Institution
- J. P. Dieter Company, Chicago, Illinois1
- Jacques Mfg. Co., Chicago, Illinois1
- Joan of Arc1
- John Behrmann Inc1
- John F. Jelke Company1
- John Hancock Mutual Life Insurance 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
- Kerr Research and Educational Department1
- Kewaskum Utensil Company1
- KingTaste1
- Kitchen Aid1
- Knox Gelatine1
- Knudsen Dairy Products1
- Kraft1