| Athens-Hocking Recycling Centers, Inc. OH | Administrative & Waste Services | 0 | — | F |
| ATHEROTECH DIAGNOSTIC LAB AL | — | 0 | — | — |
| Atherton Plumbing OH | Construction | 0 | — | F |
| Athlete's Edge NE | — | 0 | — | — |
| Athletic Brewing Co CA | Manufacturing | 0 | — | F |
| Athletic Brewing Company CT | Manufacturing | 0 | — | B |
| Athletic Training Solutions, LLC OH | Arts & Entertainment | 1 | $80,000 | — |
| Athleticare Sports Health Foundation, Inc MO | Healthcare & Social Assistance | 1 | $43,920 | — |
| Athletico Ltd. IL | Healthcare & Social Assistance | 1 | $80,500 | — |
| Athletics Investment Group LLC CA | — | 0 | — | — |
| ATHLETICS LLC NY | Professional & Technical Services | 1 | $250,000 | — |
| Athlos Academy MN | — | 0 | — | — |
| Athlos Leadership Academy MN | Educational Services | 0 | — | C |
| Athna Facility Services, Inc. - AFSI TX | — | 0 | — | — |
| AtHoc (Division of BlackBerry) CA | Professional & Technical Services | 1 | $123,000 | — |
| ATHREYA, INC. NJ | Professional & Technical Services | 9 | $100,167 | — |
| ATI CA | Manufacturing | 0 | — | F |
| ATI CT | Manufacturing | 0 | — | D |
| ATI OR | Manufacturing | 0 | — | D |
| ATI WI | Manufacturing | 0 | — | C |
| ATI Ag Services, LLC CA | Agriculture & Forestry | 0 | — | D |
| ATI Air Transport Intl Inc. OH | Transportation & Warehousing | 0 | — | A |
| ATI Albany Operations OR | — | 0 | — | — |
| ATI Aviation Services, LLC. OH | Manufacturing | 0 | — | F |
| ATI Career Training Center #130 FL | — | 0 | — | — |
| ATI Career Training Center #135 FL | — | 0 | — | — |
| ATI Career Training Center #140 FL | — | 0 | — | — |
| ATI Career Training Center - N. Richland Hills TX | — | 0 | — | — |
| ATI Career Training Center#275 TX | — | 0 | — | — |
| ATI Corporation PA | Manufacturing | 0 | — | F |
| ATI Flat Rolled Products PA | — | 0 | — | — |
| ATI HOLDINGS, LLC IL | Healthcare & Social Assistance | 17 | $10,240,286 | — |
| ATI Industrial NC | Manufacturing | 0 | — | A |
| ATI Industrial Automation NC | Manufacturing | 0 | — | F |
| ATI Performance Products MD | Manufacturing | 0 | — | F |
| ATI Restoration, LLC TX | Construction | 0 | — | D |
| ATI Restoration, LLC. AZ | Construction | 0 | — | F |
| ATI Restoration, LLC. CA | Construction | 0 | — | F |
| ATI Restoration, LLC. CO | Construction | 0 | — | F |
| ATI Restoration, LLC. CT | Administrative & Waste Services | 0 | — | A |
| ATI Restoration, LLC. DE | Construction | 0 | — | D |
| ATI Restoration, LLC. FL | Construction | 0 | — | F |
| ATI Restoration, LLC. GA | Construction | 0 | — | F |
| ATI Restoration, LLC. IL | Construction | 0 | — | F |
| ATI Restoration, LLC. MA | Construction | 0 | — | D |
| ATI Restoration, LLC. MD | Administrative & Waste Services | 0 | — | D |
| ATI Restoration, LLC. MI | Administrative & Waste Services | 0 | — | A |
| ATI Restoration, LLC. MO | Administrative & Waste Services | 0 | — | A |
| ATI Restoration, LLC. NC | Administrative & Waste Services | 0 | — | B |
| ATI Restoration, LLC. NH | Administrative & Waste Services | 0 | — | F |
