KFC is the one of the most popular chicken restaurant chains across the world. Based in Birmingham, Ala., it specializes in Original Recipe, Extra Crispy, Kentucky Grilled Chicken and crispy. Additionally, it offers honey barbeque wings and chicken sandwiches, including the Double Down and the Doublicious. The firm operates more than 5,200 restaurants in the United States and more than 15,000 KFC outlets in 109 countries and territories around the world. KFC is part of Yum! Brands Inc., the world's largest restaurant company in terms of system restaurants, with more than 36,000 locations around the world.