- Kaplan & Leune, New York, N. Y.1
- Kilkenny Co-Operative Creamery Association1
- Klossner Gibbon Creamery1
- L. F. Hersh & Bro., Elizabeth, N. J.1
- Land O Lakes Creamery, Inc.1
- Land O'Lakes Creameries (Inc.)1
- Land O'Lakes Creameries, Inc.1
- Land Osaka Creameries, Inc.1
- Larson Creamery Co.1
- Lewisville Farmers Creamery Association1
- Littlefork Co-op Creamery Assn., Inc.1
- M. Augenblick & Bros.1
- M. Klahr, Paterson, N. J.1
- M. Rosso1
- Manchester Coop. Creamery Co.1
- Manchester Creamery Association1
- Maple Island Farms1
- Meistrich & Goldenberg, Inc.1
- Meistrick & Goldenberg, Inc.1
- Meyer Feller, New Brunswick, N. J.1