- Charles C. Haskell & Co., Inc.1
- Charles Emmert1
- Charles H. Dietz, Inc.1
- Charles Killgore Co., Inc., Yonkers, N. Y.1
- Charles Roehm, trading as the Chumanie Medicine Co. at New Richmond, Ohio, and Detroit, Mich.1
- Chas. T. Morrissey, trading as Chas. T. Morrissey & Co.1
- Christensen Products Corporation1
- Clara A. Skey, trading as the Dr. J. H. Dye Medical Co., Buffalo, N. Y.1
- Clarksville Coop. Canning Assn., Inc.1
- Coe Sales Co.1
- Colter Corporation1
- Columbian Peanut Co.1
- Community Creamery Co.1
- Convenience, Inc.1
- Cuban Honey, Inc.1
- Cudahy Packing Co.1
- D. F. DeBernardi & Co.1
- D. J. Breaux ; Sexton Fish Co.1
- Dailey Mills, Inc.1
- Dairy Products Marketing Assn., Inc.1