Like HowStuffWorks on Facebook!

9 Most Successful Fast-Food Chains


4
Burger King

­ In December 1954, James McLamore and David Edgerton opened the first Insta Burger King in Mia­mi, Florida. The restaurant was based on an assembly line production system inspired by a visit to the McDonald brothers' hamburger stand. Today, Burger King has more than 11,000 restaurants in 65 countries. With an average annual income of $11.2 billion, the chain employs more than 340,000 employees and serves 11 million customers a day.