- California Conserving Co. Inc.1
- California Conserving Co., Inc.3
- California Packing Corp.2
- California Sanitary Co.1
- California Supply Co.3
- Central Market, Ltd., and A. M. Peters, Honolulu, Hawaii, and the Kern Preserving Co.1
- Charles C. Zatarain, trading as E. A. Zatarain & Sons, Inc.1
- Chef Boy-Ar-Dee Quality Foods, Inc.1
- Clement Pappas & Co.1
- Coast Fishing Co., Inc.1
- Columbia Conserve Co.1
- Columbia Conserve Co., Inc.2
- Crine Packing1
- Crosse & Blacker Co., Inc.1
- Crown Products Corporation3
- Cruikshank Bros.2
- Cruikshank Bros. Co.2
- Currie Canning Co.2
- D. Rizzo, Albion, N. Y.1
- Davis Canning Co.1