| Diesel Radiator Co. IL | Manufacturing | 0 | — | F |
| Diesel Truck Sales, Inc. MI | Wholesale Trade | 0 | — | F |
| Diesslin Structures Inc CO | Construction | 0 | — | F |
| Diestel Turkey Ranch CA | Manufacturing | 0 | — | A |
| DieTech North America LLC MI | Manufacturing | 0 | — | F |
| DIETERICH FIRE PROTECTION DISTRICRT IL | Public Administration | 0 | — | A |
| Dietrich Bros Lawn Services, LLC TX | Administrative & Waste Services | 0 | — | F |
| Dietrich Metal Framing IN | — | 0 | — | — |
| Dietz & Company Architects, Inc. MA | Professional & Technical Services | 1 | $76,499 | — |
| Dietz & Watson, Inc. PA | Agriculture & Forestry | 1 | $95,014 | — |
| Dietz and Watson MD | Manufacturing | 0 | — | F |
| Dietz and Watson PA | Manufacturing | 0 | — | F |
| Dietz Property Group IL | Real Estate | 0 | — | A |
| Dietz Property Group IN | Real Estate | 0 | — | A |
| Dietz Property Group MI | Real Estate | 0 | — | F |
| Dietz Property Group OH | Real Estate | 0 | — | A |
| Dietzler Construction CO | Construction | 0 | — | F |
| DiFACTO Robotics America LLC MI | Professional & Technical Services | 1 | $120,723 | — |
| DiFazio Industries LLC NY | Construction | 1 | $103,000 | — |
| DiFazio Power and Electric LLC NY | Construction | 0 | — | A |
| DiFiore Construction Inc NY | Construction | 0 | — | A |
| Dig Inn 1319 First Avenue LLC dba DIG (multiple NYC sites) NY | — | 0 | — | — |
| Dig Inn Rye Ridge LLC aka DIG NY | — | 0 | — | — |
| Dig It Of New York, LLC NY | Construction | 0 | — | F |
| Dig Studio Inc. AZ | Professional & Technical Services | 1 | $75,000 | — |
| Dig-It Inc. MI | Construction | 0 | — | D |
| Digby Southwest AZ | Transportation & Warehousing | 0 | — | A |
| Digby's Detective and Security Agency, Inc. IL | — | 0 | — | — |
| Digco Utility Construction, L.P. TX | Construction | 0 | — | B |
| Digerati Systems Inc TX | Professional & Technical Services | 2 | $115,638 | — |
| DiGeronimo Companies OH | Construction | 0 | — | A |
| DIGesare Mechanical Group NY | Construction | 0 | — | D |
| Digestiva Inc. CA | Professional & Technical Services | 1 | $80,000 | — |
| Digestive Care of Evansville IN | Healthcare & Social Assistance | 0 | — | A |
| Digestive Diseases Diagnostic & Treatment Center DBA South Brooklyn Endoscopy Center NY | Healthcare & Social Assistance | 0 | — | A |
| Digestive Health Partners PA NC | Healthcare & Social Assistance | 0 | — | B |
| Digestive Health Specialists AZ | Healthcare & Social Assistance | 0 | — | A |
| Digger Specialties Inc IN | Manufacturing | 0 | — | F |
| Digger Specialties Inc MO | Manufacturing | 0 | — | F |
| Digger Specialties Inc NC | Manufacturing | 0 | — | F |
| Digger Specialties, Inc GA | Manufacturing | 0 | — | A |
| Digger Specialties, Inc PA | Manufacturing | 0 | — | F |
| Diggerland USA 1, LLC NJ | Arts & Entertainment | 0 | — | F |
| Diggers Specialties Inc NC | Manufacturing | 0 | — | A |
| Diggers Specialties Inc PA | Manufacturing | 0 | — | F |
| Digging & Rigging II, Inc. DBA Coastal Crane Service MD | Construction | 0 | — | D |
| Digging & Rigging, Inc. MD | Construction | 0 | — | F |
| DIGI CLOUD LLC NC | Professional & Technical Services | 1 | $83,325 | — |
| Digi International Inc. MN | Manufacturing | 1 | $90,896 | — |
| Digi-Key Corporation MN | Wholesale Trade | 2 | $178,152 | — |