Which restaurant focuses more on just pizza, Valentino's and Imo's Pizza?
Imo's Pizza Imo's Pizza is a U.S. chain of pizza restaurants based in the greater St. Louis, Missouri area. It is headquartered in St. Louis, Missouri.
Papa John's Pizza Papa John's Pizza is an American restaurant franchise company. It runs the third largest take-out and pizza delivery restaurant chain in the United States, with headquarters in Jeffersontown, Kentucky, a suburb of Louisville.