| Adnams & Co. | Southwold, United Kingdom |
| Adroit Theory | Purcellville, VA |
| Aeronaut Brewing Company | Somerville, Massachusetts |
| Affligem Brouwerij | Opwijk, Belgium |
| Against the Grain & Brouwerij de Molen | Louisville, Kentucky |
| Against The Grain Brewery & Smokehouse | |
| Agassiz Brewing | Winnipeg, Canada |
| Agner & Wolf Brewery Corp. | Nashua, NH |
| Agrarian Hop Farm Ales | Springfield, Oregon |
| Agua Mala Cerveceria | Mexico |
| Ahnapee Brewing | Algoma, WI |
| Airways Brewing Company | Kent, Washington |
| Aksarben Brewing (BOP) | Omaha, Nebraska |
| Aktienbrauerei Kaufbeuren | Kaufbeuren, Germany |
| Alameda Brewhouse | Portland, Oregon |