| American House - Oak Park IL | Healthcare & Social Assistance | 0 | — | A |
| American House - Shallowford TN | Healthcare & Social Assistance | 0 | — | A |
| American House - St. Petersburg FL | Healthcare & Social Assistance | 0 | — | D |
| American House - Village @ Bloomfield MI | Healthcare & Social Assistance | 0 | — | A |
| American House - West Knoxville TN | Healthcare & Social Assistance | 0 | — | F |
| American House Bartlett TN | Healthcare & Social Assistance | 0 | — | F |
| American House Petoskey MI | Healthcare & Social Assistance | 0 | — | A |
| American Houston Group LTD TX | Wholesale Trade | 0 | — | D |
| American HOWA KY | Manufacturing | 0 | — | A |
| American HOWA MS | Manufacturing | 0 | — | A |
| American HOWA OH | Manufacturing | 0 | — | A |
| American Howa Kentucky KY | Manufacturing | 0 | — | F |
| American Howa Kentucky MS | Manufacturing | 0 | — | A |
| American Howa Kentucky OH | Manufacturing | 0 | — | A |
| American Hydro Corporation PA | Manufacturing | 0 | — | C |
| American Hydrostatics Distribution, Inc. MI | Other Services | 2 | $107,139 | — |
| American Igloo Builders, Inc. IL | Construction | 0 | — | F |
| American Image Marketing Inc ID | Wholesale Trade | 0 | — | A |
| American Implement, Inc. CO | Wholesale Trade | 0 | — | A |
| American Implement, Inc. KS | Wholesale Trade | 0 | — | C |
| American Incorporated CA | Construction | 0 | — | D |
| American Industrial Brands AR | Manufacturing | 0 | — | F |
| American Industrial Door OR | Construction | 0 | — | F |
| American Industrial Partners MI | Manufacturing | 0 | — | D |
| American Industrial Transport MO | Transportation & Warehousing | 0 | — | A |
| American Industrial Transport MS | Manufacturing | 0 | — | A |
| American Industrial Transport TX | Transportation & Warehousing | 0 | — | C |
| AMERICAN INFOSYS,INC VA | Professional & Technical Services | 3 | $102,413 | — |
| American Innotek Inc. CA | Manufacturing | 0 | — | F |
| AMERICAN INNOVATIVE PRODUCTS INC CA | Manufacturing | 0 | — | A |
| American Innovative Technologies Corp NJ | Professional & Technical Services | 12 | $105,992 | — |
| American Institute of Research IL | — | 0 | — | — |
| American Institute of Research ("AIR") MA | — | 0 | — | — |
| American Institutes for Research VA | Professional & Technical Services | 10 | $135,838 | — |
| American Institutes of Research ("AIR") MA | — | 0 | — | — |
| American Institutes of Research (AIR) MD | — | 0 | — | — |
| American Institutes of Research (AIR) NC | — | 0 | — | — |
| American Institutes of Research (AIR) VA | — | 0 | — | — |
| American Insulated Glass Co Inc AL | Wholesale Trade | 0 | — | F |
| American Insulated Glass Co Inc FL | Wholesale Trade | 0 | — | F |
| American Insulated Glass Co Inc GA | Manufacturing | 0 | — | F |
| American Insulated Glass Co Inc MD | Wholesale Trade | 0 | — | D |
| American Insulated Glass Co Inc MI | Wholesale Trade | 0 | — | A |
| American Insulated Glass Co Inc NH | Wholesale Trade | 0 | — | D |
| American Insulated Glass Co Inc TN | Wholesale Trade | 0 | — | B |
| American Insulated Glass LLC NC | Wholesale Trade | 0 | — | A |
| American Insulated Panel Company, LLC MA | Manufacturing | 0 | — | F |
| American Insulation & Energy Services, LLC AL | Construction | 0 | — | A |
| American Integrated Resources, Inc. CA | Administrative & Waste Services | 0 | — | A |
| American Integrated Services Inc. CA | Administrative & Waste Services | 0 | — | A |