| Magrathea Metals Inc. CA | Manufacturing | 1 | $170,000 | — |
| Magretech OH | Manufacturing | 0 | — | F |
| Magruder Paving, LLC MO | Construction | 0 | — | F |
| MAGS Trucking, Inc AR | Transportation & Warehousing | 0 | — | A |
| Magstone Law, LLP CA | Professional & Technical Services | 1 | $81,000 | — |
| Magstone, LLC MD | Construction | 0 | — | A |
| Magswitch Automation Company CO | Manufacturing | 2 | $202,093 | — |
| MAGTECH CONSULTING AND SOLUTIONS DEVELOPMENT CORPORATION NJ | Professional & Technical Services | 26 | $7,394,479 | — |
| Magtrol, Inc. NY | Manufacturing | 0 | — | A |
| Magu Ranch Partnership CA | — | 0 | — | — |
| Maguire Company MA | Construction | 0 | — | F |
| Maguire Iron SD | Construction | 0 | — | F |
| Maguire O'Hara Construction, Inc. OK | Construction | 0 | — | F |
| Magura USA IL | Wholesale Trade | 0 | — | A |
| MAGY Staffing LLC OH | — | 0 | — | — |
| MAH Machine Co., Inc. IL | Manufacturing | 0 | — | F |
| Mahalo Heating and Air Conditioning, LLC OR | Construction | 0 | — | F |
| MAHAMAN USA, LLC FL | Real Estate | 2 | $99,549 | — |
| Mahan Gin Co. LLC MO | Agriculture & Forestry | 0 | — | A |
| Mahan Rykiel Associates, Inc. MD | Professional & Technical Services | 2 | $75,165 | — |
| Mahan Slate Roofing Co., Inc. MA | Construction | 0 | — | A |
| Mahana Spa, LLC NV | — | 0 | — | — |
| Mahaney Group Inc. KS | Construction | 0 | — | F |
| Mahaney Steel KS | Construction | 0 | — | F |
| MAHANTAM RX INC NY | Retail Trade | 1 | $85,000 | — |
| Mahantango Enterprises, Inc. PA | Wholesale Trade | 0 | — | B |
| MAHANTECH CORPORATION WV | Professional & Technical Services | 4 | $108,750 | — |
| Mahantji Inc. NC | Accommodation & Food Services | 0 | — | A |
| Mahar Tool Supply Co, Inc. MI | Wholesale Trade | 0 | — | B |
| Mahar Tool Supply Co, Inc. PR | Wholesale Trade | 0 | — | A |
| Mahar Tool Supply Company Inc IN | Wholesale Trade | 0 | — | A |
| Mahar Tool Supply Company Inc MS | Wholesale Trade | 0 | — | A |
| Mahar Tool Supply Company Inc NJ | Wholesale Trade | 0 | — | A |
| Maharam NY | Transportation & Warehousing | 0 | — | A |
| MAHARISHI International UNIVERSITY IA | Educational Services | 13 | $62,287 | — |
| Maharishi International University (MIU) IA | Educational Services | 0 | — | A |
| Mahaska Communication Group IA | Information & Media | 0 | — | F |
| Mahaska County Hospital IA | Healthcare & Social Assistance | 1 | $700,000 | — |
| Mahaska Health IA | — | 0 | — | — |
| MAHAUGHA LLC NJ | Professional & Technical Services | 16 | $92,020 | — |
| Mahco Inc AR | Wholesale Trade | 0 | — | A |
| MAHEC NC | Educational Services | 0 | — | F |
| maher chevrolet FL | Retail Trade | 0 | — | F |
| Maher Terminals LLC NJ | Transportation & Warehousing | 0 | — | A |
| Maheshwar, Inc. GA | Retail Trade | 1 | $97,760 | — |
| Mahindra Integrated Business Solutions Private Limited MI | Professional & Technical Services | 2 | $144,500 | — |
| Mahindra USA TX | Manufacturing | 0 | — | F |
| Mahle IA | — | 0 | — | — |
| Mahle MI | Manufacturing | 0 | — | C |
| MAHLE Behr SC | — | 0 | — | — |
