- Albert Newberg, an individual, trading and doing business as A. Newberg & Co.1
- Alcibiades G. Psiaki, doing business under the name of Alco G. Psiaki Co., Brooklyn, N. Y.1
- Alfred C. Hoffman, trading as the Red Mill Drug Co.1
- Alfred C. Hoffman, trading as the Red Mill Drug Co. at Brooklyn, N. Y.1
- Alpha Aromatic Laboratories, a partnership, Brooklyn, N. Y., and Milton Ainbinder and Joseph Sirowitz, partners1
- Alphonse Bouchet, Marie Louise Pantiatichi and Stanley McIntosh, doing business under the name and style of P. Daussa & Co.1
- American Apothecaries Co., Inc., Long Island City, N. Y.1
- American Cyanamid & Chemical Corporation1
- American Druggists Syndicate1
- American Druggists Syndicate, a corporation, Long Island City, N. Y.3
- American Grocery Co.1
- American Home Foods, Inc.3
- American Institute of Trade1
- American Platinum Works1
- American Trading
Co.1
- Andrew J. Pontier1
- Andrew S. Day, trading as North Pacific Sea Foods Co.1
- Antonio Corrao Corp., Brooklyn, N. Y., Antonio Corrao, Paul Corrao, the Loumen Drug Co.1
- Antonio Rossi, Brooklyn, N. Y.1
- Apple Growers Assoc., Inc.1