| Brewery | Location |
|---|---|
| Mad Fox Brewing Company | Falls Church |
| Mad Fritz | St. Helena |
| Mad Hatter | Liverpool, United Kingdom |
| Mad River Brewing Company | Blue Lake, California |
| Mad scientist | Budapest, Hungary |
| Mad Swede Brewing Company | Boise, Idaho |
| Mad Yeast | Belgium |
| MadeWest Brewing Company | Ventura, California |
| Madhouse Brewing Company | |
| Madison River Brewing Company | Belgrade, Montana |
| MadTree | Cincinnati |
| MadX | |
| Maeloc | |
| Magic Hat | South Burlington, Vermont |
| Magic road | Warsaw, Poland |