Which pizza chain, Cassano's Pizza King or Mazzio's is still in operation today?
Cassano's Pizza King: Cassano's Pizza King, currently operating under the brand Cassano's, is a pizzeria chain based in Kettering, Ohio, a suburb of Dayton. Mazzio's:  In November 2007, Zio's Italian Kitchen was sold to a private company.
Cassano's Pizza King