The 20 Most Successful Fast Food Chains Of All Time In America

11) KFC (11 of 20)

11) KFC (11 of 20)

Another fast-food giant, KFC has definitely shown improvement, especially in the international markets where it has overhauled its marketing campaigns. It has managed to improve its reputation, after it was severely tarnished due to the food safety scares, which sees it fall outside of the top 10.