Merrimack Police Departments List by Name
- Allenstown Police Department
- Andover Police Department
- Boscawen Police Department
- Bow Police Department
- Bradford Police Department
- Concord Police Department
- Concord* Police Department
- Division of Fire Safety
- Division of Motor Vehicles
- Division of Safety Services
- Franklin* Police Department
- Henniker* Police Department
- Hooksett Police Department
- Law Enforcement Division/Conservation Officers
- Loudon Police Department
- Loudon* Police Department
- Merrimack County Sheriff's Office
- New Hampshire Bureau of Liquor Enforcement
- New Hampshire Department of Corrections
- New Hampshire Department of Safety
- New Hampshire Division of State Police
- New Hampshire Fish and Game Department
- New Hampshire Highway Patrol
- New Hampshire Hospital State Office Park South Campus Police Department
- New Hampshire State Fire Marshal's Office
- New Hampshire State Park Rangers
- New Hampshire State Parks
- New London Police Department
- Pembroke Police Department
- Pittsfield Police Department
- Warner Police Department