| Multitrade Rabun Gap GA | Utilities | 0 | — | A |
| MULTIVAC MO | Wholesale Trade | 0 | — | A |
| MULTIVISION LLC VA | Professional & Technical Services | 5 | $134,694 | — |
| Multnomah Athletic Club OR | — | 0 | — | — |
| Multnomah Country School District #3 OR | Educational Services | 0 | — | F |
| Multnomah County OR | Public Administration | 0 | — | C |
| Multnomah County School District #1J - Portland Public Schools OR | Transportation & Warehousing | 0 | — | F |
| Multnomah County School District #3 OR | Educational Services | 0 | — | F |
| MULTNOMAH EDUCATION SERVICE DISTRICT OR | Public Administration | 0 | — | C |
| Multnomah Street Property OR | — | 0 | — | — |
| Multnomah University OR | — | 0 | — | — |
| Mulvey Construction, Inc. NY | Construction | 0 | — | F |
| Mumford & Miller Concrete, Inc. DE | Construction | 0 | — | F |
| Mumford Metal Casting IL | — | 0 | — | — |
| Mun & Mind Therapy PLLC IL | Healthcare & Social Assistance | 1 | $93,600 | — |
| Muncaster Capital IA | Manufacturing | 0 | — | F |
| Muncaster Consulting, LLC CA | Professional & Technical Services | 1 | $150,218 | — |
| Munch's Supply IL/IN IL | Wholesale Trade | 0 | — | A |
| Munch's Supply IL/IN IN | Wholesale Trade | 0 | — | F |
| Munch's Supply MI MI | Wholesale Trade | 0 | — | B |
| Munchery CA | — | 0 | — | — |
| Munchery NY | — | 0 | — | — |
| Munchkin, Inc. CA | Manufacturing | 1 | $145,000 | — |
| Munchkinland Productions LP (Wicked) NY | — | 0 | — | — |
| Muncie Aviation Company IN | Transportation & Warehousing | 0 | — | A |
| Muncie RCF LP IN | Healthcare & Social Assistance | 0 | — | A |
| Muncy Homes Incorporated PA | Manufacturing | 0 | — | F |
| Mundelein Park & Recreation District IL | Public Administration | 0 | — | F |
| Mundet Tennessee Inc. TN | Manufacturing | 0 | — | B |
| Mundo Verde Irrigation & Landscaping TX | Administrative & Waste Services | 0 | — | A |
| Mundo-Tech Inc AR | Manufacturing | 0 | — | A |
| Munds Energy, Inc. KS | Transportation & Warehousing | 0 | — | C |
| Mundy DE | Construction | 0 | — | A |
| Mundy NC | Construction | 0 | — | A |
| Mundy TX | Construction | 0 | — | A |
| Mundy VA | Construction | 0 | — | A |
| Mundy Maintenance SC | — | 0 | — | — |
| Mundy Maintenance and Services, LLC FL | — | 0 | — | — |
| Mundy Maintenance and Services, LLC Ascend Facility FL | — | 0 | — | — |
| Mundy Maintenance and Services, LLC Ascend Facility at Pensacola FL | — | 0 | — | — |
| Mundy Maintenance Service and Operation NC | — | 0 | — | — |
| Mundy Maintenance Services and Operations LLC NC | — | 0 | — | — |
| Mundy Service Corporation NC | — | 0 | — | — |
| Mundy Service Corporation SC | — | 0 | — | — |
| Mundy Support Services LLC VA | — | 0 | — | — |
| Munger Bros. LLC CA | Agriculture & Forestry | 1 | $180,000 | — |
| Munich Public School District 19 ND | Educational Services | 1 | $59,300 | — |
| Munich Re America Services, Inc. NJ | Finance & Insurance | 15 | $160,496 | — |
| Munich Reinsurance America, Inc. NJ | Finance & Insurance | 2 | $166,125 | — |
| MUNICIALITY OF YAUCO PR | Public Administration | 0 | — | A |
