Sales Strengthen in Second Fiscal Quarter Oklahoma City, OK  (Restaurant News Release)  Sonic Corp. (NASDAQ: SONC), the nation’s largest chain…

OKLAHOMA CITY  (Restaurant News Release)  Sonic Corp. (NASDAQ: SONC), the nation’s largest chain of drive-in restaurants, today announced results for…

OKLAHOMA CITY  (RestaurantNewsRelease.com)  Sonic Corp. (NASDAQ: SONC), the nation’s largest chain of drive-in restaurants, today announced that Leonard Lieberman has…

OKLAHOMA CITY  (RestaurantNewsRelease.com)  Sonic Corp. (NASDAQ: SONC), the nation’s largest chain of drive-in restaurants, today announced that Danielle Vona has…