| Trifox, Inc. | California |
| Trigen Laboratories | Georgia |
| Trigent Software, Inc. | Massachusetts |
| Trigger Digital | |
| TriggerMesh | North Carolina |
| Trighton Interactive | |
| Trigram Software, LLC | Ohio |
| Trigrexam, Inc. | |
| Trigyn Technologies Ltd | New Jersey |
| Trihydro | Wyoming |
| Trijit Corporation | Delaware |
| Trijour Media Design | |
| Trilantic North America | |
| TriLink Biotechnologies, Inc. | California |
| Trilio | |
| Trillian | Connecticut |
| Trilliant Holdings, Inc. | North Carolina |
| Trillion Technology Solutions, Inc. | |
| Trillium Power Wind Corporation | |
| Trilo Therapeutics, Inc. | |
| Trilobio | |
| Trilog Group | Massachusetts |
| Trilogic Systems | Massachusetts |
| Trilogic, Inc. | Massachusetts |
| Trilogy | Texas |
| Trilogy Computing, LLP | Indiana |
| Trilogy Networks, Inc. | Colorado |
| Trilogy-Studios | |
| TRIM-edicine | Ohio |
| Trimantra Software Solution | |
| Trimark Computer Systems, Inc. | California |
| TriMark Digital | |
| Trimble, Inc. | California |
| TriMed, Inc. | |
| TriMetis Life Sciences | Tennessee |
| TrimGen Corporation | Maryland |
| TriMin Systems | Minnesota |
| TRIMS Software, LLC | Arizona |
| Trimsy, Inc. | |
| Trinacle, Inc. | California |
| TRiNDS | Pennsylvania |
| Trine Aerospace | Colorado |
| Trine University | Indiana |
| TriNet Group, Inc. | California |
| Trinet Internet Solutions, Inc. | California |
| Trinetix | Tennessee |
| TriNetX, LLC | |
| Tring, Inc. | |
| Tringapps, Inc. | New York |
| Trinicom Communications, LLC | Texas |