Law Enforcement Agencies in Trenton, NJ NJ › Mercer County Agencies serving the city of Trenton in NJ. Agency Types in Trenton Adult Institutions 1 agencies Campus Police 1 agencies Child Support 1 agencies Conservation 1 agencies Coroners 1 agencies Federal 2 agencies Municipal Police 1 agencies Parole Probation 2 agencies Sheriff 1 agencies State Agency 3 agencies State Police 3 agencies All Agencies in Trenton, NJ Bureau of ATF Mercer County Department of Corrections Mercer County Department of Law & Public Safety Mercer County Department of Law & Public Safety Mercer County Department of Law & Public Safety Mercer County Division of Fish & Wildlife Mercer County Division of Parole Mercer County Mercer County Community College Mercer County Mercer County Sheriffs Office Burlington County New Jersey Judiciary Mercer County New Jersey Motor Vehicle Comm Mercer County New Jersey State Police Mercer County New Jersey State Prison Mercer County Office of Child Support Enforcement Mercer County Office of the Chief State Medical Exam Mercer County Trenton Police Department Mercer County US Secret Service Mercer County
