| Brewery | Location |
|---|---|
| Mankato Brewery | North Mankato, Minnesota |
| Manor Hill Brewing | |
| Mantorville Brewing Company | |
| Mantra Artisan Ales | Murfreesboro |
| The Many Worlds Brewing | Denmark |
| Manzanita Brewing Company | Santee, California |
| MAP Brewing Co. | Bozeman |
| Maplewood Brewery | |
| Marbäcks bryggeri | Marbäck, Sweden |
| The Marble Arch | Manchester |
| Marble Brewery | Albuquerque, New Mexico |
| Marble Fox | Nashville |
| Margaritaville Brewing Company | Jacksonville, Florida |
| Mariatorgets Mikrobryggeri | Stockholm, Sweden |
| Mariestads | Sweden |