A
- A. B. Company
- ACME Brewing Co. - Los Angeles
- ACME Brewing Co. - San Francisco
- Aberdeen Brewing Co.
- Aetna Brewing Co.
- Ajax Brewing Corp.
- Akron Brewing Co.
- Alabama Brewing Co.
- Albany Brewing Co.
- Alexandria Brewing Co.
- Alma Brewing Co.
- Alton Brewery, Alton Reck
- Alton Reck Brewing Co.
- Ambridge-Economy Brewing Co.
- Ambrosia Brewing Co.
- American Brewing & Malting Co. - MT
- American Brewing Assn. - TX
- American Brewing Co. - IN
- American Brewing Co. - LA
- American Brewing Co. - MO
- American Brewing Co. - NY
- American Brewing Co. of Pekin - IL
- American Brewery, Inc. - MO
- Amsdel Brewing Co.
- Amsterdam Brewing Co.
- Anaconda Brewing Co.
- Anderton Brewing Co.
- Angeles Brewing & Malting Co.
- Anheuser-Busch Brewing Assn.
- Anheuser-Busch, Inc.
- Antigo Brewing Co.
- Appleton Brewing & Malting Co.
- Arizona Brewing Co., Inc. - Phoenix
- Arizona Brewing Co. - Prescott
- Arnold & Co.
- Arnholdt-Schaefer Brewing Co.
- Ashland Bottling Works
- Ashland Brewing Co.
- Atlanta Brewing & Ice Co.
- Atlantic Co.
- Augusta Brewing Co.
- Aurora Brewing Co.
- Aztec Brewing Co.
