The 10 Most Popular Fast Food Chains in America

2-Subway

2011 U.S. sales: $11.4 billion

Number of locations: 24,722

Subway seems unstoppable, it is the perfect business, good product quality, easy to make and delicious. The “eat light” campaign gave them a 7.5% increase in profits, and they opened 872 new locations last year alone. Get ready McDonald’s, they are after you (though they have a long way to go)!

Subway