See all Casinos in Sioux City Sioux City for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Argosy Casino Sioux City, IA, USA About Penn National Gaming, Inc. is an operator of casinos and racetracks, based in Wyomissing, Pennsylvania. As of 2012, it owns and operates 26 facilities in 18 states, and manages one casino in Canada. Add to Wish List
