| American Trim OH | Manufacturing | 0 | — | D |
| AMERICAN TRUCK & TRAILER BODY CO., INC. CA | Manufacturing | 0 | — | F |
| American Truck Bodies & Repair CA | Manufacturing | 0 | — | F |
| American Trucking Services, Inc. NY | Transportation & Warehousing | 0 | — | A |
| American True Merit LLC MA | Construction | 0 | — | A |
| AMERICAN TRUETZSCHLER INC NC | Manufacturing | 0 | — | D |
| American Truss LLC TX | Manufacturing | 0 | — | A |
| American Trüetzschler Inc. NC | Manufacturing | 0 | — | D |
| American Tubing Arkansas LLC AR | Manufacturing | 0 | — | F |
| American Tubing International AR | Manufacturing | 0 | — | F |
| American Turned Products, Inc PA | Manufacturing | 0 | — | D |
| American TV & Appliance of Mad IA | — | 0 | — | — |
| American Type Culture Collection (ATCC) VA | Professional & Technical Services | 0 | — | F |
| American Unit, Inc TX | Professional & Technical Services | 23 | $105,371 | — |
| American University DC | Educational Services | 11 | $93,845 | — |
| American University of Beirut NY | Educational Services | 1 | $103,263 | — |
| American University Partners LLC CA | Educational Services | 1 | $87,360 | — |
| AMERICAN URETHANE A DIVISION OF MEARTHANE PRODUCTS, LLC. MD | Manufacturing | 0 | — | A |
| AMERICAN URETHANE INC. MD | Manufacturing | 0 | — | A |
| American Valve and Hydrant TX | Manufacturing | 0 | — | F |
| American Vending Sales, Inc. IL | Wholesale Trade | 0 | — | C |
| American Venture Industrial KY | Manufacturing | 0 | — | A |
| American Veteran Contracting Solutions, LLC OK | Manufacturing | 0 | — | F |
| American Veteran Solutions, Inc NV | Transportation & Warehousing | 0 | — | A |
| American Vinyl Company FL | Manufacturing | 0 | — | A |
| American Vulkan Corporation FL | Manufacturing | 0 | — | A |
| American Waar, Inc. NJ | Other Services | 0 | — | F |
| American Wagering, Inc. NV | Arts & Entertainment | 2 | $149,495 | — |
| American Warehouse CO | Transportation & Warehousing | 0 | — | A |
| American Waste Transfer Systems, LLC NY | Administrative & Waste Services | 0 | — | A |
| American Water AL | Utilities | 0 | — | A |
| American Water FL | Utilities | 0 | — | A |
| American Water IL | Utilities | 0 | — | A |
| American Water KS | Utilities | 0 | — | F |
| American Water LA | Utilities | 0 | — | A |
| American Water MD | Utilities | 0 | — | A |
| American Water MO | Utilities | 0 | — | F |
| American Water NJ | Utilities | 0 | — | A |
| American Water NY | Utilities | 0 | — | A |
| American Water OH | Utilities | 0 | — | A |
| American Water OK | Utilities | 0 | — | A |
| American WAter TX | Utilities | 0 | — | D |
| American Water UT | Utilities | 0 | — | A |
| American Water VA | Utilities | 0 | — | F |
| American Water WA | Utilities | 0 | — | A |
| American Water Operations & Maintenance LLC CA | Utilities | 0 | — | A |
| American Water Resources, LLC IL | Utilities | 4 | $137,500 | — |
| American Water Services CDM WA | Utilities | 0 | — | A |
| American Water Works TN | Utilities | 0 | — | D |
| American Water Works Company NJ | Utilities | 0 | — | F |
