Law Enforcement Agencies in Frederick, MD MD › Frederick County Agencies serving the city of Frederick in MD. Agency Types in Frederick Campus Police 2 agencies County Jails 1 agencies Municipal Police 1 agencies National Park 1 agencies Sheriff 1 agencies State Police 2 agencies All Agencies in Frederick, MD Frederick Community College Frederick County Frederick County Adult Detention Center Frederick County Frederick County Sheriffs Office Frederick County Frederick Police Department Frederick County Hood College Frederick County Maryland State Police Frederick County Maryland State Police Frederick County Monocacy National Battlefield Frederick County
