Denny's Corporation, primarily through its subsidiary Denny's, Inc., operates and owns a chain of full-service eateries under the renowned Denny's brand. As of December 29, 2021, its worldwide portfolio included 1,640 locations, a mix of franchised, licensed, and company-owned establishments. Established in 1953, the company is based in Spartanburg, South Carolina, and officially became Denny's Corporation in 2002, having previously been known as Advantica Restaurant Group, Inc.