| TurnkeyTown | Illinois |
| TurnkeyWebPros | Illinois |
| Turnotech, Inc. | Washington |
| Turnpost Creative Group | |
| Turnsmith, Inc. | North Carolina |
| Turnstile Advertising | |
| Turnstyle | Washington |
| Turntide | California |
| TurnToTech | |
| Turquoise Biotechnologies | |
| Turquoise Health | California |
| Turret Labs | North Carolina |
| Turtle Beach Corporation | California |
| Turtle Creek Software | New York |
| Turtle Island Web Design | Washington |
| Turtle Mountain College | North Dakota |
| Turtle Rock Studios | California |
| Turtlehut | Michigan |
| TurtlePie Solutions, LLC | |
| Turvo, Inc. | California |
| Tuscarawas Regional Technology Park | Ohio |
| Tusculum University | Tennessee |
| TuSimple, Inc. | California |
| TUSK Browser | California |