| Brewery | Location |
|---|---|
| Apocalypse Ale Works | Forest, Virginia |
| Apoth | Bend |
| Appalachian Brewing Company | Harrisburg, Pennsylvania |
| Appalachian Mountain Brewery | Boone |
| Äppelbo Bryggeri | Äppelbo |
| Appleton Brewing | Appleton, Wisconsin |
| Aquanaut Brewing Company | Chicago, Illinois |
| Arbor Brewing Company | Ann Arbor, Michigan |
| Arcade Brewery | Chicago, Illinois |
| Arcadia Brewing | Battle Creek, Michigan |
| Arch Brewing Company | |
| Archangel Ales | |
| Arclight Brewing Company | Watervliet |
| Arcobrau Grafliches Brauhaus | Moos, Germany |
| Ardent Craft Ales | Richmond |