| Brewery | Location |
|---|---|
| Austin Street Brewery | Portland, Maine |
| Austin's Homebrew | Madison |
| Austmann bryggeri | Trondheim, Norway |
| Australian Brewing Corporation | Little River, Australia |
| Austri | Egilstađir , Iceland |
| Auval | Canada |
| Avant-Garde Artisans Brasseurs | Montreal |
| Avery Brewing Company | Boulder, Colorado |
| Avery Brewing/Russian River | |
| Aviator Ales, Inc | |
| Aviator Brewing Company | Fuquay Varina, North Carolina |
| Avondale Brewing | Birmingham, AL |
| Axes Castellum | |
| Ayinger Privatbrauerei | Aying, Germany |
| Aztec Brewing Company |