| Brewery | Location |
|---|---|
| The Mostly Harmless Brewing Co. | Woodstock |
| Mother Earth Brew Co. | Vista |
| Mother Earth Brewing | Kinston, North Carolina |
| Mother's Brewing Company | |
| Mothership / Fourpure | |
| Motor City Brewing Works | Michigan |
| Motorworks Brewing | Bradenton |
| Mount Hope Estate & Winery | Manheim, PA |
| Mount Saint Bernard Abbey | United Kingdom |
| Mount Shasta Brewing | Weed, California |
| Mountain Culture Beer Co. | Katoomba |
| Mountain Goat | Richmond, Australia |
| Mountain State Brewing | |
| Mountain Sun Pub & Brewery | Boulder, Colorado |
| Mountain Town Brewing Co. | Mount Pleasant, MI |