| TouchMail, Inc. | |
| TouchMath | |
| TouchNet Information Systems, Inc. | Kansas |
| TouchPoint | Texas |
| Touchpoint Digital | |
| Touchpoint Energized Communications | South Carolina |
| TouchPoint One | |
| TouchPoints | |
| TouchSource | Colorado |
| Touchstone Communications | |
| Touchstone Compliance | |
| TouchStone Digital | Ohio |
| Touchstone Pathway, Inc. | Tennessee |
| Touchstone Technologies, Inc. | Pennsylvania |
| Touchstone Technology, Inc. | New York |
| TouchTone Communications, Inc. | New Jersey |
| Touchtone Corporation | California |
| TouchTronics, Inc. | Indiana |
| TouchWindow.com | Georgia |
| Touchwood Technologies, Inc. | Arkansas |
| TouchWorld | Michigan |
| TouchZen Media, LLC | California |
| Tougaloo College Department of Mathematics & Computer Science | Mississippi |
| Tour Software | Oregon |
| Tour24 | |
| TourBox Tech, Inc. | California |
| Touring Capital | |
| Tourmac, Inc. | |
| Tourmaline Bio | New York |
| Tourmaline Labs, Inc. | California |
| Tourmo | California |
| Touro University | New York |
| Touro University California | California |
| TourVista | Washington |
| Tout Advertising | |
| Tovuti LMS | Idaho |
| TOWA Software, Inc. | Texas |
| Towa USA | California |
| Towardex | Massachusetts |
| Towards The Cloud, LLC | |
| Tower House Computers, LLC | Missouri |
| Tower Marketing | |
| Tower Optical Corporation | Florida |
| Tower Systems, Inc. | South Dakota |
| Tower33 Digital, Inc. | |
| Towerall, Inc. | Massachusetts |
| TowerCo | North Carolina |
| TowerData, Inc. | New York |
| TowerHouse Studio, LLC | |
| ToweringMedia.com | Washington |