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Ambulance ServicesInfo 617-284-8300Dept of Public Health
Dam Safety PermitInfo/Apply Dept of Environ. Mngt
Detective Agencies978-538-6128State Police
Emergency Medical TechnicianInfo 617-753-8300Dept of Public Health
Firearm Safety InstructorInfo 978-538-6128State Police
FirearmsInfo Search Exec Office of Public Safety
Guard and Hearing Dog Businesses617-727-3000Dept of Agrigcultural Resources
LawyersInfo/Apply Search File Complaint Board of Bar Overseers
Private Detectives978-538-6128State Police
Security Guard Agencies978-538-6128State Police
Security System Contractors617-727-3200Dept of Public Safety
Weapons PermitsInfo Search File Complaint Exec Office of Public Safety