| Brewery | Location |
|---|---|
| Underground Beer Lab | East Syracuse |
| Underwoord brewery | Stari Petrivtsi, Ukraine |
| Une Année | Niles, Illinois |
| Unfiltered Brewing | Halifax, Canada |
| Unibroue | Chambly, Canada |
| Unicer | Portugal |
| Union Barrel Works | Reamstown, Pennsylvania |
| Union Colony Brewery | Greeley, Colorado |
| Union Craft Brewing | Baltimore |
| Unionsbru Haidhausen | Mnchen, Germany |
| Unita Brewing | Salt Lake City, Utah |
| United Breweries Limited | Bangalore, India |
| United Dutch Breweries B.V. | Breda, Netherlands |
| Unity Brewing Co. / Weathered Souls Brewing Co. | |
| Unity Vibration | Ypsilanti, Michigan |