Sonic Drive-In - Oklahoma's Official Travel & Tourism Site

Oklahoma Tourism and Recreation Department

Sonic breaking ground in Chicago - Chicago Business Journal

Sonic Corp. franchisee adds sustainability features to northwest Oklahoma City operation

SONIC DRIVE-IN, Shawnee - 4439 North Harrison St - Restaurant Reviews, Photos & Phone Number - Tripadvisor

SONIC DRIVE-IN, Norman - 17901 E. State Highway 9 - Restaurant Reviews, Photos & Phone Number - Tripadvisor

SONIC DRIVE-IN, Edmond - 16331 N. Pennsylvania - Photos & Restaurant Reviews - Order Online Food Delivery - Tripadvisor

SONIC DRIVE-IN, Tulsa - 1547 South Lewis - Photos & Restaurant Reviews - Order Online Food Delivery - Tripadvisor

How to Visit the First Sonic Drive-In in Stillwater, Oklahoma - Oklahoma Wonders

Sonic Drive-In is heating up a big Bay Area expansion - San Francisco Business Times

Oklahoma Sonic celebrates re-opening of the very first Sonic Drive-In

Sonic targets smaller communities in Texas and Oklahoma

SONIC DRIVE-IN - 46 Photos & 25 Reviews - 14800 S Sooner Rd, OKLAHOMA CITY, Oklahoma - Fast Food - Restaurant Reviews - Phone Number - Menu - Yelp

SONIC DRIVE-IN, Stillwater - 4425 West 6th St - Photos & Restaurant Reviews - Order Online Food Delivery - Tripadvisor

How to Visit the First Sonic Drive-In in Stillwater, Oklahoma - Oklahoma Wonders