| Brewery | Location |
|---|---|
| Mt. Pleasant Brewing Company | Mt. Pleasant, Michigan |
| Muckraker Beermaker | |
| Mudbug Brewery | THIBODAUX |
| Muddy York Brewing Co. | Toronto |
| Mudshark Brewing | Lake Havasu City, Arizona |
| Muifel Brouwerij | Berghem, Netherlands |
| Mujicians Brewing Company | |
| MullerBrau | Troy, MI |
| Multi Bintang | Indonesia |
| Multi-Brasses | Tingwick |
| Mumford Brewing | Los Angeles, California |
| Munich Brew Mafia | Munich, Germany |
| Munkebo Mikrobryg | |
| Munkle Brewing | |
| Murphy's Brewery Ireland Limited | Cork |