| Madison Institute of Medicine | Academic & Science |
| Malaysian Institute of Management | Academic & Science |
| Merimbula | Airport Code |
| Meetings Incentives Media | Business |
| Made In Mexico | Business |
| Master's in Management | Business |
| Master's in International Management | Business |
| MI Developments Incorporated (de-listed) | Business |
| Master of Information Management | Business Management |
| Master of International Management | Business Management |
| Master In Management | Business Management |
| Mobile Internet Management | Business Management |
| Music In May | Community |
| Memphis In May | Community |
| Minds In Motion | Community |
| Musical Instrument Museum | Community |
| Musical Instruments Museum | Community |
| Music Industry Manual | Community |
| Music Is Math | Community |
| Music In Motion | Community |
| Man in the Middle | Computer and Networking |
| Mobile Information Management | Computing |
| Map Image Metafile | Computing |
| Msn Instant Messenger | Computing |
| Media Interface Module | Computing |
| Multi Image Manager | Computing |
| Multifunction Interface Modules | Computing |
| Mobile Instant Messaging | Computing |
| Microsoft Intellimouse | Computing |
| Management Information Model | Computing |
| Microsoft Identity Manager | Computing |
| Mobile Interactive Media | Computing |
| Mobile Inventory Manager | Computing |
| Marine Industrial and Mining | Educational Degree |
| Masters of International Management | Educational Degree |
| Media and Information Management | Educational Degree |
| Metal Injection Molding | Electronics |
| Metal-insulator-metal | Electronics |
| Metal Injection Molded | General |
| Manufactured In Mexico | General |
| Metal Injection Moulding | General |
| Molecular Interaction Map | General |
| Meet In the Middle | General |
| Make it Mine | General |
| Made in Montrose | General |
| Meeting Information Manager | General |
| Machine Identification Modules | General |
| Microgravity Isolation Mount | General |
| Myocardial Ischemia and Metabolism | General |
| Marschak Interaction Method | General |
| Machine Identification Module | General |
| Mindfulness In Motion | General |
| Minimum Ionospheric Model | General |
| Motor In Mirror | General |
| Made In Mongolia | General |
| May Ina and Mary | General |
| Mopars In Motion | General |
| Modular Infotainment Matrix | General |
| Motor Image Malaysia | General |
| Mario Is Missing | General |
| Mutiple Interval Mapping | General |
| Murray International Misfit | General |
| Miranda Instant Messenger | General |
| Masonry Institute of Michigan | Governmental |
| Manhattan Institute of Management | Governmental |
| Malta Institute of Management | Governmental |
| Malawi Institute of Management | Governmental |
| MANIRAM | Indian Railway Station |
| Musée des instruments de musique | International |
| Minnesota International Medicine | International |
| Master in International Management | International |
| Mimarlik | International |
| Magic Internet Money | Internet |
| Mendelian Inheritance in Man | Medical |
| Migraine Innovative Medicine | Medical |
| Molecular Imaging in Medicine | Medical |
| Multilateral Initiative on Malaria | Medical |
| Maoist Internationalist Movement | Military and Defence |
| Maintenance Instruction Manual | Military and Defence |
| Merimbula, New South Wales, Australia | Regional |
