| Mapless AI, Inc. PA | Information & Media | 1 | $165,000 | - |
| Mapleton Hill, Inc. CO | Professional & Technical Services | 1 | $102,000 | - |
| Mapletree US Management LLC NY | Real Estate | 2 | $298,854 | - |
| Maplewood NY | Healthcare & Social Assistance | 0 | - | F |
| Maplewood at Brewster MA | Healthcare & Social Assistance | 0 | - | C |
| Maplewood at Cuyahoga Falls OH | Healthcare & Social Assistance | 0 | - | F |
| Maplewood at Danbury CT | Healthcare & Social Assistance | 0 | - | F |
| Maplewood at Home, LLC CT | - | 0 | - | - |
| Maplewood at Newtown CT | Healthcare & Social Assistance | 0 | - | - |
| Maplewood at Stony Hill, LLC CT | Healthcare & Social Assistance | 0 | - | F |
| Maplewood Beverage Packers, LLC NJ | Manufacturing | 0 | - | F |
| Maplewood Care Group LLC MN | Healthcare & Social Assistance | 0 | - | F |
| Maplewood Motors LLC MN | Retail Trade | 0 | - | C |
| Maplewood Senior Living CT | Healthcare & Social Assistance | 0 | - | A |
| Maplewood Senior Living MA | Healthcare & Social Assistance | 0 | - | F |
| Maplewood Senior Living NY | Healthcare & Social Assistance | 0 | - | D |
| Maplewood Senior Living OH | Healthcare & Social Assistance | 0 | - | F |
| Mapp Biopharmaceutical, Inc. CA | Professional & Technical Services | 1 | $102,000 | - |
| MapR Technologies Inc. CA | - | 0 | - | - |
| MapsITSolutions LLC TX | - | 1 | $118,456 | - |
| Maq L.L.C. WA | Professional & Technical Services | 5 | $117,743 | - |
| Maq L.L.C. WA | - | 8 | $133,495 | - |
| Maquoketa Web Printing IA | - | 0 | - | - |
| MAR City of San Diego CA | - | 0 | - | - |
| Mar Jac Poultry MS LLC MS | Manufacturing | 0 | - | C |
| Mar Vista Berry II CA | Agriculture & Forestry | 0 | - | C |
| Mar-a-Lago Club, LLC FL | - | 0 | - | - |
| Mar-Bal VA | Manufacturing | 0 | - | D |
| Mar-Bal Inc. OH | Manufacturing | 0 | - | F |
| Mar-Can Transportation Co. Inc. NY | - | 0 | - | - |
| Mar-Jac Poultry, Inc GA | Manufacturing | 0 | - | D |
| Mar-Jon Labor, LLC WA | Agriculture & Forestry | 0 | - | F |
| Mar-Mac Industries, Inc. SC | Manufacturing | 0 | - | F |
| Marada Industries, Inc. MD | - | 0 | - | - |
| Marada Industries, Inc. MI | Manufacturing | 2 | $107,940 | - |
| Marana AZ | Healthcare & Social Assistance | 0 | - | F |
| Marana Health Center AZ | Healthcare & Social Assistance | 2 | $233,314 | - |
| Marathon Asset Management LP NY | Finance & Insurance | 3 | $225,000 | - |
| Marathon Bank of New York/Investors Bank NY | - | 0 | - | - |
| Marathon Capital, LLC IL | Finance & Insurance | 3 | $193,250 | - |
| Marathon Cheese (medford) WI | Manufacturing | 0 | - | F |
| Marathon Cheese CORPORATION ID | Manufacturing | 0 | - | F |
| Marathon Cheese CORPORATION MS | Manufacturing | 0 | - | C |
| Marathon Cheese CORPORATION WI | Manufacturing | 0 | - | D |
| Marathon Coach, Inc. OR | Manufacturing | 0 | - | F |
| Marathon Equipment Company (Delaware) AL | Manufacturing | 0 | - | C |
| Marathon Health TN | Public Administration | 0 | - | F |
| Marathon Health, LLC IN | Healthcare & Social Assistance | 3 | $90,439 | - |
| Marathon Heater Haywood Division TN | - | 0 | - | - |
| Marathon Oil Corporation TX | Mining & Extraction | 0 | - | A |
