| American Express Global Billing Services FL | — | 0 | — | — |
| American Express Global Business Travel NE | — | 0 | — | — |
| American Express National Bank NY | Finance & Insurance | 4 | $163,149 | — |
| American Express Travel Related Services Company, Inc. NY | Finance & Insurance | 325 | $158,870 | — |
| American Extrusion Company TX | Manufacturing | 0 | — | F |
| American Fabricated Products MI | Manufacturing | 0 | — | F |
| American Fabrication,Inc. ID | Manufacturing | 0 | — | F |
| AMERICAN FAMILY LIFE ASSURANCE COMPANY OF COLUMBUS (AFLAC) GA | Finance & Insurance | 11 | $136,973 | — |
| American Family Mutual Insurance OH | — | 0 | — | — |
| American Family Mutual Insurance Company, S.I. WI | Finance & Insurance | 32 | $135,952 | — |
| AMERICAN FARMS LLC FL | Wholesale Trade | 0 | — | B |
| American Fast Freight Inc AK | Transportation & Warehousing | 0 | — | F |
| American Fast Freight Inc WA | Transportation & Warehousing | 0 | — | C |
| American Felt & Filter Company, Inc. NY | Manufacturing | 0 | — | A |
| American Fence NC | Construction | 0 | — | A |
| American Fence & Supply Co., Inc. MI | Manufacturing | 0 | — | A |
| American Fence Co of Sioux City, Inc IA | Construction | 0 | — | A |
| American Fence Company NE | Construction | 0 | — | F |
| American Fence Company of Minnesota MN | Construction | 0 | — | F |
| American Fence Company of Arizona, Inc. AZ | Construction | 0 | — | C |
| American Fence Company of Iowa, Inc. IA | Construction | 0 | — | F |
| American Fence Company of Lincoln, Inc NE | Construction | 0 | — | F |
| American Fence Company of New Mexico, Inc. NM | Construction | 0 | — | A |
| American Fence Company, Inc. CA | Construction | 0 | — | F |
| American Fence Company, Inc. CO | Construction | 0 | — | F |
| American Fence Company, Inc. FL | Construction | 0 | — | A |
| American Fence Company, Inc. KS | Construction | 0 | — | A |
| American Fence Company, Inc. NV | Construction | 0 | — | A |
| American Fence Company, Inc. TX | Construction | 0 | — | F |
| American Fence Company, Inc. UT | Construction | 0 | — | F |
| American Fibertech Corporation IN | Manufacturing | 0 | — | F |
| American Fibertech Corporation PA | Manufacturing | 0 | — | F |
| AMERICAN FIBROBLAST ACADEMY LLC CO | Educational Services | 1 | $57,782 | — |
| American Fidelity Assurance Company OK | Finance & Insurance | 3 | $109,837 | — |
| American Field Service Corporation MS | Construction | 0 | — | F |
| American Film & Printing TX | Manufacturing | 0 | — | F |
| American Filtration Technologies, Inc. NY | Manufacturing | 0 | — | A |
| American Financial Group, Great American Insurance Company OH | Finance & Insurance | 17 | $137,573 | — |
| American Financing Company CO | — | 0 | — | — |
| American Fire Glass, Inc. CA | Manufacturing | 0 | — | A |
| American Fire Protection Group MN | Construction | 0 | — | C |
| American Fire Sprinkler Corporation KS | Construction | 0 | — | F |
| American Fire Sprinkler Services, LLC FL | Construction | 0 | — | D |
| American Fire Systems TX | Construction | 0 | — | B |
| American Fittings Corp. NJ | Manufacturing | 0 | — | A |
| American Flexpack WI | Administrative & Waste Services | 0 | — | A |
| AMERICAN FLOORCOVERING, INC CT | Retail Trade | 0 | — | A |
| American Flooring LLC PA | Manufacturing | 0 | — | F |
| American Floors & Blinds WA | Retail Trade | 0 | — | A |
| American Flux & Metal LLC NJ | Manufacturing | 0 | — | F |