| Midwest Clinical Research | |
| Midwest Commerce Solutions | Illinois |
| Midwest Computer Brokers Electronic Recovery | Iowa |
| Midwest Computer Solutions, Inc. | Indiana |
| Midwest Computer Systems, LLC | Iowa |
| Midwest Copier Exchange, LLC | Illinois |
| Midwest Data Center | Missouri |
| Midwest Games | |
| Midwest Immersive | |
| Midwest Institute for Clinical Research | Indiana |
| Midwest Internet Cooperative Exchange | Minnesota |
| Midwest Internet, Inc. | Indiana |
| Midwest IT Systems, Inc. | Minnesota |
| Midwest Laser, Inc. | Illinois |
| Midwest Micro-Tek, LLC | South Dakota |
| Midwest New Media, LLC | Ohio |
| Midwest Office Technology | Kansas |
| MidWest SAS Users Group | Michigan |
| Midwest Technical Sales, Inc. | Minnesota |
| Midwest University | Missouri |
| Midwest Web Design, Inc. | Minnesota |
| Midwestern Career College | Illinois |
| Midwestern State University | Texas |
| Midwestern University | Illinois |
| Midwinter Entertainment | Washington |
| MIE Solutions | California |
| Miele-Fleury Graphics | Massachusetts |
| MIG & Co. | New York |
| Miggo | |
| Mightier | Massachusetts |
| Mighty Buildings, Inc. | California |
| Mighty Capital | California |
| MIghty Citizen | Texas |
| Mighty Engine | |
| Mighty Fine | |
| Mighty Lab Web Solutions | Pennsylvania |
| Mighty Networks | Texas |
| Mighty Play, LLC | California |
| Mighty Pouch.com | Arizona |
| Mighty Sharp, LLC | |
| Mightybytes | Illinois |
| MightyCall | California |
| Mightycause | Virginia |
| MightyHive | |
| MightyNest, LLC | |
| MightyRecruiter | |
| MigmaAI, Inc. | |
| Migo Money, Inc. | California |
| MIGRA Therapeutics, LLC | |
| Mihail Eric | |