Breakfast is the most important meal of the day, especially at Gilster-Mary Lee. One of the largest private-label cereal manufacturers in the US (along with Ralcorp Holdings), Gilster-Mary Lee makes more than 8,000 products under 500 private labels, including breakfast cereal, cake, baking mixes, cocoa and other drink mixes, dinner mixes, pasta, and more. The company's customers include major US grocery chains and food wholesalers. The company also offers products under its own Hospitality brand name. Gilster-Mary Lee owns about 15 manufacturing operations located in Arkansas, Illinois, and Missouri. Its products are available worldwide.