Institution
- John F. Jelke Company1
- John Morrell & Co.1
- Joseph Tetley & Co., Inc., New York1
- K. C. Baking Powder1
- K. C. Baking Powder, Chicago, Illinois1
- Kane and Harcus1
- Karo1
- Kemp's1
- Kewaskum Utensil Company1
- KingTaste1
- Kitchen Aid1
- Knox Gelatine1
- Knudsen Dairy Products1
- Kraft1
- Kraft-Phenix Cheese Corporation1
- La Rosa1
- Land O'Lakes1
- Laswon Seafood Market1
- Leonard1
- Libby's 100 Foods1