| Mean Sardine | lisboa |
| Meantime Brewing Company Limited | Greenwich, United Kingdom |
| Meckatzer Lwenbru | Heimenkirch, Germany |
| Medusa Brewing | Hudson, Massachusetts |
| Mehana Brewing | Hilo, Hawaii |
| Meishager Brouwerij | Munstergeleen |
| Melman Brouwerij | Breda, Netherlands |
| Melovino Craft Meadery | |
| Melvin Brewing | Alpine, WY |
| Menabrea | |
| Menaud Distrillerie & Brasserie | Clermont, Canada |
| Mendocino Brewing - Hopland | Hopland, California |
| Mendocino Brewing - Saratoga Springs | Saratoga Springs, New York |
| Mendocino Brewing - Ukiah | Ukiah, California |
| Mercury Brewing Company | Ipswich, Massachusetts |