- Camilla Cotton Oil Co.1
- Capitol Bakers1
- Carroll County Farm Bureau Cooperative1
- Centennial Mills, Inc.1
- Charbonneau Packing Corp.1
- Charles Van Castle1
- Charm Cosmetics1
- Chicago Pickle Co., Inc.1
- Clark Foods1
- Clem Wholesale Grocer Co.1
- Coast Chemical Co.1
- Commerce Drug Co., Inc.1
- Continental Grain Co.2
- Continental Nut Co.2
- Crown Candy Co., Inc., Atlanta, Ga., Paul L. Dorn, president, and Joe H. Williams, secretary-treasurer1
- Cuda Co.1
- Dartell Laboratories.2
- Delmar Pharmacal Corp.2
- Denburg's Modern Bakery1
- Dr. E. H. Bronner & Associates.1