| DiamondBack Automotive Accessories PA | Manufacturing | 0 | — | F |
| Diamondback Barrels FL | Manufacturing | 0 | — | F |
| Diamondback CNC FL | Manufacturing | 0 | — | F |
| Diamondback Coil Tubing LLC dba Diamondback Energy Services TX | Mining & Extraction | 0 | — | A |
| Diamondback E&P LLC TX | Mining & Extraction | 0 | — | A |
| Diamondback Express, Inc. CA | Transportation & Warehousing | 0 | — | A |
| Diamondback Firearms FL | Manufacturing | 0 | — | A |
| Diamondback Healthcare Center AZ | Healthcare & Social Assistance | 0 | — | F |
| Diamondback Industrial Finishes FL | Manufacturing | 0 | — | A |
| Diamondback Manufacturing FL | Manufacturing | 0 | — | D |
| Diamondback Marine FL | Manufacturing | 0 | — | F |
| DIAMONDPICK INC. NJ | Professional & Technical Services | 1 | $200,000 | — |
| DiamondRock Sonoma Tenant, LLC CA | — | 0 | — | — |
| Diamonds Edge Restaurant and Marina LLC ME | Accommodation & Food Services | 0 | — | F |
| Diana Broadway LLC (Diana at The Longacre Theatre) NY | — | 0 | — | — |
| Diana's Antiques and Gifts NE | — | 0 | — | — |
| Diana's Mexican Food Products, Inc. CA | Manufacturing | 0 | — | F |
| DIANAMIC ABRASIVE PRODUCTS INC MI | Manufacturing | 0 | — | A |
| Diani Building Corp CA | Construction | 0 | — | F |
| Dianne's Fine Desserts MA | Manufacturing | 0 | — | B |
| Dianne's Fine Desserts MN | Manufacturing | 0 | — | D |
| Dianne's Fine Desserts Inc. VA | — | 0 | — | — |
| DiaPharma Group Inc OH | Wholesale Trade | 0 | — | A |
| DIAS CONCRETE INC VA | Construction | 0 | — | F |
| DiaSorin inc. MN | Manufacturing | 0 | — | C |
| Diasorin Molecular CA | Manufacturing | 0 | — | F |
| Diaspark, Inc. NJ | Professional & Technical Services | 30 | $93,765 | — |
| Diaz Anselmo Lindberg, P.A. IL | — | 0 | — | — |
| Diaz Construction Co., Inc. MA | Construction | 0 | — | A |
| Diaz Disposal LLC PA | Transportation & Warehousing | 0 | — | A |
| Diaz Landscaping Design & Tree Service LLC NJ | Administrative & Waste Services | 0 | — | A |
| Diaz Manufacturing LLC PA | Manufacturing | 0 | — | D |
| Diaz Stone and Pallet Inc PA | Transportation & Warehousing | 0 | — | C |
| Diaz Transport PA | Transportation & Warehousing | 0 | — | A |
| Diaz, Reus, & Targ LLP FL | Professional & Technical Services | 1 | $230,000 | — |
| Dibble & Associates Consulting Engineers, Inc. AZ | Professional & Technical Services | 2 | $107,027 | — |
| Dibble Trucking Inc IL | Transportation & Warehousing | 0 | — | A |
| DIBOCO FIRE SPRINKLERS, INC. NC | Construction | 0 | — | A |
| DIBOLL DENTAL PLLC TX | Healthcare & Social Assistance | 2 | $180,000 | — |
| DICAB Veterinary Management, Inc CA | Professional & Technical Services | 0 | — | A |
| DICALITE MINERALS LLC CA | Manufacturing | 0 | — | B |
| Dicaperl Minerals Corp NV | Manufacturing | 0 | — | A |
| Dicaperl Minerals LLC IN | Manufacturing | 0 | — | A |
| DiCarlo Concrete, Inc. CA | Construction | 0 | — | F |
| DiCarlo Distributors NY | Wholesale Trade | 0 | — | A |
| Dicastal North America MI | Manufacturing | 0 | — | F |
| DICE IT SOLUTIONS LLC. NJ | Professional & Technical Services | 6 | $97,854 | — |
| DICE Resource Holdings LLC MI | Professional & Technical Services | 0 | — | F |
| DICERNA PHARMACEUTICALS, INC. MA | Manufacturing | 6 | $120,880 | — |
| Dicex International TX | Transportation & Warehousing | 0 | — | A |