| Acutec Precision Aerospace, Inc. PA | Manufacturing | 0 | — | F |
| Acutran PA | Manufacturing | 0 | — | A |
| Acutus Medical CA | Manufacturing | 0 | — | C |
| ACUUM INC. AZ | Professional & Technical Services | 1 | $180,000 | — |
| ACV Auctions Inc. FL | Wholesale Trade | 0 | — | A |
| ACV Auctions Inc. IL | Wholesale Trade | 0 | — | A |
| ACV Auctions Inc. NY | Wholesale Trade | 3 | $83,096 | B |
| ACV Auctions Inc. OH | Wholesale Trade | 0 | — | A |
| ACV Environmental Services Inc MA | Administrative & Waste Services | 0 | — | A |
| ACV Environmental Services Inc MD | Administrative & Waste Services | 0 | — | B |
| ACV Environmental Services Inc ME | Administrative & Waste Services | 0 | — | A |
| ACV Environmental Services Inc NH | Administrative & Waste Services | 0 | — | A |
| ACV Environmental Services Inc NJ | Administrative & Waste Services | 0 | — | A |
| ACV Environmental Services Inc NY | Administrative & Waste Services | 0 | — | A |
| ACV Environmental Services Inc PA | Administrative & Waste Services | 0 | — | D |
| ACV Environmental Services Inc RI | Administrative & Waste Services | 0 | — | A |
| ACV Environmental Services, Inc CT | Administrative & Waste Services | 0 | — | F |
| ACV Environmental Services, Inc IN | Administrative & Waste Services | 0 | — | A |
| ACV Environmental Services, Inc VT | Administrative & Waste Services | 0 | — | A |
| ACV Logistics LLC CA | Transportation & Warehousing | 0 | — | A |
| ACW Construction UT | Construction | 0 | — | A |
| ACW Inc. OR | Agriculture & Forestry | 0 | — | C |
| Acxhange AZ | Professional & Technical Services | 1 | $96,700 | — |
| Acxiom LLC AR | Information & Media | 4 | $143,037 | — |
| Ad CO | Transportation & Warehousing | 0 | — | A |
| AD Direct CA | Wholesale Trade | 0 | — | F |
| Ad Energy LLC NJ | Construction | 0 | — | F |
| Ad Graphics LLC FL | Professional & Technical Services | 0 | — | F |
| AD Hawk Inc. NV | Manufacturing | 0 | — | F |
| AD IN INC CA | Construction | 0 | — | F |
| AD Innovation LLC ID | Wholesale Trade | 0 | — | F |
| Ad Lib Restaurant, LLC NV | Accommodation & Food Services | 0 | — | A |
| AD Roofing LLC WI | Construction | 0 | — | A |
| Ad Ventures 2, Inc. MO | Professional & Technical Services | 1 | $190,000 | — |
| Ad Victoriam Solutions, LLC GA | Professional & Technical Services | 2 | $89,247 | — |
| AD Waters (USA), Inc. AZ | Wholesale Trade | 0 | — | F |
| Ad-A-Day Company Inc. MA | Manufacturing | 0 | — | F |
| AD-LER ROOFING, INC FL | Construction | 0 | — | F |
| Ad-Tech Industries, Inc WI | Manufacturing | 0 | — | F |
| Ad-Tech Medical Instrument Corporation WI | Manufacturing | 0 | — | A |
| Ad-Vance Magnetics, Inc. IN | Manufacturing | 0 | — | F |
| AD1 Global FL | Administrative & Waste Services | 0 | — | A |
| ADA Carbon Solutions (Red River), LLC/ Arq Soluitions. Inc LA | Manufacturing | 0 | — | B |
| Ada Care Center OK | Healthcare & Social Assistance | 0 | — | F |
| ADA County Highway District ID | Public Administration | 1 | $86,486 | — |
| ADA Harvesting, LLC GA | Agriculture & Forestry | 0 | — | B |
| ADA METAL PRODUCTS INC IL | Manufacturing | 0 | — | F |
| ADA Solutions, LLC OH | Wholesale Trade | 0 | — | A |
| Ada Technologies, Inc. OH | Manufacturing | 0 | — | A |
| Ada Valley Meat Company Inc. MI | Wholesale Trade | 0 | — | F |
