| Measurement and Control Engineering Center | Academic & Science |
| Major Campus Events Committee | Academic & Science |
| Montgomery County Early College | Academic & Science |
| Motor City Electro Company | Business |
| Mid- Carolina Electric Cooperative | Business |
| Managed Competition Employee Committee | Business |
| Ministerial Conference on Electronic Commerce | Business |
| Military Child Education Center | Community |
| Michigan Cosmetologist Education Committee | Community |
| Military Child Education Coalition | Community |
| Michigan Federated Chapters of the Council for Exceptional Children | Community |
| Managed Care Education Connection | Community |
| Monroe County Education Coalition | Community |
| Multicultural Community Engagement Center | Community |
| Mennonite Church Eastern Canada | Community |
| Medical Cannabis Educational Center | Community |
| Mississippi Community Education Center | Community |
| Multi Cultural Educational Center | Community |
| Melbourne Convention and Exhibition Centre | General |
| Master Corporate Executive Coach | General |
| Melbourne Convention Exhibition Centre | General |
| Michigan Council for Exceptional Children | Governmental |
| Macedonian Civic Education Center | Governmental |
| Manitoba Council for Exceptional Children | Governmental |
| Maryland Clean Energy Center | Governmental |
| Microbial Control Executive Council | Governmental |
| Massachusetts Council for Exceptional Children | Governmental |
| Montana Council for Exceptional Children | Governmental |
| Mendick Cardiac Evaluation Center | Medical |
| Murine Cardiac Endothelial Cell line | Medical |
| Mouse Cardiac Endothelial Cells | Medical |
| Mississippi County Electric Cooperative | Regional |
| Master's Commission of Eastern Canada | Regional |
| Marshall County Exceptional Center | Regional |
| Mennonite Conference of Eastern Canada | Regional |