| Amager Bryghus / Prairie Artisan Ale | Denmark |
| Amalgam | Denver |
| Amarcord Birra Artigianale | Italy |
| Amateurbrouwerij Stoop | Bergen op Zoom, Netherlands |
| Ambacht Brewing | Hillsboro, Oregon |
| ambachtelijke brouwerij | Belgium |
| Ambitious Ales | Long Beach |
| America's Brewing | Aurora, Illinois |
| American Honor Beer Company | Wilkes-Barre |
| American River Brewing | Auburn, California |
| American Sky Brewing | Hudson, Wisconsin |
| American Solera | Tulsa, Oklahoma |
| Amerisports Brew Pub | Kansas City, Missouri |
| Amherst Brewing Company | Amherst, Massachusetts |
| Amicas Pizza, Microbrews and More | Salida, Colorado |