| McKenzie Brew House | Glen Mills, Pennsylvania |
| McLaren Vale Brewing Company | Australia |
| McMenamins Edgefield Brewery | Troutdale |
| McMenamins Mill Creek | Mill Creek, Washington |
| McMullen & Sons | Hertford, United Kingdom |
| McNeill's Brewery | Brattleboro, Vermont |
| Mea Culpa | Brussels, Belgium |
| Meadowlark Brewing | |
| 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 |