Sonic Drive-In
About SONIC Drive-In — operating as Sonic Corp. — is the largest drive-in fast-food restaurant chain in the United States, headquartered at 300 Johnny Bench Drive, Oklahoma City, Oklahoma 73104, operating as the “Inspire Brands Oklahoma City Support Center.” Sonic was founded in 1953 by Troy Smith Sr. in Shawnee, Oklahoma, when he converted a root beer stand — originally called “Top Hat Drive-In” — into a self-service drive-in with intercoms and carhops, introducing the iconic format that has defined the brand for over 70 years. The name “SONIC” was adopted in 1959. Sonic grew steadily through franchise expansion from its Oklahoma roots, reaching 3,600+ locations by 2018 and generating $4.4 billion in systemwide sales. In December 2018, Inspire Brands