| Trobella Cabinetry Inc. WA | Manufacturing | 0 | — | F |
| Trobus Technologies LLC MD | Professional & Technical Services | 1 | $83,034 | — |
| TRoc NC | — | 0 | — | — |
| Troegs Brewing Company PA | Manufacturing | 0 | — | A |
| Trofholz Technologies, Inc. CA | Professional & Technical Services | 0 | — | F |
| Troil Enterprises LLC NJ | Wholesale Trade | 0 | — | C |
| TROIS CPA, A PROFESSIONAL CORPORATION CA | Professional & Technical Services | 3 | $74,880 | — |
| Trois Enterprise Inc TX | Construction | 0 | — | A |
| Trojan Battery CA | Manufacturing | 0 | — | F |
| Trojan Battery Company GA | Manufacturing | 0 | — | F |
| Trojan Battery Company-Ann St. CA | Manufacturing | 0 | — | F |
| Trojan Battery-Clark St. CA | Manufacturing | 0 | — | F |
| Trojan Builders Inc FL | Construction | 0 | — | D |
| Trojan Concrete, Inc. AZ | Construction | 0 | — | F |
| Trojan Electric, Inc TX | Construction | 0 | — | A |
| Trojan Heat Treat, Inc. MI | Manufacturing | 0 | — | F |
| Trola Industries, Inc. PA | Manufacturing | 0 | — | A |
| Troll Systems Corporation CA | Manufacturing | 0 | — | D |
| Trolleys Inc., dba Sunway Charters NC | Transportation & Warehousing | 0 | — | A |
| Trolleys Inc., dba Sunway Charters SC | Transportation & Warehousing | 0 | — | A |
| Trollhaugen Ski Area Inc WI | Arts & Entertainment | 0 | — | D |
| Trombetta WI | Manufacturing | 0 | — | A |
| Tron Electric, Inc. TX | Construction | 0 | — | C |
| Tron Mechanical, Inc. IN | Manufacturing | 0 | — | A |
| Tron Solar LLC IL | Construction | 0 | — | A |
| Tronair OH | Manufacturing | 0 | — | D |
| Tronex International, Inc. NJ | Manufacturing | 0 | — | A |
| Tronicom Corp MO | Administrative & Waste Services | 1 | $68,649 | — |
| Tronics MEMS TDK TX | Manufacturing | 0 | — | A |
| Tronox MS | — | 0 | — | — |
| Tronox Chemical MS | Manufacturing | 0 | — | A |
| Tronox LLC CT | Manufacturing | 2 | $165,000 | — |
| Troon Golf, LLC AZ | Real Estate | 1 | $105,000 | — |
| Troon Golf, LLC - employer FL | Arts & Entertainment | 0 | — | D |
| Troop Contracting, Inc. IL | Construction | 0 | — | A |
| Trop Casino - Eldorado Resorts MS | — | 0 | — | — |
| Trop Casino Greenville MS | Arts & Entertainment | 0 | — | A |
| Tropar Mfg Co Inc NJ | Manufacturing | 0 | — | F |
| Trophy Automotive Dealer Group LLC CA | — | 0 | — | — |
| Trophy Automotive Dealer Group LLC DBA First Motor Group of Los Angeles LLC CA | — | 0 | — | — |
| Trophy House MN | — | 0 | — | — |
| Trophy Nut Co. OH | Manufacturing | 0 | — | A |
| Trophy of Carson LLC CA | — | 0 | — | — |
| Trophy of Carson LLC, Kia of Carson CA | — | 0 | — | — |
| Trophy of Carson LLC-Kia of Carson CA | — | 0 | — | — |
| Trophy Universal City Group LLC CA | — | 0 | — | — |
| Trophy Universal City Group LLC, dba Universal City Nissan CA | — | 0 | — | — |
| Trophy Universal City Group, LLC-Universal City Nissan CA | — | 0 | — | — |
| Tropic Oil Company FL | Wholesale Trade | 0 | — | A |
| Tropic Supply, Inc. FL | Wholesale Trade | 0 | — | F |