- Herb Medicine Co.1
- John Oster Manufacturing Co.1
- Kotalko Sales Co.1
- L. B. Laboratories, Inc.1
- Lenmar Co.1
- Livestock Products Distributors, Kewanee, Ill.1
- Lockwood Laboratories1
- M. S. Walker, Inc.1
- Magnet Merchandise Co.1
- Mallinckrodt Chemical Works1
- Marman Products Co.1
- Martinsville Laboratories, Inc.1
- Moorman Manufacturing Co.1
- Odell Company1
- Oregon Forest Products1
- Parfum Levy Co.1
- Parker Medicine Co.1
- Pho-So-Ash Products Corporation, Kendallville, Ind.1
- Radcliffe's [Radcliffe Soya Products]1
- Royal Manufacturing Co. of Duquesne, Chicago, Ill., Kolomon Kovacs, Samuel S. Kovacs, and Martin Kovacs1