| Don Beyer Motors, Inc VA | Retail Trade | 0 | - | A |
| Don CeSar Hotel FL | - | 0 | - | - |
| Don Coleman Advertising, Inc. d/b/a GlobalHue NY | - | 0 | - | - |
| Don Julio MN | - | 0 | - | - |
| Don Lee Distributors Inc. MI | Wholesale Trade | 0 | - | F |
| Don Miguel Foods TX | Manufacturing | 0 | - | C |
| Don Oppliger Companies TX | Agriculture & Forestry | 0 | - | F |
| Don Pablos MN | - | 0 | - | - |
| Don Papi Chulo MN | - | 0 | - | - |
| Don Quijote (USA) CO LTD HI | Retail Trade | 0 | - | D |
| Don Sanderson Ford Inc AZ | Retail Trade | 0 | - | D |
| DON Services PA | Healthcare & Social Assistance | 0 | - | C |
| Don Thomas Buses, Inc. NY | - | 0 | - | - |
| Don Wood Inc FL | Manufacturing | 1 | $75,000 | - |
| Don's Cold Storage and Transportation MO | Transportation & Warehousing | 0 | - | A |
| Don's Mobile Glass, Inc. CA | Retail Trade | 0 | - | F |
| Donald A. Heald Rare Books & Fine Art NY | - | 1 | $95,000 | - |
| Donald B Remmey Inc PA | Manufacturing | 0 | - | F |
| Donald B. Rice Tire Co., Inc. MD | Wholesale Trade | 0 | - | F |
| Donald Bremmey INC PA | Manufacturing | 0 | - | F |
| Donald Danforth Plant Science Center MO | Professional & Technical Services | 8 | $63,942 | - |
| Donald L Dillon DDS CA | - | 0 | - | - |
| Donaldson Company IL | Manufacturing | 0 | - | D |
| Donaldson Company Inc. MO | Manufacturing | 0 | - | F |
| Donaldson Company, Inc KY | Manufacturing | 0 | - | F |
| Donaldson Company, Inc. IN | Manufacturing | 0 | - | F |
| Donaldson Company, Inc. WI | Manufacturing | 0 | - | F |
| Donaldson Company, Inc. MN | - | 1 | $109,283 | - |
| Donaldson Filtration Solutions IA | - | 0 | - | - |
| Donaldson Organization NY | Construction | 0 | - | F |
| Donaldsons Inc. NY | - | 0 | - | - |
| Donalsonville Hospital INC GA | Healthcare & Social Assistance | 3 | $59,523 | F |
| Donato Technologies INC TX | Professional & Technical Services | 61 | $112,923 | - |
| Donato USA INC CO | Professional & Technical Services | 1 | $115,000 | - |
| Doncasters Group Ltd AL | Manufacturing | 0 | - | F |
| Doncasters Precision Castings CT | Manufacturing | 0 | - | F |
| Dondlinger & Sons Construction Co. Inc. KS | Construction | 0 | - | F |
| Done Service Group Inc CO | Construction | 0 | - | F |
| Donegal Mutual Insurance Company PA | - | 2 | $120,000 | - |
| Donegal Office Solutions, Inc. PA | Construction | 9 | $110,542 | - |
| Dong Car Inc. CA | - | 1 | $95,988 | - |
| Dongbu Tour & Travel Inc. NJ | - | 1 | $61,797 | - |
| Dongguk University Los Angeles CA | Educational Services | 7 | $59,378 | - |
| Dongli Art LLC CA | Professional & Technical Services | 1 | $95,680 | - |
| Dongwon Autopart Technology Alabama LLC AL | Manufacturing | 0 | - | F |
| Donna Bella Farms llc. PA | Agriculture & Forestry | 0 | - | F |
| Donna Independent School District TX | - | 1 | $60,000 | - |
| Donna Medical Clinic, PLLC TX | - | 1 | $242,000 | - |
| Donnelley Financial LLC PA | Information & Media | 3 | $145,454 | - |
| Donnelley Financial Solutions (DFIN) NJ | - | 0 | - | - |
