| Brewery | Location |
|---|---|
| Butcher's Brewing | |
| Butchertown | Louisville |
| Butler Brew Works | Butler, Pennsylvania |
| Butte Creek Brewing | Chico, California |
| Butterfield Brewing #1 | Fresno, California |
| Butternuts Beer and Ale | |
| Buttonwoods Brewing | |
| Buxton / Stillwater | United Kingdom |
| Buxton Brewery | Buxton, United Kingdom |
| The Buzz Meadery | |
| Buzzards Bay Brewing Inc. | Westport, Massachusetts |
| By All Means | Billings, Montana |
| Byaregårdens Brygghus | Veddige |
| Bzart | Niel-bij-As, Belgium |
| Bøgedal Bryghus | Vejle, Denmark |