| Tremeau Pharmaceuticals, Inc. | |
| Tremendo Web Development | Arizona |
| Tremont Technologies, Inc. | Massachusetts |
| Tremor Video, Inc. | New York |
| Trend | |
| Trend Micro, Inc. | California |
| Trendala | |
| Trendalytics | New York |
| TrenData, Inc. | Texas |
| Trendi Marketing Agency | |
| TrendMedia Technologies, Inc. | California |
| TRENDnet, Inc. | California |
| Trends Marketing Consulting | |
| Trendsetter Electronics, L.P. | Texas |
| Trendsetter Software, Inc. | California |
| Trendsic Corporation, Inc. | |
| TrendSpider, LLC | Illinois |
| Trendway Marketing, Inc. | |
| TrendyMinds | Indiana |
| Trendzdata, LLC | Pennsylvania |
| Trenton Systems, Inc. | Georgia |
| Treovir, Inc. | |
| Trepte Biostorage | |
| TreSensa, Inc. | New York |
| Treseta, Inc. | |
| Tresidder Ltd | New York |
| Trestle Biotherapeutics | |
| Tresys | Maryland |
| Trethera Corporation | California |
| Trevecca Nazarene University | Tennessee |
| Trevena, Inc. | Pennsylvania |
| Trevi Therapeutics | |
| Trevie Research | Massachusetts |
| Treville Capital Management, LLC | |
| TreviPay | Kansas |
| Trevor Reid Designs, LLC | |
| TRex Bio | California |
| TRex Technologies, LLC | |
| Trexle.com | Nevada |
| Trey Hunner | California |
| TRG Components Direct | Virginia |
| TRG Screen | |
| Tri County Telephone Association | Wyoming |
| Tri MAP International | California |
| TRI Princeton | |
| TRI Resources International | Colorado |
| Tri State Computech | Pennsylvania |
| Tri Valley Service | |
| Tri-City Office Machines | California |
| TRI-COR Industries | Virginia |