Mazzio's Corporation is the parent company of two restaurants: Mazzio's Italian Eatery an Zio's Italian Kitchen. Mazzio's began as a pizza parlor and is located throughout Oklahoma, Kansas, Texas, New Mexico, Iowa, Missouri, Arkansas, Tennessee, Mississippi, Georgia, and Illinois. It was first founded in 1961, when a young school teacher named Ken Selby opened a restaurant named The Pizza Parlor in Tulsa, Oklahoma. In 1965, Selby opened a second location and changed the name to Ken's Pizza. By 1975, there were more than 100 franchise locations in and around Oklahoma. Zio's Italian Kitchen is located in Colorado, Kansas, Oklahoma, Missouri, New Mexico and Texas.