| Ada's Lodges CA | Healthcare & Social Assistance | 0 | — | F |
| ADAC Automotive MI | Manufacturing | 0 | — | D |
| ADAC Plastics, Inc. MI | Manufacturing | 0 | — | C |
| ADAEQUARE INC VA | Professional & Technical Services | 50 | $106,389 | — |
| Adah Enterprises, Inc. AL | Professional & Technical Services | 2 | $74,060 | — |
| Adaiam Inc TX | Professional & Technical Services | 1 | $83,866 | — |
| Adair County Ambulance Service Taxing District KY | Healthcare & Social Assistance | 0 | — | A |
| Adair County Hospital District- Westlake Regional Hospital KY | — | 0 | — | — |
| Adair Homes, Inc AZ | Construction | 0 | — | A |
| Adair Homes, Inc ID | Construction | 0 | — | A |
| Adair Homes, Inc OR | Construction | 0 | — | A |
| Adair Homes, Inc WA | Construction | 0 | — | A |
| Adalet OH | Manufacturing | 0 | — | F |
| ADALITEK GROUP LLC TX | Professional & Technical Services | 14 | $149,984 | — |
| Adallen Nutrition Inc NJ | Other Services | 1 | $61,797 | — |
| Adam & Eve Inc. NY | Professional & Technical Services | 1 | $270,000 | — |
| Adam Blackman Medicine, Inc. CA | Healthcare & Social Assistance | 1 | $245,440 | — |
| Adam Bros. Farming, Inc. CA | Agriculture & Forestry | 0 | — | B |
| Adam Information Technologies, LLC WI | Professional & Technical Services | 2 | $113,464 | — |
| Adam Matthews Baking Co LLC KY | Manufacturing | 0 | — | A |
| Adam Michael Jewelry NE | — | 0 | — | — |
| Adam Roe Painting, Inc. ID | Construction | 0 | — | F |
| Adam Vaillancourt Roofing NH | Construction | 0 | — | F |
| ADAMA GA | Manufacturing | 0 | — | C |
| Adamah, LLC NM | Construction | 0 | — | A |
| Adamantine Spine Moving Inc IA | Transportation & Warehousing | 0 | — | F |
| Adamas Pharmaceuticals Inc. CA | — | 0 | — | — |
| ADAME LANDSCAPE INC. CA | Administrative & Waste Services | 0 | — | F |
| Adamik Electric LLC NV | Construction | 0 | — | A |
| Adamo Demolition Co. MI | Construction | 0 | — | A |
| Adamo Group MI | Construction | 0 | — | A |
| Adams Hearth & Home, LLC IN | Construction | 0 | — | F |
| Adams & Beasley Inc MA | Construction | 0 | — | A |
| Adams & Brooks Inc. CA | Manufacturing | 0 | — | A |
| Adams & Knight, Inc. CT | Professional & Technical Services | 1 | $196,539 | — |
| Adams Air & Hydraulics, Inc FL | Wholesale Trade | 1 | $72,100 | — |
| Adams an Oldcastle company NC | Manufacturing | 0 | — | A |
| Adams an Oldcastle Company SC | Manufacturing | 0 | — | A |
| Adams Area Ambulance Service MN | Healthcare & Social Assistance | 0 | — | A |
| Adams Bros Cabinetry dba Adams Group FL | Manufacturing | 0 | — | F |
| Adams County IA | Transportation & Warehousing | 0 | — | F |
| ADAMS COUNTY MANOR OH | Healthcare & Social Assistance | 0 | — | F |
| Adams County Memorial Hospital IN | Healthcare & Social Assistance | 0 | — | F |
| Adams County Nursery Inc PA | Agriculture & Forestry | 0 | — | B |
| Adams County Nursing Center MS | Healthcare & Social Assistance | 0 | — | A |
| Adams County Public Hospital District #2, DBA East Adams Rural Healthcare WA | — | 0 | — | — |
| ADAMS COUNTY REGIONAL MEDICAL CENTER OH | Healthcare & Social Assistance | 2 | $164,372 | — |
| Adams County School District 14 CO | Educational Services | 1 | $56,699 | — |
| Adams County Senior Services NE | — | 0 | — | — |
| Adams Electric Company NC | Construction | 0 | — | A |
