- Hall's Canker Remedy.1
- Hance Bros. & White Co., a partnership, Philadelphia, Pa.1
- Intra Products Co.1
- J. L. Hopkins & Co., a corporation, Brooklyn, N. Y.1
- James F. Ballard, Inc.1
- John Wyeth & Brother, Inc.1
- Jones-Hague, Inc.1
- Konjola, Inc.1
- Lipoidal Laboratories.1
- Lock's Laboratories, New York, N. Y.1
- Lorr Laboratories1
- Master Laboratories1
- Northern District of Illinois, and Oxford Products, Inc.1
- Pynosol Laboratories, Inc., a corporation, Chicago, HI., Edwin G. Melich, and James J. Melich, president and secretary-treasurer1
- Radeeke & Co., Chicago, Ill.1
- Rubber Research Products Corporation, Hoboken, N. J.1
- Ruth Adams, trading as Drefs' Remedies, Buffalo, N. Y.1
- S. B. Leonardi and Co.1
- S. B. Massengill Co.1
- S. B. Penick & Co.1