| Roost Brewery | Campbell, California |
| Rooster Fish Brewing Co | Watkins Glen, NY |
| Roosters | Ogden |
| Root + Branch | North Haven, Connecticut |
| Root Cellar Cafe / Darkside Fermentation | San Marcos, Texas |
| Roots Organic Brewing | Portland, Oregon |
| Roscoe Beer Co. | Roscoe, New York |
| Roses by the Stairs Brewing Company | Phoenix, Arizona |
| Roslags Näsby Bryggeri | Täby, Sweden |
| Roslyn Brewing Company | Roslyn, WA |
| Ross Valley Brewing | Fairfax, California |
| Ross' Cider | Milton |
| Roth Brewing Company | Raleigh, North Carolina |
| Rothaus Brauerei | Hartford, Wisconsin |
| ROTT. Brouwers | Rotterdam, Netherlands |