| Thorworks OH | Manufacturing | 0 | — | A |
| THORWORKS INDUSTRIES, INC. OH | Construction | 0 | — | C |
| Thos. Somerville Co. MD | Wholesale Trade | 0 | — | B |
| ThothIT LLC TX | Professional & Technical Services | 2 | $94,026 | — |
| THOUGHT BYTE, INC. NJ | Professional & Technical Services | 18 | $100,746 | — |
| Thought Circuits Services LLC TX | Professional & Technical Services | 13 | $90,446 | — |
| Thought Stream dba Bluescape CA | — | 0 | — | — |
| ThoughtFocus, Inc. TX | Professional & Technical Services | 12 | $122,949 | — |
| ThoughtFocus, Inc. WI | Professional & Technical Services | 1 | $109,283 | — |
| Thoughtforms Corporation MA | Construction | 0 | — | F |
| Thoughtful Automation, Inc IL | Professional & Technical Services | 1 | $215,000 | — |
| ThoughtLine Technologies Inc. IL | Professional & Technical Services | 5 | $102,498 | — |
| ThoughtSpot, Inc. CA | Information & Media | 11 | $144,624 | — |
| Thoughtwave Software & Solutions Inc IL | Professional & Technical Services | 2 | $99,601 | — |
| Thoughtwave Software and Solutions Inc IL | Professional & Technical Services | 10 | $105,295 | — |
| Thoughtworks, Inc. IL | Professional & Technical Services | 17 | $167,244 | — |
| Thousand Islands Winery LLC NY | Manufacturing | 0 | — | F |
| Thousand Oaks Fitness, LLC CA | — | 0 | — | — |
| Thousand Oaks Post Acute CA | Healthcare & Social Assistance | 0 | — | F |
| Thousandshores Inc CA | Transportation & Warehousing | 0 | — | A |
| Thoutt Bros Concrete Contractors Inc. CO | Construction | 0 | — | F |
| THP CA | Transportation & Warehousing | 0 | — | F |
| THP Limited OH | Professional & Technical Services | 0 | — | A |
| THP PAR CA | Transportation & Warehousing | 0 | — | F |
| THQ -Austin TX | — | 0 | — | — |
| THQ, Inc. AZ | — | 0 | — | — |
| Thq, Inc. CA | — | 0 | — | — |
| THQ, Inc. NY | — | 0 | — | — |
| THQ, Inc. Digital Studio Phoenix AZ | — | 0 | — | — |
| Thrash Commercial MS | Construction | 0 | — | F |
| Thrasher Construction, Inc. LA | Construction | 0 | — | F |
| Thrasher Electric, LLC GA | Construction | 0 | — | F |
| Thrasher Industrial Contracting LLC VA | Other Services | 0 | — | A |
| Thrasio, LLC MA | Retail Trade | 3 | $158,780 | — |
| THREAD PRODUCTIONS LLC CA | Professional & Technical Services | 1 | $184,260 | — |
| Thread-Craft, Inc. MI | Manufacturing | 0 | — | F |
| Threaded Fasteners AL | Manufacturing | 0 | — | F |
| Threaded Fasteners FL | Manufacturing | 0 | — | F |
| Threaded Fasteners GA | Manufacturing | 0 | — | A |
| Threaded Fasteners IL | Manufacturing | 0 | — | A |
| Threaded Fasteners IN | Manufacturing | 0 | — | A |
| Threaded Fasteners MS | Manufacturing | 0 | — | A |
| Threaded Fasteners OK | Manufacturing | 0 | — | A |
| Threaded Fasteners TN | Manufacturing | 0 | — | A |
| Threaded Fasteners TX | Manufacturing | 0 | — | F |
| ThreatLocker, Inc. FL | Information & Media | 2 | $140,930 | — |
| Threds TN | Manufacturing | 0 | — | C |
| thredUP AZ | Retail Trade | 0 | — | A |
| thredUP GA | Retail Trade | 0 | — | B |
| thredUP PA | Retail Trade | 0 | — | B |
