Denny's Corp. operates as a family restaurant chain, which owns and operates Denny's restaurant brand. It provides breakfast, lunch and dinner including craveable burgers, sandwiches, salads and entrees. Read More The company also offers appetizers and desserts cater to the late-night crowd. It has various franchised, licensed, and company-owned restaurants across Canada, Costa Rica, Guam, Honduras, Mexico, New Zealand, Puerto Rico & the United States. The company was founded by Harold Butler and Richard Jezak in 1953 and is headquartered in Spartanburg, SC. The listed name for DENN is Denny's Corporation Common Stock.