- Dairy Chemical Co.1
- Darrell A. Parsons, trading as the Parsons Creamery & Locker Co.1
- David B. Sorensen, trading as Sorensen Creamery1
- David D. Sorensen, trading as Sorensen Creameries, Big Stone City, S. Dak.1
- David D. Sorensen, trading as Sorensen Creamery, Big Stone City, S. Dak.1
- Delco (Delico) Meat Products Co.1
- Dently D. Sorensen, trading under the firm name Sorensen Creameries, Big Stone City, S. Dak.1
- Dimock Dairy Products Co.1
- Dwan's Home Canned Products1
- Elmer E. Schultz, trading as Gateway Farmer Creamery, Eureka, S. Dak.1
- Equity Union Creameries, Inc.1
- Eureka Creamery1
- Farmers Co-operative Creamery Co.1
- Farmers Creamery Assn. of De Smet1
- Fenn Brothers, Inc.1
- Fox Deluxe Foods, Inc.1
- George Byron Parsons, trading as Parsons Produce Co.1
- Goldsmith Pickle Co.1
- Grace E. Flittie, trading as Flittie Creamery1
- Gravette Canning Co.1