| Brewery | Location |
|---|---|
| Mishawaka Brewing | Mishawaka, Indiana |
| Miskatonic Brewing Company | Darien |
| Mispillion River Brewing | Milford, Delaware |
| Mission Brewery | San Diego, California |
| Mission Springs Brewing | Mission, Canada |
| Mississippi Brewing Co. | Utica, New York |
| Missoula Brewing Company | |
| Missouri Beer Company | O'Fallon, MO |
| Mister B | Italy |
| Miyazaki Hideji Beer Co., LTD | Miyazaki-ken, Japan |
| Mjödhamnen | |
| Mlinarica | Zagreb, Croatia |
| Moa Brewing Company | Blenheim, New Zealand |
| Moab Brewery | Moab, Utah |
| Moat Mountain Smoke House & Brewing Co | North Conway |