| Moustache Brewing Co. | Riverhead, New York |
| Moylan's Brewery & Restaurant | Novato, California |
| Mraz Brewing | El Dorado Hills, California |
| Mt. Carmel | Cincinnati, OH |
| Mt. Pleasant Brewing Company | Mt. Pleasant, Michigan |
| Mudshark Brewing | Lake Havasu City, Arizona |
| Mujicians Brewing Company | |
| MullerBrau | Troy, MI |
| Murphy's Wagon Wheel | Hastings, Nebraska |
| Museum Brewing Company | Burton-upon-Trent, United Kingdom |
| Muskoka Brewery | Bracebridge, Ontario |
| Mussel Inn | Takaka, New Zealand |
| Mustang Brewing Co. | Oklahoma City, Oklahoma |
| Muxa Brewing Company | Mexicali |
| My Home Brew | Cincinnati |