| Alterra Mountain Company CA | Accommodation & Food Services | 0 | — | F |
| Alterra Mountain Company CO | Accommodation & Food Services | 0 | — | F |
| Alterra Mountain Company VT | Utilities | 0 | — | A |
| Alterra Mountain Company WV | Arts & Entertainment | 0 | — | D |
| Alterstaff Inc. NY | Professional & Technical Services | 1 | $100,000 | — |
| Alterwood Health Management Company, Inc. MD | Healthcare & Social Assistance | 3 | $146,391 | — |
| Alteryx, Inc. CA | Information & Media | 8 | $183,225 | — |
| ALTEXT INC IL | Professional & Technical Services | 10 | $104,696 | — |
| ALTFILLISCH CONTRACTORS, INC. CA | Construction | 0 | — | A |
| Althoff Industries, Inc. IL | Construction | 0 | — | D |
| Althouse Transportation, Inc. PA | Transportation & Warehousing | 0 | — | A |
| Altice NJ | — | 0 | — | — |
| Altice TX | — | 0 | — | — |
| Altice USA (Bethpage) NY | — | 0 | — | — |
| Alticor Inc. CA | — | 0 | — | — |
| Alticor Inc. MI | Manufacturing | 2 | $154,907 | — |
| Altima Healthcare Inc. CA | Healthcare & Social Assistance | 1 | $89,939 | — |
| Altimate Electric, Inc. MD | Construction | 0 | — | F |
| Altimate Inc CA | Professional & Technical Services | 1 | $185,000 | — |
| Altimetrik Corp. MI | Professional & Technical Services | 33 | $120,643 | — |
| Altinex, Inc. CA | Manufacturing | 0 | — | F |
| Altira, Inc. FL | Manufacturing | 0 | — | A |
| Altis Biosystems NC | Professional & Technical Services | 0 | — | A |
| Altisource Solutions, Inc. GA | Professional & Technical Services | 2 | $126,555 | — |
| Altitude Cares, Inc. IN | Professional & Technical Services | 1 | $240,000 | — |
| Altitude Energy Partners, LLC WY | Mining & Extraction | 0 | — | A |
| Altitude Energy, LLC CO | Construction | 0 | — | F |
| ALTITUDE SPORTS & ENTERTAINMENT LLC CO | Information & Media | 0 | — | A |
| Altitude Trampoline Park WI | — | 0 | — | — |
| Altitude Wireless LLC CO | Construction | 0 | — | A |
| Altium Packaging AR | Manufacturing | 0 | — | A |
| Altium Packaging AZ | Manufacturing | 0 | — | A |
| Altium Packaging CA | Manufacturing | 0 | — | C |
| Altium Packaging CO | Manufacturing | 0 | — | A |
| Altium Packaging FL | Manufacturing | 0 | — | D |
| Altium Packaging GA | Manufacturing | 0 | — | A |
| Altium Packaging IL | Manufacturing | 0 | — | A |
| Altium Packaging IN | Manufacturing | 0 | — | F |
| Altium Packaging KS | Manufacturing | 0 | — | F |
| Altium Packaging MA | Manufacturing | 0 | — | C |
| Altium Packaging MD | Manufacturing | 0 | — | B |
| Altium Packaging MS | Manufacturing | 0 | — | A |
| Altium Packaging NC | Manufacturing | 0 | — | C |
| Altium Packaging NH | Manufacturing | 0 | — | A |
| Altium Packaging NJ | Manufacturing | 0 | — | A |
| Altium Packaging NY | Manufacturing | 0 | — | F |
| Altium Packaging OH | Manufacturing | 0 | — | F |
| Altium Packaging PA | Manufacturing | 0 | — | C |
| Altium Packaging TN | Manufacturing | 0 | — | B |
| Altium Packaging TX | Manufacturing | 0 | — | D |