| M Belgian-Style Barleywine | Midnight Sun Brewing Co. | American Barleywine | 11.6% |
| M-43 | Old Nation Brewing Company | New England IPA | 6.8% |
| M-43 Tart Strawberry | Old Nation Brewing Company | New England IPA | 6.8% |
| M.F.C.S. | Mortalis | | |
| M.O. | The Wild Beer Co. | Old Ale | 7.0% |
| M.O.A.B. | Nebraska Brewing Company | American Imperial Stout | 12.7% |
| M.O.L.E. | Nøgne Ø | Russian Imperial Stout | 9.0% |
| M10 | Maallust | English Barleywine | 10.0% |
| M2 | Abnormal Beer Co. | Oatmeal Stout | 9.0% |
| M3 | Abnormal Beer Co. | | |
| M4 | Abnormal Beer Co. | American Imperial Stout | |
| M6 | Abnormal Beer Co. | American Imperial Stout | 13.5% |
| M9.1 | Monkish Brewing Co. | American Imperial Stout | 15.0% |
| Ma | Tree House Brewing Company | American Amber / Red Ale | 7.3% |
| Ma première blonde | À La Fût | Bohemian / Czech Pilsner | 5.4% |