- Frederick Stearns and Co.1
- Gero Products, Inc.1
- Gotham Aseptic Laboratories1
- H. L. Johnson & Co.1
- Halitosine Co.1
- Hampton Manufacturing Co.1
- Hygenol Co.1
- John I. Wean1
- John W. Harris1
- Keith Victor Pharmacal Co., St. Louis, Mo.1
- L. N. LeBold & Co.1
- Lois Swarzentruber and Venita Smith, trading as Dr. Fenton's Vigortone Co., Cedar Rapids, Iowa1
- Maltbie Chemical Co.1
- National Package Drugs, Inc.1
- New Aseptic Laboratories, Inc.1
- Oxford Products, Inc.1
- Parke, Davis and Co.1
- Peerless Pharmacal Co.1
- Plough Sales Corporation1
- S. B. Penick & Co.1