- Capital Food Co., a partnership, Washington, D. C., and Dominic F. Antonelli and Enrico Torino, partners1
- Carew-Powers Co.1
- Carol Dryden & Co., Inc.1
- Charles B. Thomas, trading as the Vernon Milling Co.1
- Chitty & Co.1
- Chocolate Creations, Inc.1
- Clarence D. Davis, Inc.1
- Clarksville Canning Co.3
- Clyde Canning Co.2
- Coastal Freezing Plant1
- Colisseum Macaroni Co.1
- Colonial Stores, Inc.1
- Colorado Cheese Co., Inc.1
- Columbia Conserve Co., Inc.1
- Commercial Candy Mfg. Co.1
- Connecticut Bakers & Grocers Supply Co., Inc.1
- Coston Co., Inc.1
- Cresthaven Farms, Inc.1
- Crossfield Foods, Inc.4
- Cudahy Packing Co.1