- A. M. Beebe Co.1
- A. M. Stevens1
- A. O. Kolberg, Mullen, Tex.1
- A. P. Varney1
- A. V. Taylor1
- A. W. Lowrie (Inc.)1
- A. W. Sisk & Son2
- Abe Cohen Co., Inc.1
- Abraham S. Brown, trading as the Cumberland Drug, Boston, Mass.1
- Acme Packing Co., Apalachicola, Fla.1
- Addison Packing Co.1
- Aeolian Importing Corp1
- Affiliated Bakers Co.1
- Affiliated Products, Inc.1
- Albany Food Products, Inc.1
- Albert & Gerber, New York, N. Y.1
- Albert Blank, trading as Eliot Square Pharmacy, Boston, Mass.1
- Albert H. Clark, trading as the Clark Medicine Co.1
- Albert H. Tessier, trading as the Handy Pad Supply Co., Worcester, Mass.1
- Albert P. Allen1