- A. Molina1
- A. Smith1
- A. W. Colwell & Co.1
- Acme Poultry Corp.4
- Adams Apple Products Corporation1
- Adler's Creamery, Inc., Fort Plain, N. Y., Samuel Adler, Inc., New York, N. Y., and Samuel Adler, president of both corporations1
- Ady & Milburn, Inc.1
- Aetna Mills1
- Affiliated Bakers Co.2
- Affiliated Bakers, Inc.1
- Agar Poultry Corporation1
- Albert & Gerber1
- Albert Richards Co., Inc.1
- Albert W. Sisk & Son1
- Albertson Packing Co.1
- Alex Mersel & Son1
- Alex and Irene Eisenberg, trading as the Penn Blue Ridge Dairies1
- Alexander B. Stewart1
- Alford Terminal Warehouse and the Alford Refrigerated Warehouse1
- Allied Canners & Packers1