Defendants
- Dr. Fenton's Vigortone Co.1
- Dubuque Cooperative Dairy Marketing Association and Charles C. Kauffmann1
- Dubuque Wholesale Grocer1
- Eagle Flour Mills1
- East Chain Co-op. Creamery Assn.1
- Edgar Glenn Morse, trading as E. G. Morse1
- Elwood Canning Co.1
- Ethan Dairy Products1
- Ethan Dairy Products Co.1
- F. W. Brice & Son1
- Fall River Canning Co.1
- Farmer's Gin Co.1
- Farmers Cooperative Creamery Co.1
- Farmers Creamery Co.1
- Farmers Mutual Cooperative Creamery1
- Farmers Union1
- Fenn Brothers, Inc.1
- Forbes Brothers Central Mills1
- Frank J. Peterson, trading as the F. J. Peterson Co.1
- Frank Pilley & Sons, Inc.1