- Henry A. Buerkle, t/a Buerkle Drugs, West Frankfort, Ill.1
- J. W. Clayton Co.1
- Jack Anderson, Olmsted, Ill.1
- Knapp-Sherrill Co.1
- Louis L. Muentefering, t/a Louis L. Muentefering Druggist, East St. Louis, Ill.1
- McDowell Farmers Elevator Co.1
- Morristown Canning Co., Inc.1
- Pen-Yu Drug, Inc., West Frankfort, Ill., and Victor M. Penrod (president) and Ralph J. Yucus (secretary-treasurer).1
- Penick & Ford, Ltd., Inc.1
- Pioneer Hi-Bred Corn Co. of Illinois, a corporation, Princeton, Ill.1
- Preston Rider Packing Co.1
- Ravarino & Freschi, Inc.1
- Robert Gaffner Co. (a corporation), Olney, Ill., and Robert L. Blackburn (president), Robert C. Edwards pharmacist), and Charles A. Webster (pharmacist).1
- Schaefer Feed Co., East St. Louis, Ill., and Robert W. Schaefer, president1
- Scroggins Grain Co.1
- Standard Brands, Inc.1
- Sugar Creek Creamery Co.1
- Sweney Bros. & Co. (a partnership), Salem, Ill., and A. J. Sweney and Lee Harper Sweney (partners).1
- Swift & Co.1
- Trenton Milling Co.1
