This is a list of law enforcement agencies in the state of Maryland.
According to the U.S. Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 142 law enforcement agencies employing 16,013 sworn police officers, about 283 for each 100,000 residents.
State agencies
Maryland Capitol Police
Maryland Department of Health and Mental Hygiene Police
Maryland Department of Labor Police
Maryland Natural Resources Police
Maryland Motor Vehicle Administration Police Department
Maryland Office of the Comptroller
Maryland State Police
Maryland State Fire Marshal
Maryland Transit Administration Police
Maryland Transportation Authority Police
Washington Suburban Sanitary Commission Police
Maryland Department of Public Safety and Correctional Services
County agencies
Municipal agencies
University agencies
Law enforcement units within fire agencies
Annapolis Fire Department - Office of the Fire Marshal
Bomb Squad
Anne Arundel County Fire Department - Office of the Fire Marshal
Montgomery County Fire and Rescue Service - Fire & Explosive Investigations
Bomb Squad
Prince George's County Fire/EMS Department - Office of the Fire Marshal
Bomb Squad
Howard County Department of Fire and Rescue Services - Office of the Fire Marshal
City of Hagerstown Fire Department - Office of the Fire Marshal
Ocean City Fire Marshal Office
Bomb Squad
Other agencies
Aberdeen Proving Ground Police
Amtrak Police
CSX Railroad Police
Federal Protective Service
Fort Detrick Police
Fort Meade Police
Gibson Island Police
Maryland-National Capital Park Police
Metro Transit
National Institutes of Health Police
National Institute of Standards and Technology Police
National Security Agency Police
Office of the United States Marshal for the District of Maryland
United States Naval District of Washington Police - Naval Support Activity - Annapolis & US Naval Academy
United States Park Police
United States Special Investigation Service
National Park Service Ranger (Law Enforcement)
United States Coast Guard Police Department, Baltimore
United States Department of Veterans Affairs Police
United States Naval District of Washington Police - Naval Support Activity - Bethesda
United States Naval District of Washington Police - Naval Support Facility - Indian Head
United States Naval District of Washington Police - Naval Air Station - Patuxent River
Naval Criminal Investigative Service
United States Army Criminal Investigations Division Command
Defunct agencies
Housing Authority of Baltimore City Police Force
Baltimore City Park Police
Barton Police Department
Charlestown Police Department
Chesapeake Beach Police Department
Clear Spring Police Department
Emmitsburg Police Department
Goldsboro Police Department
Kitzmiller Police Department
Leonardtown Police Department
Lonaconing Police Department
Luke Police Department
North Beach Police Department
New Windsor Police Department
Port Deposit Police Department
Sparrows Point Police Department
Trappe Police Department
Union Bridge Police Department
Westernport Police Department
Williamsport Police Department
Willards Police Department
Woodland Beach Police Department
Allegany County Bureau of Police
Naval Station Annapolis Police Department (Merged with US Naval Academy PD to form NDW - NSA-Annapolis)
US Naval Academy Police Department (Merged with NAVSTA Annapolis PD to form NDW - NSA-Annapolis)
See also
Maryland Department of Public Safety and Correctional Services