| Donor Network of Arizona AZ | Healthcare & Social Assistance | 0 | — | A |
| DonorsChoose.org NY | Other Services | 1 | $95,295 | — |
| Donovan Brothers, Inc. WA | Construction | 0 | — | F |
| Donovan Equipment Co. NH | Retail Trade | 0 | — | F |
| Donovan Farmers Co-op Elevator IL | Wholesale Trade | 0 | — | B |
| Donovan Marine MD | Wholesale Trade | 0 | — | A |
| Donovan Marine SC | Wholesale Trade | 0 | — | A |
| Donovan Salvage Works DE | Administrative & Waste Services | 0 | — | C |
| Donovan's Painting & Drywall LLC DE | Construction | 0 | — | A |
| Donray Printing Inc. NJ | Manufacturing | 0 | — | A |
| DONS SPECIALTY MEATS LA | Retail Trade | 0 | — | A |
| Donsco Inc PA | Manufacturing | 0 | — | F |
| Donson Machine IL | Manufacturing | 0 | — | F |
| Donsuemor Incorporated CA | Manufacturing | 0 | — | F |
| Donwell CT | Manufacturing | 0 | — | C |
| Donyati, LLC FL | Professional & Technical Services | 2 | $97,708 | — |
| DOO FNA INC. CA | Wholesale Trade | 0 | — | A |
| Doodad, Inc. NE | Construction | 0 | — | F |
| doodeedee Inc. NY | Professional & Technical Services | 1 | $68,661 | — |
| Doodle Deliveries CA | Transportation & Warehousing | 0 | — | C |
| Doof & Knird, LLC MN | Accommodation & Food Services | 1 | $56,930 | — |
| Dooge Veneers Inc. MI | Wholesale Trade | 0 | — | A |
| Dooley & Kretschman, Inc. NJ | Construction | 0 | — | F |
| Dooley and Mack Constructors of Georgia, Inc. GA | Construction | 0 | — | A |
| Dooley Center Inc. KS | Healthcare & Social Assistance | 0 | — | F |
| Dooley Gasket and Seal, Inc. PA | Manufacturing | 0 | — | A |
| Dooley's Petroleum MN | Wholesale Trade | 0 | — | C |
| DooleyMack Constructors of South Carolina, LLC SC | Construction | 0 | — | A |
| Doolittle Construction LLC WA | Construction | 0 | — | F |
| Doolittle Trailer Mfg MO | Manufacturing | 0 | — | F |
| Dooly County Gin LLC GA | Agriculture & Forestry | 0 | — | A |
| Dooly County School System GA | Educational Services | 1 | $43,471 | — |
| Doonan Specialized Trailer, LLC KS | Manufacturing | 0 | — | F |
| Doone & Bourke CT | Manufacturing | 0 | — | A |
| Door & Millwork Co LLC NV | Construction | 0 | — | A |
| Door Components Inc CA | Manufacturing | 0 | — | F |
| Door Components Inc TX | Manufacturing | 0 | — | A |
| Door Control Inc. NH | Wholesale Trade | 0 | — | F |
| Door Control Sevices - Ben Wheeler TX | Construction | 0 | — | A |
| Door Control Sevices - El Paso TX | Construction | 0 | — | A |
| Door Control Sevices - Harlingen TX | Construction | 0 | — | A |
| Door Control Sevices - Houston TX | Construction | 0 | — | A |
| Door Control Sevices - Lubbock TX | Construction | 0 | — | A |
| Door Control Sevices - San Antonio TX | Construction | 0 | — | A |
| Door Controls USA, Inc. TX | Wholesale Trade | 0 | — | A |
| Door County Coffee & Tea Company WI | Manufacturing | 0 | — | A |
| DOOR COUNTY HARDWARE WI | Retail Trade | 0 | — | A |
| Door Creek Construction of Illinois, LLC IA | Construction | 0 | — | A |
| Door Engineering, a division of Senneca Holdings MN | Manufacturing | 0 | — | F |
| Door Kraft GA | Manufacturing | 0 | — | F |
