| Duncaster, Inc. CT | Healthcare & Social Assistance | 0 | - | F |
| Dundee Castings Company MI | Manufacturing | 0 | - | C |
| Dundee Resort Development LLC DBA Arapahoe Basin Ski Area CO | Arts & Entertainment | 0 | - | F |
| Dundee Township Park District IL | Public Administration | 0 | - | F |
| Dundy County Hospital NE | Healthcare & Social Assistance | 3 | $57,532 | - |
| Dunedin Sports Horses LLC PA | Agriculture & Forestry | 1 | $100,464 | - |
| Dungarvin Washington Supported Living, LLC. WA | Healthcare & Social Assistance | 0 | - | F |
| Dungarvin Wisconsin, LLC. WI | Healthcare & Social Assistance | 0 | - | F |
| Dunham Bush USA FL | Manufacturing | 1 | $165,000 | - |
| Dunham's Bar MN | - | 0 | - | - |
| Dunkin Donuts MN | - | 0 | - | - |
| Dunkin Donuts/Baskin Robbins (Pappas) TX | - | 0 | - | - |
| Dunkirk Operating System NY | Healthcare & Social Assistance | 0 | - | - |
| Dunkirk Rehabilitation and Nursing NY | Healthcare & Social Assistance | 0 | - | - |
| Dunlap & Kyle CO INC AL | Wholesale Trade | 0 | - | F |
| Dunlap & Kyle CO INC AR | Wholesale Trade | 0 | - | A |
| Dunlap & Kyle CO INC MS | Wholesale Trade | 0 | - | C |
| Dunlap & Kyle CO INC OH | Wholesale Trade | 0 | - | C |
| Dunlap & Kyle CO INC OK | Wholesale Trade | 0 | - | F |
| Dunlap & Kyle CO INC TN | Retail Trade | 0 | - | B |
| Dunlap & Kyle CO INC TX | Retail Trade | 0 | - | D |
| Dunlavy Contracting, LLC SD | - | 1 | $100,000 | - |
| Dunmore Health Care Center PA | Healthcare & Social Assistance | 0 | - | F |
| Dunn Brothers Chaska MN | - | 0 | - | - |
| Dunn Construction Company, Inc. AL | Construction | 0 | - | F |
| Dunn Edwards Corporation CA | Retail Trade | 0 | - | A |
| Dunn Lumber Co Inc. WA | Retail Trade | 0 | - | F |
| Dunn Paper MI | - | 0 | - | - |
| Dunn Paper WI | Manufacturing | 0 | - | F |
| Dunnet Bay Construction Company IL | Construction | 0 | - | F |
| Dunrite Excavation Inc. CO | Construction | 0 | - | F |
| Dunseith Public School District 1 ND | Educational Services | 3 | $47,500 | - |
| Dunseith Public School District No. 1 ND | - | 1 | $56,425 | - |
| Dunson Harvesting Inc FL | Agriculture & Forestry | 0 | - | F |
| Dunwoody College of Technology MN | Educational Services | 1 | $89,502 | - |
| Dunwoody Village PA | Healthcare & Social Assistance | 0 | - | F |
| Duo-Form Acquistition Corp. MI | Manufacturing | 0 | - | D |
| Duo-Gard Industries, Inc. MI | Construction | 0 | - | F |
| Duo2 LLC MD | Professional & Technical Services | 1 | $97,157 | - |
| DuoDuo Tech Inc. WA | Wholesale Trade | 1 | $120,000 | - |
| Duolingo, Inc. PA | Professional & Technical Services | 57 | $159,200 | - |
| DuPage County Health Department IL | Public Administration | 0 | - | A |
| DuPage Machine Products IL | Manufacturing | 0 | - | F |
| DuPage Medical Technology, Inc. IL | - | 2 | $88,494 | - |
| Duplex AI Inc. CA | - | 2 | $161,637 | - |
| Duplin County Local Government NC | Public Administration | 0 | - | A |
| Duplocloud, INC. CA | Professional & Technical Services | 5 | $123,000 | - |
| DuPont DE | Manufacturing | 0 | - | A |
| DuPont IA | Manufacturing | 0 | - | A |
| DuPont SC | Manufacturing | 0 | - | A |
