- Bertie Peanut Co., Inc.1
- Bewley Mills1
- Blumenthal Brothers1
- Bob Hofeller Products Co.1
- C. A. Curtze Co.1
- C. G. Dash, a partnership, Rocky Ford, Colo.1
- Calavo, Inc.1
- California Bean Growers Assoc.1
- California Fruit Chimes Co.1
- California Raisin Co.1
- Carolina Paprika Mills1
- Casebolt Biscuit Co.1
- Central Popcorn Co.1
- Chain of Lakes Duck Farm1
- Chandler Laboratories1
- Chicago Macaroni Co.1
- Clarksville Packing Co.1
- Clyde Collins, Inc.1
- Congress Candy Co., a partnership, Grand Forks, N. Dak., and Armin F. Rohde, manager1
- Consolidated Fisheries Co.1