| Imperial Mexican Chocolate Stout | Main & Mill Brewing Co. | | |
| Imperial Mexican Chocolate Stout | Twin Leaf | American Imperial Stout | 7.0% |
| Imperial Midnight Snack Biscotti Break | Evil Twin / Abomination | American Imperial Stout | 12.5% |
| Imperial Mild Ale | Joseph James Brewing | English Dark Mild Ale | |
| Imperial Milk Porter - Stranahan Whiskey Barrel Aged | Cigar City Brewing | American Porter | 9.0% |
| Imperial Milkshake Stout | Rochester Mills Beer Co. | Sweet / Milk Stout | 8.5% |
| Imperial Mint Chocolate Stay Puft | Tiny Rebel Brewery | English Porter | |
| Imperial Mocha Awakening | Angry Chair Brewing | American Imperial Stout | |
| IMPERIAL MOCHA COFFEE STOUT | Adirondack Brewery | American Imperial Stout | 10.3% |
| Imperial Mokah Blended Stout | Southern Tier Brewing Co | | 11.0% |
| Imperial Moon Butter | Angry Chair Brewing | | 10.0% |
| Imperial Moountie | Bolero Snort | | |
| Imperial Mutt Brown Ale | Stone Brewing | American Brown Ale | 9.0% |
| Imperial Nectarine Bu | De Garde Brewing | Berliner Weisse | |
| Imperial New England IPA | Greater Good Imperial Brewing Company | Imperial IPA | 12.0% |