Law Enforcement Agencies in Harrisonville, MO MO › Cass County Agencies serving the city of Harrisonville in MO. Agency Types in Harrisonville County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Harrisonville, MO Cass County Jail Cass County Cass County Sheriffs Office Cass County Harrisonville Police Department Cass County
