| Back Road Stout (barrel aged) | Millstream Brewing | Oatmeal Stout | |
| Back Roads | Suarez Family Brewery | Saison | 5.6% |
| Back talk | Bearded Iris Brewing | American Pale Ale | 5.0% |
| Back to Basics | Magnify Brewing | | |
| Back To Black | Brouwerij De Ranke | English Porter | 9.5% |
| Back to Black | Cierzo Brewing Co. | American Imperial Stout | |
| Back Yard Party | Hop Butcher for the World | New England IPA | 7.5% |
| Backacre | Backacre Beermakers | | 7.1% |
| Backacre Vintage batch 5 | Backacre Beermakers | | |
| Backcountry Black IPA | Deep River Brewing Company | Black IPA | 7.9% |
| BAckdaFIDYup | Oskar Blues Brewery | American Imperial Stout | 10.0% |
| BackDraft Chocolate Porter | Pennichuck Brewing Company | American Porter | |
| Backdrop | Casey Brewing And Blending | | 6.0% |
| Backdrop - Fantasia Nectarine | Casey Brewing And Blending | | 6.0% |
| Backdrop Preserves - Laroda Plum | Casey Brewing And Blending | | |