| Mitternight Boiler Works AL | Manufacturing | 0 | — | A |
| Mittler Corporation MO | Manufacturing | 0 | — | A |
| Mity Inc. TN | Manufacturing | 0 | — | F |
| Mity-Lite TN | — | 0 | — | — |
| MityLite UT | Manufacturing | 0 | — | F |
| MIU'S FOOD & BEVERAGE LLC FL | Manufacturing | 1 | $93,600 | — |
| Miura America Co., Ltd GA | Manufacturing | 0 | — | F |
| Miura Contracting AZ | Construction | 0 | — | A |
| MIVI Neuroscience, Inc. MN | Manufacturing | 0 | — | A |
| MIVILA CORPORTATION NJ | Wholesale Trade | 0 | — | A |
| MIWD TX | Manufacturing | 0 | — | A |
| Miwon SC | Manufacturing | 0 | — | A |
| Mix Ave LLC CT | Real Estate | 0 | — | F |
| Mixer & Plant Parts Mfg, LLC SC | Manufacturing | 0 | — | A |
| Mixer Systems WI | Manufacturing | 0 | — | F |
| MIXhalo Corp. CA | Professional & Technical Services | 1 | $150,000 | — |
| Mixlarson Inc. UT | Construction | 0 | — | F |
| Mixpanel Inc. CA | Professional & Technical Services | 7 | $196,959 | — |
| Mixteco Indigena Community Organizing Project CA | Other Services | 1 | $143,333 | — |
| Miyake Forging North America TN | Manufacturing | 0 | — | F |
| Miyako Restaurant HI | — | 0 | — | — |
| Miyamoto International Inc CA | Professional & Technical Services | 5 | $31,910,962 | — |
| Miyoko's PBC CA | — | 0 | — | — |
| Miyoshi America CT | Manufacturing | 0 | — | F |
| MIZ Tech Solutions LLC TX | Professional & Technical Services | 8 | $104,142 | — |
| Mize and Company Inc KS | Wholesale Trade | 0 | — | A |
| Mize Machine KY | Manufacturing | 0 | — | A |
| Mizell Development, Inc. FL | Construction | 0 | — | F |
| Mizkan America KY | Manufacturing | 0 | — | C |
| Mizkan America NY | Manufacturing | 0 | — | A |
| Mizkan America Inc MI | Manufacturing | 0 | — | A |
| Mizkan America Lake Alfred FL | Manufacturing | 0 | — | B |
| Mizkan America, Crossville TN | Manufacturing | 0 | — | C |
| Mizkan America, Inc. CA | — | 0 | — | — |
| Mizkan America, Inc. FL | — | 0 | — | — |
| Mizkan America, Inc. IL | Manufacturing | 0 | — | A |
| Mizkif Enterprises LLC TX | Arts & Entertainment | 1 | $37,627 | — |
| Mizpah Healthcare Group VA | Healthcare & Social Assistance | 0 | — | A |
| Mizuho America, Inc. CA | Manufacturing | 0 | — | A |
| Mizuho Americas Services LLC NY | Finance & Insurance | 27 | $177,290 | — |
| Mizuho OSI CA | Manufacturing | 0 | — | F |
| Mizuho Securities USA LLC NY | Finance & Insurance | 9 | $242,436 | — |
| Mizzy Construction, Inc. CT | Construction | 0 | — | F |
| MJ & AD DPS LLC AZ | Transportation & Warehousing | 0 | — | A |
| MJ Associates Philadelphia PA | Manufacturing | 0 | — | F |
| MJ Baumann Co., Inc. OH | Construction | 0 | — | F |
| MJ Care Inc WI | Healthcare & Social Assistance | 0 | — | C |
| MJ Celco, Inc. IL | Manufacturing | 0 | — | F |
| MJ Concrete and Contsruction NM | Construction | 0 | — | F |
| MJ CONSULTING & DEVELOPMENT, INC. PR | Public Administration | 0 | — | D |