| Altec Industries Inc. OH | Other Services | 0 | — | D |
| Altec Industries Inc. TX | Other Services | 0 | — | A |
| Altec Industries Inc. VA | Manufacturing | 0 | — | A |
| Altec Industries, Inc. MN | Manufacturing | 0 | — | B |
| Altec Manufacturing TX | Manufacturing | 0 | — | F |
| Altec NUECO AL | Manufacturing | 0 | — | A |
| Altec Piping & Construction LLC AL | Construction | 0 | — | A |
| ALTEK INC VA | Professional & Technical Services | 5 | $98,297 | — |
| Alten Technology USA, Inc. CO | Professional & Technical Services | 1 | $93,454 | — |
| Alten Technology USA, Inc. MI | Professional & Technical Services | 17 | $91,084 | — |
| Alten Technology USA, Inc. NC | Professional & Technical Services | 3 | $669,489 | — |
| Altenloh Brinck & Company OH | Manufacturing | 0 | — | D |
| Alter Domus Inc. IL | Finance & Insurance | 1 | $140,000 | — |
| Alter Electric & Construction, Inc CA | Construction | 0 | — | A |
| Alter Trading AR | Wholesale Trade | 0 | — | A |
| Alter Trading IA | Wholesale Trade | 0 | — | B |
| Alter Trading IL | Wholesale Trade | 0 | — | C |
| Alter Trading MN | Wholesale Trade | 0 | — | F |
| Alter Trading MO | Wholesale Trade | 0 | — | A |
| Alter Trading NE | Wholesale Trade | 0 | — | F |
| Alter Trading WI | Wholesale Trade | 0 | — | D |
| Altera Corporation CA | Manufacturing | 28 | $159,812 | — |
| Altera Digital Health Inc. NC | Professional & Technical Services | 17 | $125,092 | — |
| Altera.AI CA | Professional & Technical Services | 1 | $180,000 | — |
| Alterations by Tailor Kim, LLC MS | — | 0 | — | — |
| Altercare Adena OH | — | 0 | — | — |
| Altercare at Saint Joseph, Inc. OH | — | 0 | — | — |
| Altercare of Cuyahoga Falls center of rehabilitation and nursing, INC. OH | Healthcare & Social Assistance | 0 | — | F |
| AlterClinic Animal Care OH | Professional & Technical Services | 0 | — | F |
| Alterman, Inc. - San Antonio, TX TX | Construction | 0 | — | A |
| Alternate Resistance Specialists, LLC CO | Construction | 0 | — | F |
| Alternate Solutions Health Network LLC OH | Healthcare & Social Assistance | 0 | — | F |
| Alternative Business Furniture MN | Manufacturing | 0 | — | A |
| Alternative Choices MI | Healthcare & Social Assistance | 0 | — | F |
| Alternative Design Mfg, Inc. AR | Manufacturing | 0 | — | F |
| Alternative Distribution CA | — | 0 | — | — |
| Alternative Energy Systems CA | Construction | 0 | — | F |
| Alternative Fuels Transportation Inc. NJ | Transportation & Warehousing | 0 | — | A |
| Alternative Health Distribution NC | Wholesale Trade | 0 | — | A |
| ALTERNATIVE HEALTHCARE VENTURES IN AMERICA STAFFING SOLUTIONS LLC NJ | Professional & Technical Services | 1 | $58,157 | — |
| Alternative Home Care Specialists, Inc. LA | — | 0 | — | — |
| Alternative Mechanical MI | Construction | 0 | — | A |
| Alternative Mechanical Contractors Inc. UT | Construction | 0 | — | F |
| Alternative Micrographics Inc NJ | Information & Media | 0 | — | A |
| Alternative Senior Care MN | Healthcare & Social Assistance | 0 | — | F |
| Alternative Staffing (NAC) SC | — | 0 | — | — |
| Alternative Supports, Inc MA | Healthcare & Social Assistance | 0 | — | F |
| Alternatives Medical Clinic CA | Healthcare & Social Assistance | 0 | — | A |
| Alternatives, Inc. MT | Healthcare & Social Assistance | 0 | — | F |
| Alterra Energy OH | Manufacturing | 0 | — | F |