- George R. Thurman, trading as Sun-O-Ray Products, St. Louis, Mo.1
- Gliatta Laboratories, Inc., St. Charles, Mo.1
- Gomco Surgical Manufacturing Corporation from Buffalo, N. Y.1
- H. Carstens Manufacturing Co.1
- Hampton Manufacturing Co.1
- Harry Eosenbloom, trading as Rosenbloom Cut Rate Drugs, St. Louis, Mo.1
- Harry Kaplan, a pharmacist for Fienup's Drug Co., St. Louis, Mo.1
- Harry W. Schaum Drug Co., a partnership, St. Louis, Mo., and Harry W. Schaum and Howard H. W. Schulze, partners and pharmacists.1
- Herman D. Seekamp, trading as the Sinu-Vita Co., St. Louis, Mo.1
- Homer McCracken, trading as the McCracken Drug Store, St. Louis, Mo.1
- Hugo Heinrich Julius Schaefer, an individual trading as the American Research Laboratories and as the Schaefer Biological Laboratories, St. Louis, Mo.1
- J. L. Hopkins & Co.1
- Jack Golder, trading as Pine Lawn Cut Rate Drugs, at Pine Lawn, Mo.1
- James E. Neels, a pharmacist for Neels Drugs, St. Louis, Mo.1
- James V. Cockrum, secretary and pharmacist, and Clyde Frick and Alfred Hoffman, pharmacists, for the corporation.1
- John Frederick Borth, Jr., manager and pharmacist for Borth's Rexall Drug Store, (Poplar Bluff, Mo.)1
- John Frederick Borth, Sr., manager of the Martin Drug Co., Poplar Bluff, Mo.1
- Kalis Products1
- Major Vitamins, Inc.1
- Morris Dunn, trading as the Dunn Drug Store, St. Louis., Mo.1