| Three Affiliated Tribes Head Start ND | Educational Services | 28 | $50,400 | - |
| Three Arch LLC CA | Healthcare & Social Assistance | 1 | $118,893 | - |
| Three Bond International, Inc. CA | - | 0 | - | - |
| Three Brothers Concrete Inc CO | Construction | 0 | - | F |
| Three Chiefs and No Indians, LLC (American CA | - | 0 | - | - |
| Three Crosses Regional Hospital, LLC NM | Healthcare & Social Assistance | 1 | - | F |
| Three Crowns (US) LLP DC | Professional & Technical Services | 1 | $340,000 | - |
| Three D Electric Company CA | Construction | 0 | - | F |
| Three D Metals, Inc. OH | Wholesale Trade | 0 | - | C |
| Three Daughters LLC GA | Retail Trade | 1 | $148,000 | - |
| Three Eighteen on the Avenue NE | - | 0 | - | - |
| Three Floyds Brewpub, LLC IN | - | 0 | - | - |
| Three Floyds Distilling, LLC IN | - | 0 | - | - |
| Three G's Inc. CA | - | 0 | - | - |
| Three Kings Delivery Inc FL | Transportation & Warehousing | 0 | - | D |
| Three Notch'd Brewing Company VA | Accommodation & Food Services | 0 | - | F |
| Three Oaks Contractors, Inc. SC | Construction | 0 | - | F |
| Three Oaks Hospice, Inc. TX | Healthcare & Social Assistance | 0 | - | F |
| Three Phase Line Construction, Inc. NH | Construction | 1 | $85,000 | - |
| Three Pirates LLC OR | Wholesale Trade | 0 | - | F |
| Three Pirates, LLC dba Point Blank Distributing OR | - | 0 | - | - |
| Three Rivers Health and Rehabilitation AR | Healthcare & Social Assistance | 0 | - | - |
| Three Rivers Medical Center KY | Healthcare & Social Assistance | 0 | - | D |
| Three Rivers Park District MN | Public Administration | 0 | - | D |
| Three Rivers Radiology Associates, P.C. OR | Healthcare & Social Assistance | 2 | $500,000 | - |
| Three Rivers School District OR | Educational Services | 0 | - | A |
| Three Stone Hearth, LLC CA | Retail Trade | 0 | - | - |
| Three Trails Delivery LLC. MO | Transportation & Warehousing | 0 | - | - |
| Three Valleys Municipal Water District CA | Utilities | 0 | - | F |
| Three Z Printing IL | Manufacturing | 0 | - | F |
| Three-Way Cevrolet Co. dba Three-Way Chevrolet Cadillac CA | - | 0 | - | - |
| Threebyone USA, LLC CA | Wholesale Trade | 1 | $120,000 | - |
| ThreePlusOne Company LLC NY | Professional & Technical Services | 1 | $55,661 | - |
| Threesixnine INC. CA | Professional & Technical Services | 2 | $114,400 | - |
| Threshold Enterprises CA | Manufacturing | 0 | - | F |
| Thrift Books MO | - | 0 | - | - |
| Thrift Books NV | - | 0 | - | - |
| Thrift Books - Detroit Processing Center MI | - | 0 | - | - |
| Thrift Books Global LLC AZ | Retail Trade | 0 | - | C |
| Thrift Books Global, LLC CT | - | 0 | - | - |
| Thrift Stores of Washington, D. C. MD | - | 0 | - | - |
| Thrift World LLC MO | Retail Trade | 0 | - | C |
| Thrift World LLC NE | Retail Trade | 0 | - | C |
| Thriftbooks Global LLC OR | - | 0 | - | - |
| Thrifty Iron Works Inc MD | Construction | 0 | - | F |
| Thrifty Payless, Inc. (Rite Aide) CA | - | 0 | - | - |
| Thrifty Retail Services LLC Serv-U-Success MI | Wholesale Trade | 0 | - | D |
| Thrive AI Health CA | Information & Media | 1 | $185,000 | - |
| Thrive Capital Management LLC NY | Finance & Insurance | 1 | $300,000 | - |
| Thrive Freezedry UT | Manufacturing | 0 | - | F |
