| Brewery | Location |
|---|---|
| Aksarben Brewing (BOP) | Omaha, Nebraska |
| Aktienbrauerei Kaufbeuren | Kaufbeuren, Germany |
| Alameda Brewhouse | Portland, Oregon |
| Alamo Brewery | San Antonio |
| Alaskan Brewing Co. | Juneau, Alaska |
| Alaus Darykla Kalnapilis | Panevys, Lithuania |
| The Alchemist | Waterbury, Vermont |
| Alchimiste Microbrasserie | Joliette, Canada |
| Aldaris | Rga, Latvia |
| Aldi | |
| Aldus Brewing Company | Hanover |
| The Ale Apothecary | Bend |
| Ale Asylum | Madison, Wisconsin |
| Ale Industries | |
| Ale Syndicate Brewers | Bedford Park |