- Farmers Creamery Assn. of De Smet1
- Grace E. Flittie, trading as Flittie Creamery1
- Henry L. Mickelson, trading as the Canton Creamery Co.1
- Hoelscher Creamery & Dairy, a partnership, Lennox, S. Dak.1
- Howard, Z. Johnson, trading as the South Shore Creamery Co.1
- Hubert L. Boecker, trading as the Boecker Creamery, Canova, S. Dak.1
- John E. Landsberger, trading as the Landsberger Creamery and Produce Co.1
- John Edward Landsberger, trading as Landsberger Creamery & Produce Co.1
- John Morrell & Co.1
- Kenneth H. Singsaas, trading as the Astoria Creamery1
- Langenfeld Dairy Products Co.1
- Milbank Creamery Corporation1
- Nicholas B. Bierschbach, trading as Nick's Produce Co.1
- Rosebud Creamery Co.1
- Scotland Creamery Co.1
- Spearflsh Cooperative Creamery Co., a corporation, Spearfish, S. Dak.1
- Steensland Oil & Produce Co.1
- Theodore I. Flittie, trading as Flittie Creamery1
- Tripp Co-operative Creamery Co.1
- Walter Hans Kruger, trading as Bruce Creamery and Bruce Creamery Co.1