- C. A. Rooney1
- C. W. Derr Co., Inc.1
- Cargill, Inc.1
- Carter Fisheries, Keystone Fisheries, and Saskatchewan Fish Marketing Service1
- Charles Taylor & Son1
- Chester W. Karnacewicz, t/a Home Style Bakery, North Walpole, N. H.1
- Chicago Macaroni & Food Products Co.1
- City Elevator1
- Collins & Story, a partnership, Robbins, Calif., and George T. Story and Philip R. Collins, partners1
- Conservation Creameries, Inc.1
- Cooperstown Coop. Association1
- Corbett Canning Co., Inc.1
- Cultured Mushroom Industries, Inc., Seattle, Wash., and Arthur Thomas Lelles, president of the corporation1
- Cummings & Schooler Co.1
- D. Ulman & Sons1
- De Wein Grain Co.1
- Draper Food Products, Inc.1
- Dubl-Rich Products Co.1
- Erie Grain Co.1
- Establissements Blanchaud1