| Mendez Media Marketing, Inc. | California |
| Mendix | Massachusetts |
| Mendocino College | California |
| Mendoza Ventures | Massachusetts |
| Menerva Software | Illinois |
| Meni Technologies, LLC | |
| Menlo College AI & Analytics - Major | California |
| Menlo Innovations, LLC | Michigan |
| Menlo Security, Inc. | California |
| Menlo Ventures | California |
| MenoGeniX | Colorado |
| Menssana Research, Inc. | New Jersey |
| Mentalix, Inc. | Texas |
| Mentaport, Inc. | California |
| Menten AI | California |
| Mentis Systems | Washington |
| Mentis Technology, Inc. | Tennessee |
| Mentor Capital Partners Ltd | Pennsylvania |
| Mentor Consulting Group | Illinois |
| Mentor Electronics Marketing, Inc. | Ohio |
| Mentor Spaces, Inc. | |
| Mentorcam, Inc. | California |
| MentorCloud, Inc. | California |
| MentorCruise | |
| MentorMate, Inc. | Minnesota |
| Mentornity, LLC | |
| MentorPass | |
| MentorSol, LLC | |
| Mentus | |
| MenuDrive | |
| Menus by Design | |
| Meow Technologies | New York |
| Meowtel, Inc. | California |
| MePlusMore, LLC | Arizona |
| meQuilibrium | Massachusetts |
| Mer-Mar, Inc. | California |
| Meraki Digital Access | Wyoming |
| Meramak, Inc. | Florida |
| Merative | |
| Mercaptor Discoveries | California |
| Mercato Partners | |
| Mercator MedSystems, Inc. | California |
| Mercatus, Inc. | California |
| Merced College | California |
| Mercedes-Benz Research & Development North America, Inc. | |
| Mercer Design Studio, Inc. | |
| Mercer University | Georgia |
| Mercer University Computer Science | Georgia |
| Mercer, LLC | |
| Mercersburg Academy | Pennsylvania |