Ralcorp Holdings is a manufacturer of various food products, including breakfast cereal, cookies, crackers, chocolate, snack foods, mayonnaise, pasta, and peanut butter. The company is based in St. Louis, Missouri. The majority of the items Ralcorp makes are private-label, store-brand products. It has over 9,000 employees. Ralcorp has its headquarters in the Bank of America Plaza in downtown St. Louis.