Institution
- Karo1
- Kemp's1
- Kerr Research and Educational Department1
- Kewaskum Utensil Company1
- KingTaste1
- Kitchen Aid1
- Knox Gelatine1
- Knudsen Dairy Products1
- Kraft1
- Kraft Foods Company1
- Kraft-Phenix Cheese Corporation1
- La Rosa1
- Land O'Lakes1
- Laswon Seafood Market1
- Leonard1
- Libby's 100 Foods1
- Library of Congress1
- Life Magazine1
- Lysol1
- Maine Development Commission1