| Mill Whistle Brewing | Beaufort |
| Miller Brewing | Milwaukee, Wisconsin |
| Millersburg Brewing Company | Millersburg |
| Millking It Productions | Royal Oak, Michigan |
| Millpond Brewing & Incubator | Millstadt, Illinois |
| Millrose Brewing | South Barrington, Illinois |
| Mills Brewing | |
| Millstream Brewing | Amana, Iowa |
| Milly's Tavern | Manchester, New Hampshire |
| Milwaukee Ale House | Milwaukee, Wisconsin |
| Milwaukee Brewing Company | |
| Minhas Craft Brewery | Monroe, Wisconsin |
| Minipivovar Matuška Broumy (Matuska) | Czech Republic |
| Minneapolis Town Hall Brewery | Minneapolis, Minnesota |
| Minnesota Brewing | Saint Paul, Minnesota |