| D.H. Griffin Wrecking Company NC | Construction | 2 | $69,243 | - |
| D.H. Smith Company, Inc. CA | Construction | 0 | - | F |
| D.H.R. Construction, INC. CA | Construction | 1 | $160,000 | D |
| D.K.K. Inc. MP | Construction | 1 | $55,827 | - |
| D.L. Blair NE | - | 0 | - | - |
| D.P. Tool & Machine, Inc. NY | Manufacturing | 0 | - | B |
| D.R. Allen and Son NC | Manufacturing | 0 | - | F |
| D.R. Horton - Phoenix West AZ | Construction | 0 | - | B |
| D.R. Horton, Inc. CA | Construction | 0 | - | A |
| D.R. Horton, Inc. FL | Construction | 0 | - | C |
| D.R. Horton, Inc. TN | Construction | 0 | - | C |
| D.R. Horton, Inc. TX | Construction | 0 | - | A |
| D.R. Horton, Inc. UT | Construction | 0 | - | C |
| D.R. Horton, Inc. WA | Construction | 0 | - | D |
| D.W. Transport & Leasing Inc. CT | Transportation & Warehousing | 0 | - | F |
| D.W. White Construction, INC. MA | Construction | 0 | - | C |
| D/B/A Columbia Hospital CORP. Of South Broward FL | Healthcare & Social Assistance | 0 | - | F |
| d/b/a McCaffreys Markets PA | Retail Trade | 0 | - | D |
| D1 Capital Partners LP NY | Finance & Insurance | 1 | $200,000 | - |
| D2 Dental of Lansing, P.C. IL | Healthcare & Social Assistance | 1 | $120,000 | - |
| D2 Groups LLC PA | Professional & Technical Services | 3 | $106,808 | - |
| D20 Industries LLC OH | Transportation & Warehousing | 0 | - | F |
| D2D Distro, Inc. NY | Wholesale Trade | 1 | $90,000 | - |
| D2i0a2m5o INC NY | - | 1 | $150,000 | - |
| D2L Associates, Inc. NJ | - | 0 | - | - |
| D2logistics LLC MD | Transportation & Warehousing | 0 | - | F |
| D2Sol, Inc. NC | Professional & Technical Services | 31 | $140,000 | - |
| D3 Glass FL | Manufacturing | 0 | - | F |
| D3 Solutions Inc. TX | Professional & Technical Services | 3 | $87,180 | - |
| D3u, INC. OR | Professional & Technical Services | 2 | $115,000 | - |
| D3uc Limited Liability Company NJ | Information & Media | 1 | $94,661 | - |
| D4 Delivery Solutions NC | Transportation & Warehousing | 0 | - | A |
| D4 Technologies Inc. CO | Professional & Technical Services | 1 | $100,000 | - |
| D6 LLC TX | Administrative & Waste Services | 0 | - | F |
| Da Buzz NE | - | 0 | - | - |
| DA McCosker Construction Co CA | Construction | 0 | - | F |
| Da Vinci Software Solutions LLC MN | - | 9 | $146,869 | - |
| Da Vita Rx AZ | - | 0 | - | - |
| DAA Draexlmaier Automotive of America, LLC CA | Manufacturing | 0 | - | A |
| DAA Draexlmaier Automotive of America, LLC SC | Manufacturing | 0 | - | A |
| Daaquam Lumber Maine ME | Manufacturing | 0 | - | F |
| Dabble Sports, LLC TX | - | 1 | $75,620 | - |
| Dabby Investments, LLC / Dabby Management, LLC NJ | Finance & Insurance | 1 | $144,290 | - |
| Dabico Airport Solutions, Inc. CA | - | 0 | - | - |
| DACA - De Anza Cupertino Aquatics CA | - | 0 | - | - |
| DACK Consulting Solutions, Inc. NY | Professional & Technical Services | 5 | $133,769 | - |
| Dacor CA | - | 0 | - | - |
| Dacotah Bank Aberdeen SD | - | 1 | $83,408 | - |
| Dacotah Paper Co ND | Wholesale Trade | 0 | - | C |
| DACS Asphalt and Concrete CO | Construction | 0 | - | F |