Tyson produces about one fifth of the beef, chicken, and pork sold in the United States. It is one of the largest U.S. marketers of chicken, beef and pork to retail grocers, broad line foodservice distributors and national fast food and full-service restaurant chains; fresh beef and pork; frozen and fully cooked chicken, beef and pork products; case-ready beef and pork; supermarket deli chicken products; meat toppings for the pizza industry and retail frozen pizza; club store chicken, beef and pork; ground beef and flour tortillas. It supplies Yum! Brands chains that use chicken, including KFC and Taco Bell, as well as McDonald's, Burger King, Wendy's, Wal-Mart, Kroger, IGA, Beef O'Brady's, small restaurant businesses, and prisons.