Which operates in more states, Marion's Piazza or Mountain Mike's Pizza?
Marion's Piazza: Marion's Piazza is a pizzeria chain based in Dayton, Ohio. Marion's Piazza:  Established in 1965 by Marion Glass, the company currently operates 9 restaurants throughout the greater Dayton area. Mountain Mike's Pizza: Mountain Mike's Pizza is a chain of pizzerias mainly along the West Coast of the United States, primarily Northern California. Mountain Mike's Pizza:  They have additional locations in Nevada, Oregon, and Utah.
Mountain Mike's Pizza