| Treasure Data, Inc. | California |
| Treasure Island IT | Idaho |
| Treasure Listings, LLC | |
| Treasure Valley SEO, LLC | |
| Treasury Curve, LLC | California |
| Treasury Prime, Inc. | California |
| Treasury Software | Virginia |
| Treasury4 | |
| Treat Technologies, Inc. | |
| Treatlife | Colorado |
| Treatspace, Inc. | Pennsylvania |
| Trebor International, Inc. | Utah |
| Tredd's Self Storage Software | Pennsylvania |
| Tredence, Inc. | California |
| Tredent Data Systems | California |
| TreDigital | Washington |
| Tree Line Solutions | Vermont |
| Tree Top Web Design | |
| TreeAge Software, Inc. | Massachusetts |
| Treehouse | |
| Treehouse Capital, LLC | California |
| Treehouse Island, Inc. | Oregon |
| Treehouse Software | Pennsylvania |
| Treeline Biosciences, Inc. | Massachusetts |
| Treeline Interactive, Inc. | |
| Treeline Interactive, LLC | |
| Treetop Interactive | Ohio |
| TreeTop Security | |
| Trefoil Therapeutics | |
| Tregeutix, Inc. | |
| TregTherapeutics, Inc. | |
| Trek Equipment Corporation | California |
| Trek Global Corporation | Washington |
| Trek Health | |
| Trek10, Inc. | |
| Trekk Design, Inc. | |
| TREKKA Therapeutics | |
| Trelent, Inc. | |
| Trelent, Inc. | |
| Trella Health, LLC | Georgia |
| Trellia Networks, Inc. | |
| Trellis | California |
| Trellis Bioscience, Inc. | California |
| Trellis Group, Inc. | |
| Trellis Network Services | North Carolina |
| Trellis Partners | Texas |
| TrellisPoint, LLC | Ohio |
| Trellist, Inc. | |
| Trellix | Texas |
| Trelly Group, Inc. | |