| Atwood Electric, Inc. IA | Construction | 0 | — | A |
| ATWOOD FOREST PRODUCTS MI | Manufacturing | 0 | — | F |
| Atwood Lake Resort (Prospera Hospitality) OH | — | 0 | — | — |
| Atwood Mobile Products UT | — | 0 | — | — |
| Atwood Oceanics Management TX | — | 0 | — | — |
| Atwood Timber and Lumber Inc. MI | Agriculture & Forestry | 0 | — | F |
| ATX Environmental Solutions, LLC TX | Construction | 0 | — | A |
| ATX TECHNOLOGY CORP TX | Professional & Technical Services | 1 | $85,821 | — |
| Atyeti, Inc. NJ | Professional & Technical Services | 1 | $125,000 | — |
| Atypon NJ | Information & Media | 0 | — | A |
| ATYPON SYSTEMS, LLC CA | Information & Media | 1 | $258,000 | — |
| ATYPON SYSTEMS, LLC NJ | Information & Media | 1 | $148,191 | — |
| ATZ Logistics Corp NJ | Transportation & Warehousing | 0 | — | C |
| AU Health System, Inc GA | Healthcare & Social Assistance | 0 | — | A |
| AU Health System, Inc SC | Healthcare & Social Assistance | 0 | — | F |
| AU Medical Associates, Inc. GA | Healthcare & Social Assistance | 3 | $361,667 | A |
| AU Medical Center, Inc. GA | Healthcare & Social Assistance | 1 | $60,528 | D |
| Auberge FL | Accommodation & Food Services | 0 | — | A |
| Auberge Du Soleil CA | — | 0 | — | — |
| Aubin Woodworking Inc NH | Manufacturing | 0 | — | F |
| Aubrey Alexander Toyota PA | Retail Trade | 0 | — | A |
| Aubrey Electric Inc WI | Construction | 0 | — | F |
| Auburn Armature, Inc.(Albany) NY | — | 0 | — | — |
| Auburn Armature, Inc.(Auburn) NY | — | 0 | — | — |
| Auburn Armature, Inc.(Cheektowaga) NY | — | 0 | — | — |
| Auburn Armature, Inc.(East Syracuse) NY | — | 0 | — | — |
| Auburn Armature, Inc.(Rochester) NY | — | 0 | — | — |
| Auburn Armature, Inc.(Vestal) NY | — | 0 | — | — |
| Auburn Auto, Inc dba Auburn Toyota CA | — | 0 | — | — |
| Auburn Community Hospital NY | Healthcare & Social Assistance | 1 | $87,360 | F |
| Auburn Concrete MA | Manufacturing | 0 | — | A |
| Auburn Constructors, Inc. CA | Construction | 0 | — | F |
| Auburn Dairy Products, Inc. WA | Manufacturing | 0 | — | F |
| Auburn Electrical Construction Co., Inc. AL | Construction | 0 | — | D |
| Auburn FilterSense LLC MA | Manufacturing | 0 | — | A |
| Auburn Gear IN | Manufacturing | 0 | — | C |
| AUBURN HILLS-2516 MI | Transportation & Warehousing | 0 | — | A |
| Auburn Homes & Services MN | Healthcare & Social Assistance | 0 | — | F |
| Auburn Homes and Services MN | Healthcare & Social Assistance | 0 | — | F |
| AUBURN HOSPITALITY KISS LLC AL | Accommodation & Food Services | 0 | — | A |
| Auburn Limousines, Inc. NY | Transportation & Warehousing | 0 | — | F |
| Auburn Manufacturing, Inc. ME | Manufacturing | 0 | — | D |
| Auburn Metal Processing NY | Wholesale Trade | 0 | — | A |
| Auburn Moving & Storage CA | Transportation & Warehousing | 0 | — | C |
| Auburn Regional Medical Center WA | — | 0 | — | — |
| Auburn School Department ME | Transportation & Warehousing | 0 | — | F |
| Auburn Sheet Metal, Inc. WA | Construction | 0 | — | F |
| Auburn Ski Club, Inc. CA | Arts & Entertainment | 0 | — | F |
| Auburn University AL | Educational Services | 30 | $108,799 | A |
| Auburn University at Montgomery AL | Educational Services | 8 | $84,038 | — |