| MIS Capital, LLC | Pennsylvania |
| MIS Sciences Corporation | California |
| MIS Systems Corporation | Tennessee |
| Misai Solutions | |
| Mischa Communications, Inc. | Ohio |
| MISCorp | Oregon |
| Misericordia University | Pennsylvania |
| Misk.com, Inc. | Washington |
| Miso Robotics | California |
| Misok, LLC | Oklahoma |
| Misource, Inc. | Florida |
| Mispro Biotech Services | New York |
| Miss E Graphics | California |
| Miss Mac Computer | California |
| Missing Corner, Inc. | |
| Mission and Market | California |
| Mission Bio | California |
| Mission BioCapital | |
| Mission Cloud Services, Inc. | California |
| Mission College | California |
| Mission Communications, LLC | Georgia |
| Mission Critical Delivery Solutions, Inc. | Maine |
| Mission Critical Partners | Pennsylvania |
| Mission Critical Software, LLC | Connecticut |
| Mission Critical Solutions | Florida |
| Mission Data | Kentucky |
| Mission Engine, LLC | |
| Mission Microwave Technologies, LLC | |
| Mission Pharmacal Company | |
| Mission Repair KC | Kansas |
| Mission Robotics, Inc. | |
| Mission Secure, Inc. | Virginia |
| Mission Trail BioLabs, LLC | California |
| Mission University | Missouri |
| Mission Ventures | California |
| Mission Web Marketing | California |
| Mississippi Center for Supercomputing Research | Mississippi |
| Mississippi College Computer Science (B.A., B.S.) | Mississippi |
| Mississippi State University Department of Computer Science and Engineering | Mississippi |
| Mississippi State University Electrical and Computer Engineering | Mississippi |
| Mississippi State University High Performance Computing Collaboratory | Mississippi |
| Mississippi University for Women Mathematics | Mississippi |
| Mississippi Valley State University Department of Mathematics, Computer and Information Sciences | Mississippi |
| Missoula SEO Geek | |
| Missouri Baptist University | Missouri |
| Missouri Innovation Center, Inc. | Missouri |
| Missouri Southern State University | Missouri |
| Missouri State University Computer Science Department | Missouri |
| Missouri State University Cybersecurity Graduate Program | Missouri |
| Missouri State University Department of Information Technology and Cybersecurity | Missouri |