- Drug Products Co., Inc., from Passaic, N. J.1
- Duncan Co., a partnership, trading under the name of the Dee-Lay Co., at Oklahoma City, Okla.1
- Endo Products, Inc., from Richmond Hill, N. Y.1
- Etta H. Gehlen1
- Felix Hawkins, Jr.1
- Humphrey's Medicine Co., from New York, N. Y.1
- Hyland Laboratories, from Los Angeles, Calif.1
- Killashun Sales Division, Inc., from Akron, Ohio.1
- Killashun Sales Division, from Akron, Ohio.1
- Lawrence V. Devine, trading as the Lawrence Drug Co., at Kansas City, Mo.1
- Mentos Products Co., Inc., Philadelphia, Pa., and James Mento, president.1
- Moyer Brothers, a corporation, Bloomsburg, Pa., William V. Moyer, president, and J. Lewis Moyer, secretary-treasurer.1
- National Drug Co., from Philadelphia, Pa.1
- Plant Products Co., Inc., from Burbank, Calif.1
- Pyo-Gon Laboratories, from Los Angeles, Calif.1
- Research Laboratories, from Portland, Oreg.1
- Sherman Laboratories, from Detroit, Mich.1
- Sibert & Co., Inc., from Newark, N. J.1
- United Barbers Mfg. Supply Co., from Commercial Point, Ohio.1
- Weeks & Leo Co., Inc., from Des Moines, Iowa.1