- Bedwell Laboratories, a corporation, Los Angeles, Calif.1
- Belem Products Co.1
- Bleything Laboratories, a corporation at Los Angeles, Calif.1
- Boss-Whitney Corp., trading as the Heart Pharmaceutical Co. of California, Los Angeles, Calif., Louis M. Mills, president, and Robert C. Whitney, secretary-treasurer of the corporation.1
- Byrne Products, Inc., from New York, N. Y.1
- California Pharmacal Co., a corporation, Los Angeles, Calif., and Augustin J. Bellport, Jr., president, and Herbert C. Skinner, vice-president.1
- Capillis, Inc.1
- Cecil S. Goldberg, trading as the Abbey Products Co., Los Angeles, Calif.1
- Charles Merritte Pierce, trading as Pierce's Slant Health Board, at Burbank, Calif.1
- Chester Walker Colgrove, trading as the Colusa Remedy Co., Los Angeles, Calif.1
- Cleo O. Bedwell, president of the Coast Chemical Co., a corporation, Los Angeles, Calif.1
- Colestin Mineral Water Co.1
- Columbus Pharmacal Co.1
- Crawford Foods, Inc., Eagle Rock, Calif., and Harry A. Crawford1
- David Clarence Overpeck, trading as Thoro Sales Service at Los Angeles, Calif.1
- Dr. Albert Thurlow Hunt, Los Angeles, Calif.1
- Dr. E. K. Moras1
- Dr. J. H. Dye Medical Co.1
- Dr. Pierre A. Boncquet, trading as Dr. P. A. Boncquet Products, Los Angeles, Calif.1
- E. Tosse and Co.1