- Dr. Fenton's Vigortone Co., a partnership, Cedar Rapids, Iowa.1
- E. Albert Singer, trading as Chain of Lakes Duck Farm, Barrington, Ill.1
- Eberly-Williams Manufacturing Co., a corporation, Chicago, Ill., and Lawrence M. Williams1
- Endo Products, Inc., Richmond Hill, N. Y.1
- Estro Chemical Co., inc., New York, N. Y., Joachim Anschel, and Morton G. Falk.1
- Famous Mineral Water Co., a corporation, Mineral Wells, Tex., and Howard Nevils, secretary and treasurer of the corporation.1
- Fred Marion Starr, trading as the Starr Medicine Co. at San Francisco, Calif.1
- Frederick Godfrey, Adams, N. Y.1
- George H. Lee Co.1
- Gero Products, Inc., South Boston, Mass., and Gregory S. Roisen, president of the corporation.1
- Gotham Aseptic Laboratory Co., Inc., from New York, N. Y.1
- Gotham Pharmaceutical Co., Inc., from Brooklyn, N. Y.1
- H. K. Drug Co., from Dubuque, Iowa.1
- Hance Bros. & White, Inc.1
- Harlow B. Boyle and Charles E. Boyle, partners, trading as Boyle & Co., Los Angeles, Calif.1
- Henry Wayne Pierce, also known as Horace Wayne Pierce, and Alice Pierce, Larimer, Colo.1
- Herman P. Doyle, Verne N. Seeley, and Fred D. Grantham, trading as the Hoyt Chemical Co. at Denver, Colo.1
- I. D. Russell Laboratories, from Kansas City, Mo.1
- I. L. Palmer1
- Joseph Borkovec, trading as the Federal Chemical Company, Willow Springs, Ill.1