- Mafoliata Corporation1
- Marshall Drug Co., from Philadelphia, Pa.1
- Marvin J. Jones, also known as Morgan Jones, trading as the Lewis Drug Store, Jackson, Ohio.1
- Mennen Co., from Newark, K J.1
- Newman Products Co., from Brooklyn, N. Y.1
- Oscillation Therapy Products Co., from New York, N. Y.1
- Parke, Davis and Co.1
- Peek & Velsor, Inc., from Jersey City, N. J.1
- Perfection Rubber Co., from Akron, Ohio.1
- Pro-Medico Laboratories, Inc.1
- Queen City Supply, Denver, Colo.1
- R. O. Kennedy, trading as the Kennedy Remedy Co., from Grants Pass, Oreg.1
- Richard Barrett, trading as the Figurene Co., Beverly Hills, Calif.1
- S. E. Massengill Co., from Bristol, Tenn.1
- Samuel Eugene Williams, trading as the Finley Medical Co., St. Louis, Mo.1
- Samuel R. Myerson, trading as Sulfa-Septic Products, Kansas City, Mo.1
- Snow Flake Axle Grease Co., from Boston, Mass.1
- Solex Laboratories, Inc., from Brooklyn and New York, N. Y.1
- Sutliff and Case Co., Inc., Peoria, Ill.1
- T-Lax Products Co., from Birmingham, Ala.1