- Better Wheat Foods Co.1
- Brookhaven Creamery Co.1
- C. A. Pearson, Inc.1
- C. E. Smith, Oconto, Nebr.; W. J. Bailer, Merna, Nebr.; and N. B. Spencer, Morrill, Nebr.1
- C. Robert Kopp, Inc.1
- California Conserving Co, Inc.1
- California Conserving Co.1
- California Conserving Co., Inc.1
- California Supply Co.1
- California Vineyards Co.1
- Cannon S. Wray1
- Center Milk Products Co.2
- Chapin Bros.1
- Chas. L. Diven, Inc.1
- Cherry Growers Packing Co.1
- Coast Wineries, Inc.1
- Congoin Co.1
- Consolidated Dairy Products Co.1
- Cosimo Daniele1
- D. B. Scully Syrup Co.1