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

3) Subway (3 of 20)

3) Subway (3 of 20)

There may be a lot of controversy surrounding Subway as a brand, but the fast-food chain has remained as one of the leading sandwich in the United States and in the world. The company has continued to grow by leaps and bounds and has expanded all throughout the globe. The chain has also started making its menu a lot more health conscious, in order to attract customers.