| Meta Amino Benzoic Acid | Academic & Science |
| Master of Applied Business Analytics | Business |
| Montana Agricultural Business Association Montana | Business |
| Metamora Area Business Association | Business |
| Master of Arts in Business Administration | Business |
| Meridian Area Business Association | Business |
| Metro Atlanta Business Association | Business |
| Marietta Area Business Association | Business |
| Merican Association For Behavior Analysis | Business |
| Memphis Area Bluegrass Association | Business |
| Maryland Alpaca Breeders Association | Business |
| Massachusettsmassachusetts Association Of Buyer Agents | Business |
| Michigan Artist Blacksmiths Association | Business |
| Marine Area Business Association | Business |
| Museum of American Bird Art | Community |
| Mt Adams Beautification Association | Community |
| Mexican American Bar Association | Community |
| Metro Atlanta Beekeepers Association | Community |
| Morgantown Area Business Association | Community |
| Mid Atlantic Barbecue Association | Community |
| Mid America Buddhist Association | Community |
| Madison Area Builders Association | Community |
| Michigan Artist Blacksmith Association | Community |
| Mid Atlantic BBQ Association | Community |
| Mid Atlantic Biosolids Association | Community |
| Malvern Area Betterment Association | Community |
| Maryland Association for Behavior Analysis | Community |
| Making A Better Athlete | General |
| Make Alexandria Bartend Again | General |
| Massachusetts Auto Body Association | General |
| Maryland Alpaca | General |
| Madrean Archipelago Biodiversity Assessment | General |
| Men Are Better At | General |
| Multiple Antigen Blot Assay | General |
| Michigan Agri-Business Association | General |
| Mid Atlantic Bio Angels | General |
| Microplate Alamar Blue Assay | General |
| Muscarinic Antagonist Beta2 Agonist | General |
| Montana Agricultural Business Association | General |
| Mid America Bonsai Alliance | Governmental |
| MANDI BAMORA | Indian Railway Station |
| Montrose Area Bicycle Alliance | Sports |
| Medway Amateur Basketball Association | Sports |
| Mid Atlantic Baseball Association | Sports |
| Midlothian Amateur Baseball Association | Sports |
