| American Tire Distributors, Inc. PA | Wholesale Trade | 0 | — | D |
| American Tire Distributors, Inc. SC | Wholesale Trade | 0 | — | D |
| American Tire Distributors, Inc. SD | Wholesale Trade | 0 | — | B |
| American Tire Distributors, Inc. TN | Wholesale Trade | 0 | — | F |
| American Tire Distributors, Inc. TX | Wholesale Trade | 0 | — | D |
| American Tire Distributors, Inc. UT | Wholesale Trade | 0 | — | F |
| American Tire Distributors, Inc. VA | Wholesale Trade | 0 | — | B |
| American Tire Distributors, Inc. WA | Wholesale Trade | 0 | — | F |
| American Tire Distributors, Inc. WI | Wholesale Trade | 0 | — | F |
| American Tire Distributors, Inc. WV | Wholesale Trade | 0 | — | D |
| American Tire Distributors, Inc. WY | Wholesale Trade | 0 | — | A |
| American Tire Recycling, LLC CA | Manufacturing | 0 | — | F |
| American Tokyo Kasei Inc. OR | Wholesale Trade | 0 | — | A |
| American Tombow, Inc GA | Wholesale Trade | 0 | — | A |
| AMERICAN TOOL & ENGINEERING, INC. IA | Manufacturing | 0 | — | F |
| American Tool Company RI | Manufacturing | 0 | — | A |
| American Tooling Center MI | Manufacturing | 0 | — | F |
| American Tooling Center- Lansing MI | Manufacturing | 0 | — | F |
| American Torch Tip Company FL | Wholesale Trade | 1 | $102,953 | — |
| American Tower Corporation CA | Construction | 0 | — | A |
| American Tower Corporation DC | Construction | 0 | — | A |
| American Tower Corporation FL | Construction | 0 | — | A |
| American Tower Corporation GA | Construction | 0 | — | A |
| American Tower Corporation IL | Construction | 0 | — | A |
| AMERICAN TOWER CORPORATION MA | Information & Media | 2 | $152,772 | A |
| American Tower Corporation NC | Construction | 0 | — | A |
| American Tower Corporation NV | Construction | 0 | — | A |
| American Tower Corporation TX | Construction | 0 | — | A |
| AMERICAN TOWING & RECOVERY INC CA | Other Services | 0 | — | A |
| American Track Generations, LLC. TX | Construction | 0 | — | C |
| American Traction Systems FL | Manufacturing | 0 | — | A |
| American Traditions Insurance Company FL | Finance & Insurance | 0 | — | A |
| American Trailer Rental Group IN | Real Estate | 0 | — | A |
| American Trailer Rental Group KS | Real Estate | 0 | — | A |
| American Trailer Rental Group KY | Real Estate | 0 | — | F |
| American Trailer Rental Group PA | Real Estate | 0 | — | F |
| American Trailer Rental Group, LLC NC | Real Estate | 0 | — | F |
| American Training, Inc. MA | Healthcare & Social Assistance | 0 | — | F |
| American Transport Services LLC GA | Healthcare & Social Assistance | 0 | — | A |
| American Trash Management, Inc. CA | Professional & Technical Services | 1 | $94,786 | — |
| 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 |