- Fowler Commission Co.1
- Frank B. Ritchey1
- Fred Wuethrich and Alfred Wuethrich, copartners, trading as Wuethrich Bros.1
- Frigidine, Inc.1
- G. S. Cheney Co., Inc.1
- G. Sallusto Co.1
- Gallia Laboratories, Inc.1
- Geo. C. Frye Co.1
- Gibson-Howell Co.1
- Gingasol Laboratories, Inc.1
- Greenville Products Co.1
- Harry Bartley Raymond, Los Angeles, Calif.1
- Hawkeye Creamery1
- Health Research Laboratories1
- Idaho Egg Producers, a corporation, Caldwell, Idaho1
- Independent Fruit Shippers1
- International Drug Co.1
- Irwin, Neisler & Co.1
- Isaac A. Ballard, trading as Ballard Golden Oil Co.1
- J. T. Baker Chemical Co.1