| Michigan College Bass Circuit | Academic & Science |
| Mansfield College Boat Club | Academic & Science |
| Massachusetts Community Banking Council | Banking |
| Massachusetts Community and Banking Council | Banking |
| Macatawa Bank Corporation | Business |
| Malaysia Canada Business Council | Business |
| Martin City Brewing Company | Business |
| MODERN CLASSIC bicycle COMPANY | Business |
| Molson Coors Brewing Company | Business |
| Michigan Chinese Business Club | Business |
| Management of Chemical and Biological Casualties | Business Management |
| McHenry County Bicycle Club | Community |
| Mount Calvary Baptist Church | Community |
| Mt Calvary Baptist Church | Community |
| Madelia Community Based Collaborative | Community |
| Mt Carmel Baptist Church | Community |
| Mount Carmel Baptist Church | Community |
| Mid Cities Bible Church | Community |
| Mississauga City Baptist Church | Community |
| Montgomery Chinese Baptist Church | Community |
| Midwest Craft Brewers Conference | Community |
| Markham Chinese Baptist Church | Community |
| Merrickville Custom Bike Club | Community |
| Mid Cities Barber College | Educational Institute |
| Marine Corps Base Camp | General |
| Maximum Corticosteroid Binding Capacity | General |
| Multi Carrier Burst Contention | General |
| Mean Copies between Calls | General |
| Modern Classic Bicycle | General |
| Master of Ceremonies Brian Christina | General |
| Master Custom Builder Council | Governmental |
| Monterey County Business Council | Governmental |
| Maryland China Business Council | Governmental |
| Medical Coder Biller Certification | Medical |
| Medical Coder and Biller Certification | Medical |
| Men Countering Breast Cancer | Medical |
| Medical Coding and Billing Certification | Medical |
| Marin County Bicycle Coalition | Sports |
| Magic City Bicycle Collective | Sports |
