| Minipivovar Matuška Broumy (Matuska) | Czech Republic |
| Minneapolis Town Hall Brewery | Minneapolis, Minnesota |
| Minnesota Brewing | Saint Paul, Minnesota |
| Minocqua Brewing Company | Minocqua, Wisconsin |
| Mishawaka Brewing | Mishawaka, Indiana |
| Mispillion River Brewing | Milford, Delaware |
| Mission Brewery | San Diego, California |
| Mission Springs Brewing | Mission, Canada |
| Mississippi Brewing Co. | Utica, New York |
| Miyazaki Hideji Beer Co., LTD | Miyazaki-ken, Japan |
| Moa Brewing Company | Blenheim, New Zealand |
| Moab Brewery | Moab, Utah |
| Moat Mountain Smoke House & Brewing Co | North Conway |
| MobCraft Beer | Madison, Wisconsin |
| Mockery Brewing Co. | Denver |