| Brewery | Location |
|---|---|
| Moosehead Breweries Ltd. | Saint John, Canada |
| Moosejaw Pizza & Dells Brewing Company | Wisconsin Dells, Wisconsin |
| Morada Cia Entilica | Brazil |
| Mordue Brewery | Wallsend, United Kingdom |
| Morland and Co. | Abingdon, United Kingdom |
| Morrison Brewery | Launceston |
| The Mostly Harmless Brewing Co. | Woodstock |
| Mother Earth Brew Co. | Vista |
| Mother Earth Brewing | Kinston, North Carolina |
| Mother's Brewing Company | |
| Motor City Brewing Works | Michigan |
| Motorworks Brewing | Bradenton |
| Mount Shasta Brewing | Weed, California |
| Mountain State Brewing | |
| Mountain Sun Pub & Brewery | Boulder, Colorado |