| Amalgamated Sugar Company - Portland OR | Manufacturing | 0 | — | A |
| Amana Farms, Inc. IA | Agriculture & Forestry | 0 | — | A |
| Amana Society Inc. IA | Manufacturing | 0 | — | D |
| Amanda Manufacturing OH | Manufacturing | 0 | — | F |
| Amanda Manufacturing LLC MI | Manufacturing | 1 | $77,792 | — |
| Amani Christian Community Development Corp PA | Healthcare & Social Assistance | 1 | $82,410 | — |
| AMANI INVESTMENT, INC. CA | Real Estate | 1 | $82,000 | — |
| Amano Enzyme U.S.A. Co., Ltd. IL | Wholesale Trade | 0 | — | F |
| AMANO GROUP INC. CA | Retail Trade | 1 | $155,000 | — |
| Amano Pioneer Eclipse NC | Manufacturing | 0 | — | C |
| Amanpreet Sidhu PLLC WA | Healthcare & Social Assistance | 1 | $197,600 | — |
| Amanzi Marble & Granite NC | Manufacturing | 0 | — | A |
| Amapharm LLC PA | Manufacturing | 0 | — | A |
| AMAR Companies, Inc. TX | Finance & Insurance | 1 | $64,397 | — |
| Amar Enterprises CA | Accommodation & Food Services | 0 | — | B |
| AMAR FOODS, INC. CA | Accommodation & Food Services | 0 | — | A |
| Amara WA | Healthcare & Social Assistance | 0 | — | A |
| Amara Hospice, LLC CA | Healthcare & Social Assistance | 0 | — | F |
| Amarak SC | — | 0 | — | — |
| Amaran Senior Living NM | Healthcare & Social Assistance | 0 | — | F |
| Amaranto, Inc. CA | Agriculture & Forestry | 0 | — | A |
| Amarex Clinical Research, LLC MD | Professional & Technical Services | 1 | $138,630 | — |
| AMARGOZA CA | Agriculture & Forestry | 0 | — | F |
| Amarillo Cotton Warehouse, L.P. TX | Transportation & Warehousing | 0 | — | A |
| Amarillo Diagnostic Clinic TX | Healthcare & Social Assistance | 0 | — | A |
| Amarillo Endodontics, LLP TX | Healthcare & Social Assistance | 1 | $312,000 | — |
| Amarillo Gear Company TX | Manufacturing | 0 | — | F |
| Amarillo II Enterprises LLC TX | Healthcare & Social Assistance | 0 | — | D |
| Amarillo IV Enterprises TX | Healthcare & Social Assistance | 0 | — | A |
| Amarillo Surgical Operating Company LLC TX | Healthcare & Social Assistance | 0 | — | A |
| Amarillo Thermo King TX | Other Services | 0 | — | F |
| Amarillo VI Enterprises LLC TX | Healthcare & Social Assistance | 0 | — | F |
| Amarillo VII Enterprises LLC TX | Healthcare & Social Assistance | 0 | — | F |
| Amarin Pharma Inc. NJ | Manufacturing | 1 | $199,189 | A |
| Amarr KS | Manufacturing | 0 | — | A |
| Amarr Company FL | Wholesale Trade | 0 | — | F |
| Amarr Company NC | Management of Companies | 0 | — | A |
| Amarr Company NJ | Wholesale Trade | 0 | — | F |
| AMAS Incorporated MN | Healthcare & Social Assistance | 0 | — | F |
| Amason & Associates, Inc. AL | Construction | 0 | — | A |
| AMASS GLOBAL NETWORK (US) INC. CA | Transportation & Warehousing | 1 | $52,707 | — |
| Amatech Inc. PA | Manufacturing | 0 | — | F |
| AMATO INDUSTRIES, INC. CA | Transportation & Warehousing | 0 | — | C |
| Amato's NE | — | 0 | — | — |
| Amatrol, Inc. IN | Manufacturing | 0 | — | B |
| Amax Engineering Corporation CA | Manufacturing | 7 | $120,586 | — |
| Amay Jewlery Designs MS | — | 0 | — | — |
| Amay's Bakery & Noodle Co., Inc. CA | Manufacturing | 0 | — | A |
| Amaya Solutions Inc DBA: American Water Chemicals FL | Wholesale Trade | 0 | — | C |
| Amaya Springs Healthcare CA | Healthcare & Social Assistance | 0 | — | F |