| Mount Saint Bernard Abbey | United Kingdom |
| Mount Shasta Brewing | Weed, California |
| Mountain Culture Beer Co. | Katoomba |
| Mountain Goat | Richmond, Australia |
| Mountain State Brewing | |
| Mountain Sun Pub & Brewery | Boulder, Colorado |
| Mountain Town Brewing Co. | Mount Pleasant, MI |
| Mountains Walking | Bozeman , Montana |
| Moura | |
| 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 |
| Muckraker Beermaker | |