| American Managed Care MS | - | 0 | - | - |
| American Management Association International (NYC) NY | - | 0 | - | - |
| American Management Association International (Saranac Lake) NY | - | 0 | - | - |
| American Management Services (Pinnacle) VA | - | 0 | - | - |
| American Management Services LLC CA | - | 0 | - | - |
| American Maritime Services of NJ, Inc. NJ | Manufacturing | 0 | - | F |
| American Marketing & Publishing, LLC IL | Information & Media | 0 | - | A |
| American Masonry, Inc. MN | Construction | 0 | - | F |
| American Materials Distribution Corp. TX | Wholesale Trade | 1 | $181,688 | - |
| American Meals Inc - Denny's Restaurant CA | - | 0 | - | - |
| American Mechanical Services CA | Construction | 0 | - | F |
| American Mechanical Services CO | Construction | 0 | - | F |
| American Medical Depot FL | - | 0 | - | - |
| American Medical Depot NY | - | 0 | - | - |
| American Medical Depot PA | - | 0 | - | - |
| American Medical Inc. NY | Administrative & Waste Services | 1 | $56,992 | - |
| American Medical Response CA | - | 0 | - | - |
| American Medical Response CO | - | 0 | - | - |
| American Medical Response NH | - | 0 | - | - |
| American Medical Response NY | - | 0 | - | - |
| American Medical Response OH | - | 0 | - | - |
| American Medical Response TN | - | 0 | - | - |
| American Medical Response (Fort Worth#2) TX | - | 0 | - | - |
| American Medical Response / Centrex CA | - | 0 | - | - |
| American Medical Response Mid-Atlantic, Inc. PA | - | 0 | - | - |
| American Medical Response Moses Lake WA | - | 0 | - | - |
| American Medical Response of CA | - | 0 | - | - |
| American Medical Response of Tennessee TN | - | 0 | - | - |
| American Medical Response West CA | - | 0 | - | - |
| American Medical Response West (Amr) CA | - | 0 | - | - |
| American Medical Response West-Non-Emergency Ift CA | - | 0 | - | - |
| American Medical Response, Inc. KY | - | 0 | - | - |
| American Medical Response, Mid-Atlantic Inc. MD | - | 0 | - | - |
| American Medical Response, Pierce County WA | - | 0 | - | - |
| American Medical Supplies, Inc. FL | - | 0 | - | - |
| American Medical Systems MN | - | 0 | - | - |
| American Merchandising Specialists NC | Administrative & Waste Services | 0 | - | F |
| American Millwork LLC IN | Manufacturing | 0 | - | D |
| American Mine Management LLC TX | Mining & Extraction | 1 | $195,000 | - |
| American Mine Services, Inc. OH | - | 0 | - | - |
| American Mitsuba IN | Manufacturing | 0 | - | F |
| American Mitsuba Corporation MI | Manufacturing | 0 | - | F |
| American Modern Insurance Group OH | - | 0 | - | - |
| American Multi­Cinema, Inc. DBA AMC Palm Promenade 24 CA | - | 0 | - | - |
| American Multi-Cinema, Inc. KS | Information & Media | 5 | $125,153 | - |
| American Multi-Cinema, Inc. DBA AMC Metreon 16 CA | - | 0 | - | - |
| American Municipal Power, Inc OH | Utilities | 0 | - | A |
| American Museum of Natural History NY | Arts & Entertainment | 0 | - | B |
| American Music Theatre PA | Arts & Entertainment | 0 | - | C |
| American Muslim Social Services Inc FL | Healthcare & Social Assistance | 1 | $72,000 | - |