| Nynäshamns Ångbryggeri | |
| Nynäshamns Ångbryggeri/Dogfish Head | |
| Nynäshamns Ångbryggeri/Ska Brewing | |
| Nøgne Ø | Grimstad |
| Nøgne Ø - Det Kompromissløse Bryggeri A/S | Grimstad, Norway |
| Nøgne Ø / Jolly Pumpkin Artisan Ales / Stone Brewing Co. | |
| Nøgne Ø / Terrapin Beer Co | |
| Nørrebro Bryghus | København, Denmark |
| Ô Quai des Brasseurs | Bécancour, Canada |
| O'clock Brewing | Bois-d'Arcy, France |
| O'Clock Brewing / Bakunin | |
| O'Connor Brewing Company | Norfolk, VA |
| O'Dempsey's | Atlanta |
| O'Fallon Brewery | O'Fallon, Missouri |
| O'Gara's Bar & Grill | Saint Paul, Minnesota |