- Chetek Equity Cooperative Produce Co.1
- Clarence A. Christy, a member of a partnership trading as Geo, A. Christy & Son, Crisfield, Md.1
- Clark Locy Sheppard, trading as C. L. Sheppard Sanatorium & Remedy Co.1
- Commercial Laboratories, Inc.1
- Crete Mills, Crete, Nebr.1
- Crezoin Chemical Co.1
- Dan Valley Mills, a corporation, Danville, Va.1
- De Leon Peanut Co.1
- Devore Manufacturing Co.1
- Direct Sales Co., Inc.1
- Dr. Salsbury's Laboratories1
- E. A. Zatarain & Sons, Inc.1
- Economy Hog & Cattle Powder Co.1
- Edward I. Lowell, New York, N.Y.1
- Ernest L. Keyser, trading as Keyser Chemical Co.1
- Ex-Lax Manufacturing Co.1
- F. A. Buttrey Co.1
- F. O. Renn Fruit Co.1
- F. P. Long & Co.1
- Famsworth & Ruggles1