Built and owned by the City of Ontario, Citizens Business Bank Arena is a state-of-the-art facility that hosts Ontario Reign ECHL ice hockey and other sporting competitions, concerts, family shows, and special events. The biggest and most modern arena within the Inland Empire, CB Bank Arena is the centerpiece of Piemonte at the Ontario Center, a massive mixed-use project, with large-scale office, retail, hotel, entertainment, and residential units.