- Bethesda Mineral Spring Co., Waukesha, Wis.1
- Better Taste Popcorn Co.1
- Buffalo Cold Storage Co.1
- Case & Martin Co.1
- Central States Produce Corporation1
- Charles A, mil and Leon J, Hill, a partnership, trading as C. A. Hill & Son, Benton Llarbor, Mich.1
- Charles F. Bartlett Co.1
- Charles I. Cook, Menominee, Mich.1
- Charles I. Cook, trading and doing business as the Michigan Refining and Preserving Co., Menominee, Mich.1
- Charles I. Cook, trading under the firm name of Carpenter-Cook Co.1
- Charles W. Mixer, doing business under the name of Drs. Mixer, Hastings, Mich.1
- Chicago Food Products Co., Chicago, Ill.1
- Columbia Medical Laboratories1
- Commercial Candy Mfg. Co.1
- Cooper Canning Co.1
- Crack-A-Nut Co.1
- D & D Distributing Co.1
- Dairy Products Marketing Association1
- Daniel J. Coyne, Hancock, Mich.1
- Delicious Cookie Co.1