Law Enforcement Agencies in Harlem, MO MO › Clay County Agencies serving the city of Harlem in MO. Agency Types in Harlem Federal 3 agencies Municipal Police 1 agencies Port Of Entry 1 agencies All Agencies in Harlem, MO Bureau of ATF Clay County Bureau of ATF Clay County Homeland Security Investigations (HSI) Clay County North Kansas City Police Department Clay County Port of Entry Clay County
