20. Dairy Queen
Locations: More than 6,400 locations throughout the United States, Canada and 20 other countries.
Total Sales in the US: $3.2 billion
19. Buffalo Wild Wings Grill & Bar
Locations: Buffalo Wild Wings has more than 1,090 locations in the United States, Canada, Mexico, and Philippines, according to Market Watch.
Total Sales in the US: $3.2 billion
18. Little Caesars Pizza
Locations: Little Caesars Pizza has more than 3,600 locations in the United States, according to Nation's Restaurant News.
Total Sales in the US: $3.4 billion
17. Chili's Grill & Bar
Locations: Chili's has 1,269 U.S. locations, according to Nation's Restaurant News.
Total Sales in the US: $3.6 billion
16. Olive Garden
Locations: Olive Garden has more than 800 restaurants worldwide.
Total Sales in the US: $3.8 billion
15. Sonic America's Drive-In
Locations: Sonic has more than 3,500 restaurants in 44 states.
Total Sales in the US: $4 billion
14. Chipotle Mexican Grill
Locations: Chipotle has more than 1,800 restaurants, including 17 Chipotle restaurants outside the US, according to a press release from June 2015.
Total Sales in the US: $4.1 billion
13. Domino's
Locations: Domino's has 5,084 stores in the U.S., according to Real Money.
Total Sales in the US: $4.1 billion
12. KFC
Locations: KFC has more than 18,000 locations in 115 countries worldwide.
Total Sales in the US: $4.2 billion
11. Panera Bread
Locations: Panera has around 1,541 locations in 42 states, the District of Columbia, and Canada, according to Markets Daily.
Total Sales in the US: $4.3 billion
10. Applebee's Neighborhood Grill & Bar
Locations: Applebee's has around 2,011 restaurants in the United States, one United States territory and 15 foreign countries, according to Investor Newswire.
Total Sales in the US: $4.6 billion
9. Pizza Hut
Locations: Pizza Hut has more than 6,300 locations in the United States, according to The Christian Science Monitor.
Total Sales in the US: $5.5 billion
8. Chick-fil-A
Locations: Chick-fil-A has approximately 2,000 locations in the United States, according to The Huffington Post.
Total Sales in the US: $5.7 billion
7. Dunkin' Donuts
Locations: Dunkin' has more than 8,000 restaurants in 41 states and the District of Columbia.
Total Sales in the US: $7.2 billion
6. Taco Bell
Locations: Taco Bell has around 6,000 locations in the U.S., according to Bloomberg.
Total Sales in the US: $8.2 billion
5. Wendy's
Locations: Wendy's had a total of 6,515 restaurants worldwide at the end of 2014, according to CNN Money.
Total Sales in the US: $8.6 billion
4. Burger King
Locations: Burger King has more than 7,155 worldwide locations, according to Nation's Restaurant News.
Total Sales in the US: $8.6 billion
3. Subway
Locations: Subway has 27,049 stores in the United States.
Total Sales in the US: $12.3 billion
2. Starbucks Coffee
Locations: Starbucks has 12,233 locations in the United States.
Total Sales in the US: $13 billion
1. McDonald's
Locations: McDonald's has about 14,300 United States locations, according to The New York Times.
Total Sales in the US: $35.4 billion