Originally opened as the Top Hat Drive-In in 1953, Sonic has grown into a burger-franchise mecca that today operates out of 3,500 locations across the country, making it the nation’s largest chain of drive-in restaurants. Sonic specializes in made-to-order American classics—including burgers, hot dogs, milk shakes, and marshmallow Ford Thunderbolts—which customers order and receive without ever having to leave their cars. Unique menu items include toaster sandwiches stacked on thick slices of texas toast, as well as the brand’s signature tots and fresh limeades.

Sonic’s numerous awards include a 2011 Zagat survey ranking it among the top five fast-food restaurants in three categories: Best Value Menu, Best Milk Shake, and Best Drive-Thru. The benevolent eatery has also donated more than $2 million to public schools throughout the country through their program Limeades for Learning, which helps to fund educational projects and retirement plans for classroom guinea pigs.

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