| Abridged Beer Company | 100 Lockett Rd | Knoxville | Tennessee | 37919-4807 | United States | brewpub | |
| Absolution Brewing Co | 2878 Columbia St | Torrance | California | 90503-3808 | United States | micro | |
| Absolution By the Sea | 7536 Fay Ave | La Jolla | California | 92037-4839 | United States | brewpub | |
| Accomplice Beer Company | 115 W 15th St | Cheyenne | Wyoming | 82001-4564 | United States | brewpub | |
| Acidulous Brewing Company | 6712 S Independence St | Littleton | Colorado | 80128-4046 | United States | contract | |
| Acopon Brewing Co | 211 W Mercer St | Dripping Springs | Texas | 78620-5363 | United States | micro | |
| Acorn Brewing | 2105 Meridian Ave E | Edgewood | Washington | 98371 | United States | micro | |
| Acoustic Ales Brewing Experiment | 1795 Hancock St Ste P1 | San Diego | California | 92110-2006 | United States | closed | |
| Actual Brewing Company, LLC | 655 N James Rd | Columbus | Ohio | 43219-1837 | United States | micro | |
| Adam's Northwest Bistro / Twin Rivers Brewing | 104 N Lewis St | Monroe | Washington | 98272-1502 | United States | closed | |
| Adelbert's Brewery LLC | 2314 Rutland Dr Ste 100 | Austin | Texas | 78758-5273 | United States | micro | |
| Adirondack Pub and Brewery | 33 Canada St | Lake George | New York | 12845-1603 | United States | micro | |
| Adirondack Toboggan Company Microbrewery | 202A W Main St | Gouverneur | New York | 13642-1334 | United States | micro | |
| AdMerk Corp. Inc. | 20 F St NW | Washington | District of Columbia | 20001-6700 | United States | contract | |
| Adobe Creek Brewing Company | 67 Galli Dr Ste E | Novato | California | 94949-5718 | United States | micro | |
| Adroit Theory Brewing Company | 404 Browning Ct Unit C | Purcellville | Virginia | 20132-6171 | United States | micro | |
| Adventure Brewing Co | 33 Perchwood Dr Ste 101 | Fredericksburg | Virginia | 22405-4552 | United States | micro | |
| Adventure South | 3300 Dill Smith Dr | Fredericksburg | Virginia | 22408-7319 | United States | brewpub | |
| Aero Craft Brewing | | Denver | Colorado | 80212-2199 | United States | planning | |
| Aero Plains Brewing | 117 N Handley St | Wichita | Kansas | 67203-6114 | United States | micro | |
| Aeronaut Brewing Company | 14 Tyler St | Somerville | Massachusetts | 02143-3224 | United States | micro | |
| Aftershock Brewing Co | 28822 Old Town Front St Ste 107 | Temecula | California | 92590-2893 | United States | micro | |
| Afterthought Brewing Company | 844 N Ridge Ave | Lombard | Illinois | 60148-1215 | United States | micro | |
| Against the Grain Beer Garden | | Louisville | Kentucky | 40217 | United States | planning | |
| Against the Grain Brewery | 401 E Main St | Louisville | Kentucky | 40202-1110 | United States | micro | |
| Against the Grain Production Facility | 1800 Northwestern Pkwy | Louisville | Kentucky | 40203 | United States | micro | |
| Agonic Brewing Company LLC | | Rice Lake | Wisconsin | 54868-8786 | United States | planning | |
| Agrarian Ales, LLC | 31115 W Crossroads Ln | Eugene | Oregon | 97408-9220 | United States | closed | |
| Ahnapee Brewery | N9153 Cherry Tree Rd Apt 4 | Algoma | Wisconsin | 54201-9501 | United States | micro | |
| Aigean Ales | 250 Commercial St Ste 2001 | Manchester | New Hampshire | 03101-1165 | United States | closed | |
| Aiken Brewing Co | 140 Laurens St SW | Aiken | South Carolina | 29801-3848 | United States | brewpub | |
| Airline Brewing Company | 22 Mill Ln | Amherst | Maine | 04428 | United States | micro | |
| Airways Brewing Co | 8611 S 212th St | Kent | Washington | 98031-1910 | United States | micro | |
| Airways Brewing Co. Bistro & Beer Garden | 320 W Harrison St | Kent | Washington | 98032-4476 | United States | brewpub | |
| Akademia Brewing Company | 150 Crane Dr | Athens | Georgia | 30606-0600 | United States | brewpub | |
| Akasha Brewing Company | 909 E Market St Ste 700 | Louisville | Kentucky | 40206-1688 | United States | micro | |
| Akronym Brewing LLC | 58 E Market St | Akron | Ohio | 44308 | United States | micro | |
| Akwesasne Mohawk Casino Resort | | Akwesasne | New York | 13655-1800 | United States | planning | |
| Al. Ringling Brewing Co | 623 Broadway St | Baraboo | Wisconsin | 53913-2513 | United States | micro | |
| Alameda Brewing Co | 4736 SE 24th Ave | Portland | Oregon | 97202-4787 | United States | micro | |
| Alameda Brewing Co | 4765 NE Fremont St | Portland | Oregon | 97213-1724 | United States | micro | |
| Alameda Island Brewing Company | 1716 Park St | Alameda | California | 94501-1416 | United States | micro | |
| Alamo Beer Co | 415 Burnet St | San Antonio | Texas | 78202-1909 | United States | micro | |
| Alarmist Brewing Co | 4055 W Peterson Ave Ste REAR | Chicago | Illinois | 60646-6072 | United States | micro | |
| Alaro Craft Brewery | 2004 Capitol Ave | Sacramento | California | 95811 | United States | brewpub | |
| Alaskan Brewing Co. | 5429 Shaune Dr | Juneau | Alaska | 99801-9540 | United States | regional | |
| Albia Brewing Co | 11 Benton Ave E | Albia | Iowa | 52531-2032 | United States | brewpub | |
| Albion Malleable Brewing Company | 420 S Superior St | Albion | Michigan | 49224 | United States | brewpub | |
| Albright Grove Brewing Company | | Townsend | Tennessee | 37882 | United States | planning | |
| Alcatraz Brewing | 20 Ocean Vista Ln | Palm Coast | Florida | 32137-2743 | United States | micro | |