| Brewery | Location |
|---|---|
| 3 Floyds / Municipal Waste | |
| 3 Fonteinen | Beersel, Belgium |
| 3 Ravens | Thornbury |
| 3 Sheeps Brewing Company | Sheboygan, Wisconsin |
| 3 Sons Brewing Co | Florida |
| 3 Stars Brewing Company | Washington |
| 32 North | |
| 32 Via dei Birrai | Pederobba, Italy |
| 350 Brewing Company | Tinley Park |
| 36 Foot Brewing Co. | Fruitland, Maryland |
| 3rd Sign Brewery | Waunakee |
| 4 Hands / Bale Breaker / Stone Brewing Co. | |
| 4 Hands Brewing Co. | Saint Louis, Missouri |
| 4 Hands Brewing Company / Brasserie Dunham | |
| 4 Mile Brewing Co | Victoria |