- Douglas Laboratories, Inc., Boston, Mass., and Edward Y. Domina, president of the corporation.1
- Dr. B. J. Kendall Co.1
- Eberly-Williams Manufacturing Co.1
- Eliot Pharmacy, Inc., Boston, Mass., and Morris Wernick, treasurer of the corporation.1
- Everett Rubber Co.1
- Flanders-Day Co., a corporation, Boston, Mass.1
- Frank W. Lavoine, trading as the Lavoine Drug Co., Worcester, Mass.1
- Gary Drug Co., Inc., Boston, Mass., Jacob H. Raverby, president and treasurer of the corporation, and Tobias Levine, a pharmacist employed by the corporation.1
- George A. Dustin1
- Gero Products, Inc., South Boston, Mass., and Gregory S. Roisen, president of the corporation.1
- Goodrich & Love1
- Halitosine Co., St. Louis, Mo.1
- Heilkraft Medical Co., Inc., Boston, Mass., and William A. L. Junker, president and treasurer of the corporation.1
- Henry Perlmuter, trading as the Crystal Drug and Magnesia Co, and as the White-Stone Laboratories, Dorchester, Mass.1
- Hubbel Products, Corporation, Boston, Mass.1
- Irving Smith, trading as the Corner Drug Store, Boston, Mass., and Nathan Fleishman, a pharmacist.1
- Jacob Marcus, trading as the Shawmut Pharmacy, Boston, Mass.1
- James J. Kaplan, trading as the Diamond Drug & Magnesia Co.1
- James J. Kaplan, trading as the Diamond Drug & Magnesia Co., at Boston, Mass.1
- John C. Brown, Gustave Goerner, Merrill Sampson, Kenneth J. Gleason, and J. H. Gildard, as individuals and as associates under the name of The Goernersome Brownil Foundation Cell Laboratories, doing business at Middleboro, Mass.1