Law Enforcement Agencies in South Wilmington, DE DE › New Castle County Agencies serving the city of South Wilmington in DE. Agency Types in South Wilmington Coroners 1 agencies Federal 3 agencies Harbor Police 1 agencies Municipal Police 1 agencies Parole Probation 1 agencies Probation Pretrial 1 agencies Railroad Police 1 agencies Sheriff 1 agencies All Agencies in South Wilmington, DE AMTRAK Natl RR Passenger Corp New Castle County Board of Parole New Castle County Bureau of ATF New Castle County DE State Medical Examiner Office New Castle County New Castle County Sheriffs Office New Castle County Port of Wilmington New Castle County US Marshals Service New Castle County US Probation & Pretrial Services Office New Castle County US Secret Service New Castle County Wilmington Police Department New Castle County
