- Americus Oil Co.3
- Americus Oil Co., Americus, Ga.1
- Armando Velasquez1
- Armour & Co.1
- Arthur M. Prevatt, trading as Prevatt & Co.1
- Arthur Rubin, trading as Arbin Products, Miami, Fla.1
- Ashburn Peanut Co.1
- Asheville Medicine Co., Asheville, N.C.1
- Asheville Medicine Co., successors to the Garren Medicine Co.1
- Aspegren Fruit Co.2
- Aspironal Laboratories, Atlanta, Ga.1
- Atlantic Coast Distilling Co.1
- Atlantic Coast Fisheries Co.1
- B. F. Lawson1
- B. Lloyd1
- Baker & Co.1
- Ballard Fish and Oyster Co.1
- Bankston-Edwards Canning Co.1
- Bateman Canning Co.1
- Baumer Foods, Inc.1