State agencies

• Maryland Department of General Services Police
  Maryland Department of General Services Police
  The Maryland Department of General Services Police is responsible for protecting life and property at Maryland's Annapolis and Baltimore state office centers...
  
  
• Maryland Department of Health and Mental Hygiene Police
• Maryland Department of Labor, Licensing, and Regulation Police
• Maryland Department of Natural Resources
  Maryland Department of Natural Resources
  The Maryland Department of Natural Resources is a government agency in the state of Maryland charged with maintaining natural resources such as the 66 state parks, public lands, state forests, state waterways, wildlife and recreation areas....
  
  
  • Maryland Natural Resources Police
  • Maryland Park Service Rangers
• Maryland Motor Vehicle Administration Police
• Maryland Office of the Comptroller
  Maryland Office of the Comptroller
  The Maryland Office of the Comptroller is a state agency charged with the fiscal responsibilities of the state of Maryland. It is the state equivalent of the United States Internal Revenue Service.-Organization:...
  
  , Field Enforcement Unit
• Maryland State Police
  Maryland State Police
  The Maryland State Police is the official state police force of the state of Maryland. The Maryland State Police is headquartered at 1201 Reisterstown Road in the Pikesville CDP in unincorporated Baltimore County.-Organizational structure:...
  
  
  • Maryland State Fire Marshal
    Maryland State Fire Marshal
    The Maryland Office of the State Fire Marshal actively works in 17 of 23 Maryland counties. It works under the Department of State Police. The mission of the OSFM is "the protection of life and property from fire and explosion through the efforts of a diverse, highly trained and dedicated staff...
    
    
• Maryland Transit Administration Police
  Maryland Transit Administration Police
  The Maryland Transit Administration Police is the law enforcement branch of the Maryland Transit Administration directed to patrol public transportation and related facilities in and around the Baltimore, Maryland, area...
  
  
• Maryland Transportation Authority Police
  Maryland Transportation Authority Police
  The Maryland Transportation Authority Police is the second largest state law enforcement agency in Maryland and is charged with providing law enforcement services on Maryland Transportation Authority highways and facilities throughout the state of Maryland in addition to contractual services that...
  
  

County agencies

• Allegany County Bureau of Police
• Allegany County Sheriff's Office
  Allegany County Sheriff's Office (Maryland)
  The Allegany County Sheriff's Office is the primary law enforcement agency for Allegany County, Maryland. The ACSO is a nationally accredited law enforcement agency servicing and a population of 75,300.-History:...
  
  
• Anne Arundel County Police Department
• Anne Arundel County Sheriff's Office
• Baltimore County Police Department
• Baltimore County Sheriff's Office
• Calvert County Sheriff's Office
• Carroll County Sheriff's Office
  Carroll County Sheriff's Office (Maryland)
  The Carroll County Sheriff's Office is a law enforcement agency for Carroll County, MD. It services a population of 170,260 people within 449.13 square miles.-Organization:...
  
  
• Caroline County Sheriff's Department
  Caroline County Sheriff's Department (Maryland)
  The Caroline County Sheriff's Department is the primary law enforcement agency servicing 32,617 people within of Caroline County, Maryland.- History :...
  
  
• Cecil County Sheriff's Office

• Charles County Sheriff's Office
• Dorchester County Sheriff's Office
• Frederick County Sheriff's Office
• Garrett County Sheriff's Office
• Harford County Sheriff's Office
• Howard County Police Department
• Howard County Sheriff's Office
• Kent County Sheriff's Office
  Kent County Sheriff's Office (Maryland)
  The Kent County Sheriff's Office is the primary law enforcement agency servicing a population of 19,983 people within of jurisdiction within Kent County located on Maryland's eastern shore.-Organization:...
  
  
• Montgomery County Police Department
• Montgomery County Sheriff's Office
  Montgomery County Sheriff's Office (Maryland)
  The Mongomery County Sheriff's Office is a nationally accredited law enforcement agency and acts as the enforcement arm of the Montgomery County courts...
  
  

• Prince George's County Police Department
• Prince George's County Sheriff's Office
• Queen Anne's County Sheriff's Office
• St. Mary's County Sheriff's Office
• Somerset County Sheriff's Office
• Talbot County Sheriff's Office
• Washington County Sheriff's Office
• Wicomico County Sheriff's Office
• Worcester County Sheriff's Office

City agencies

• Aberdeen Police Department
• Annapolis Police Department
• Baltimore Police Department
  Baltimore Police Department
  The Baltimore Police Department provides police services to the city of Baltimore, Maryland and was officially established by the Maryland Legislature on March 16, 1853...
  
  
• Baltimore City Schools Police
• Baltimore City Sheriff's Office
• Baltimore City Watershed Rangers
• Barton Police Department
• Bel Air Police Department
• Berwyn Heights Police Department
• Bladensburg Police Department
• Bowie Police Department
• Capitol Heights Police Department
• Cheverly Police Department
• Colmar Manor Police Department
• Cottage City Police Department
• Crofton Police Department
• Cumberland Police Department
• District Heights Police Department
• Edmonston Police Department

• Elkton Police Department
• Fairmont Heights Police Department
• Forest Heights Police Department
• Frederick City Police Department
  Frederick, Maryland
  Frederick is a city in north-central Maryland. It is the county seat of Frederick County, the largest county by area in the state of Maryland. Frederick is an outlying community of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area, which is part of a greater...
  
  
• Frostburg City Police Department
• Gaithersburg Police Department
• Glenarden Police Department
• Greenbelt Police Department
• Hagerstown Police Department
• Havre de Grace Police Department
• Hyattsville Police Department
• Landover Hills Police Department
• La Plata Police Department
• Laurel Police Department
• Lonaconing Police Department
• Luke Police Department
• Morningside Police Department
• Mount Rainier Police Department
• New Carrollton Police Department

• North East Police Department
• Oakland Police Department
• Ocean City Police Department
  Ocean City Police Department (Maryland)
  The Ocean City Police Department is a full-service law enforcement agency providing police services to a population of 7,031 people within of the municipality of Ocean City, MD.-History:...
  
  
• Perryville Police Department
• Pokomoke City Police Department
• Port Deposit Police Department
• Ridgley Police Department
• Rising Sun Police Department
• Riverdale Park Police Department
• Rockville City Police Department
  Rockville City Police Department (Maryland)
  The Rockville City Police Department, in cooperation with the Montgomery County Police, is responsible for patrolling Rockville, the third largest city in the state of Maryland. The agency serves 55,213 people within of the municipality of Rockville, Maryland.-Organization:The current chief of...
  
  
• Salisbury Police Department
• Seat Pleasant Police Department
• Snow Hill Police Department
• Sykesville Police Department
• Takoma Park Police Department
• Thurmont Police Department
• University Park Police Department
• Upper Marlboro Police Department
• Westernport Police Department

University agencies

• Bowie State University, Department of Public Safety
• Coppin State University Police Department
• Frostburg State University Police Department
• Morgan State University Police Department
• Mount St. Mary's University, Department of Public Safety
• Prince George's Community College Campus Police Department
• Salisbury University Police Department

• Towson University Police Department
• University of Baltimore Police Department
• University of Maryland, Baltimore Police Department
• University of Maryland, Baltimore County Police Department
• University of Maryland, College Park Police Department

Other agencies

• Aberdeen Proving Ground Police
• Maryland-National Capital Park Police
  Maryland-National Capital Park Police
  The Maryland-National Capital Park Police is the law enforcement branch of the Maryland-National Capital Park and Planning Commission and has two divisions, one in Prince George's County and one in Montgomery County in Maryland...
  
  
• United States Coast Guard Police Department, Baltimore
• Department of Veterans Affairs
  United States Department of Veterans Affairs Police
  The United States Department of Veterans Affairs Police is the uniformed police service of the United States Department of Veterans Affairs, responsible for the protection of the VA Medical Centers and other facilities operated by United States Department of Veterans Affairs and its subsidiary...
  
  Maryland Healthcare System (VAMHCS) Police