| Telkonet, Inc. | Maryland |
| Tellabs Access, LLC | Illinois |
| TellBio, Inc. | Massachusetts |
| Tellennium | Kentucky |
| Tellgen Corporation | |
| Telliant Systems | |
| Telliris | Connecticut |
| Tellius, Inc. | Virginia |
| TellÅs Creative | |
| Telltale Games | California |
| Telluride Venture Network | |
| Tellus Markets Corporation | Colorado |
| Tellus Therapeutics | |
| Telly, Inc. | |
| Telm.ai | California |
| Telmar Group, Inc. | New York |
| Telmex USA, LLC | Florida |
| TelNet Worldwide, Inc. | Michigan |
| Telnyx, LLC | Illinois |
| Telo Therapeutics, Inc. | |
| Telo Trucks, Inc. | California |
| Telomir Pharmaceuticals, Inc. | |
| Telos Biotech | |
| Telos Corporation | Virginia |
| Telos Labs | |
| Telpage, Inc. | Virginia |
| Telsasoft | Minnesota |
| TelSpan | Indiana |
| Telular Corporation | Illinois |
| Telusys, Inc. | Illinois |
| Telx Computers | Florida |
| Telzio, Inc. | California |
| Temeritee Corporation | |
| Temerity Capital Partners, LLC | District of Columbia |
| Tempero Bio | California |
| TemperPack | |
| Tempest | California |
| Tempest Design, Inc. | Oregon |
| Tempest Telecom | Arizona |
| Tempest Telecom Solutions | California |
| Tempest Therapeutics, Inc. | |
| Tempest, Inc. | |
| Tempesta Media, LLC | |
| Tempesta Technologies, Inc. | Washington |
| Tempesta Technologies, Inc. | |
| Templarbit, Inc. | |
| Template Automation | Kentucky |
| Template Software, Inc. | Virginia |
| Temple College | Texas |
| Temple Development Corporation | Ohio |