| Mambo Beer | Mequon, Wisconsin |
| Mammoth Brewing | Mammoth Lakes, California |
| Man Skirt Brewing | Hackettstown |
| Manayunk Brewery and Restaurant | Philadelphia, Pennsylvania |
| Manchester Marble Brewery | United Kingdom |
| Manhattan Beach Brewing | Manhattan Beach, California |
| Manhattan Project | Dallas, Texas |
| Maniacal Mead Co. | |
| Manic Meadery | Crown Point, Indiana |
| 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 |