| TransLore | Kansas |
| Translucence Biosystems, Inc. | |
| Translucent | |
| Translucent Developments, LLC | Arizona |
| TransLumen Technologies, LLC | Illinois |
| Transluminal Technologies, LLC | New York |
| TransMagic | Colorado |
| TransMed7, LLC | Arizona |
| Transmedia Capital, LLC | California |
| TransMedics, Inc. | Massachusetts |
| Transmetric America, Inc. | Texas |
| Transmissions, LLC | |
| Transmosis | Arizona |
| Transmural Systems | Massachusetts |
| Transmute Industries | Texas |
| transNET Media, LLC | Arizona |
| Transnetyx, Inc. | Tennessee |
| Transneural Therapeutics, Inc. | |
| TransNexus | Georgia |
| TranSolutions, Inc. | Arizona |
| Transom Capital Group, LLC | California |
| Transource Computers | Arizona |
| Transpara, LLC | Arizona |
| Transparensee Systems | New York |
| Transparent Language, Inc. | New Hampshire |
| Transparent Path spc | Washington |
| TransparenTech, LLC | Nevada |
| Transperfect | New York |
| Transphorm, Inc. | California |
| Transpire Bio, Inc. | Florida |
| Transpire Cloud Services | Kentucky |
| Transplant Genomics | Massachusetts |
| Transpoon Therapeutics, Inc. | |
| Transportation Performance, Inc. | Minnesota |
| Transportation | Warehouse Optimization | Tennessee |
| TransportGistics | New York |
| TransportSimple | New York |
| TransStellar, Inc. | California |
| Transtector Systems | Idaho |
| TransTrack System, Inc. | Iowa |
| TransUnion, LLC | Illinois |
| Transverse | Texas |
| Transverse Medical, Inc. | |
| Transylvania University | Kentucky |
| TranWare, Inc. | Florida |
| TRANXITION Corporation | Oregon |
| trap!t | California |
| Trapezoid, Inc. | Florida |
| Trapol8, Inc. | |
| TrapX Security | California |