| Alto Pharmacy CO | Retail Trade | 0 | — | A |
| Alto Pharmacy NV | Retail Trade | 0 | — | A |
| Alto Pharmacy NY | Retail Trade | 0 | — | A |
| Alto Pharmacy TX | Retail Trade | 0 | — | A |
| Alto Pharmacy WA | Retail Trade | 0 | — | A |
| Alto Pharmacy, LLC CA | Retail Trade | 1 | $180,000 | C |
| Alto Products Corp AL | Manufacturing | 0 | — | F |
| Alto Shaam Inc WI | Manufacturing | 0 | — | F |
| Alto Systems CA | — | 0 | — | — |
| Alto USA, LLC FL | Administrative & Waste Services | 1 | $77,000 | — |
| Alto-Shaam WI | Manufacturing | 0 | — | B |
| Altom Transport, Inc. IN | Transportation & Warehousing | 0 | — | A |
| Altom Transport, Inc. LA | Transportation & Warehousing | 0 | — | F |
| Altom Transport, Inc. MI | Wholesale Trade | 0 | — | A |
| Altom Transport, Inc. TX | Transportation & Warehousing | 0 | — | A |
| Altomni Corp. CA | Professional & Technical Services | 1 | $146,307 | — |
| Alton Aviation Consultancy LLC NY | Professional & Technical Services | 3 | $96,202 | — |
| Alton Building Materials, Inc. NH | Retail Trade | 0 | — | A |
| Alton Community Unit School District No 11 IL | Educational Services | 0 | — | F |
| Alton Manufacturing Inc NY | Manufacturing | 0 | — | D |
| Alton Memorial Hospital IL | Healthcare & Social Assistance | 0 | — | F |
| Alton NH LLC IL | Healthcare & Social Assistance | 0 | — | D |
| Alton Nursing and rehab IL | Healthcare & Social Assistance | 0 | — | A |
| ALTON ROOFING SERVICES LLC FL | Construction | 0 | — | A |
| Alton Steel IL | Manufacturing | 0 | — | D |
| Altony's Italian Cafe MN | — | 0 | — | — |
| ALTOONA HEALTH & REHAB INC AL | Healthcare & Social Assistance | 0 | — | F |
| Altoona Pipe and Steel PA | Wholesale Trade | 0 | — | D |
| Altor Solutions SC | Manufacturing | 0 | — | A |
| Altorfer Inc. IA | Other Services | 0 | — | C |
| Altorfer Inc. IL | Manufacturing | 0 | — | C |
| Altorfer Inc. MO | Other Services | 0 | — | A |
| Altorfer Industries, Inc. IL | Other Services | 0 | — | B |
| Altorfer Industries, Inc. IN | Other Services | 0 | — | D |
| Altos Labs Inc. CA | Professional & Technical Services | 2 | $184,000 | — |
| Altounian Contruction, Inc. IL | Construction | 0 | — | A |
| Altour Delaware, LLC CA | Administrative & Waste Services | 0 | — | A |
| ALTPLUS LLC GA | Professional & Technical Services | 8 | $90,749 | — |
| Altra Industrial Motion MI | Manufacturing | 0 | — | A |
| Altra Industrial Motion NC | Manufacturing | 0 | — | F |
| ALTRA INDUSTRIAL MOTION PA | Manufacturing | 0 | — | B |
| Altra Industrial Motion Corp IL | Manufacturing | 0 | — | A |
| Altra Lawncare & Landscaping Services, Inc. MD | Administrative & Waste Services | 0 | — | A |
| Altra Motion CT | Manufacturing | 0 | — | F |
| Altres HI | Administrative & Waste Services | 0 | — | F |
| Altres Inc. 2885DH MANAGEMENT LLC HI | Accommodation & Food Services | 0 | — | F |
| Altres Inc. 7C S MAINTENANCE COMPANY, INC. HI | Accommodation & Food Services | 0 | — | F |
| Altres Inc. AALA MEAT SEAFOOD INC. HI | Wholesale Trade | 0 | — | A |
| Altres Inc. ADMOR HVAC PRODUCTS, INC. HI | Construction | 0 | — | F |
| Altres Inc. ALOHA HOUSE, INC. HI | Healthcare & Social Assistance | 0 | — | F |
