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Are You Looking for Security Systems & Services in Maryland?

Explore 56 security businesses across Maryland, including Baltimore, Beltsville and Hanover, offering alarm systems, monitoring and protection services. Read customer reviews, check service coverage and contact suitable providers about estimates.
Baltimore (10)
Bel Air (1)
Beltsville (3)
Bethesda (2)
Bowie (1)
Catonsville (1)
Chestertown (1)
Clinton (1)
Crofton (2)
Derwood (1)
District Heights (1)
Elkridge (1)
Finksburg (1)
Glen Burnie (1)
Greenbelt (1)
Hagerstown (2)
Halethorpe (1)
Hanover (3)
Jessup (1)
Kensington (1)
Lanham (1)
Laurel (1)
Lothian (1)
Middle River (2)
Olney (1)
Owings Mills (2)
Parkville (1)
Phoenix (1)
Pikesville (1)
Potomac (1)
Rockville (1)
Thurmont (1)
Towson (1)
Upper Marlboro (3)
Waldorf (1)
Walkersville (1)
2 reviews
HS Technology Group
33 Years
Emergency
2 reviews
We offer 30+ years of experience in technology integration since 1993
HS Technology Group delivers advanced security, automation, and technology integration services for commercial and residential clients in Baltimore, MD, ensuring reliable, future-ready systems since 1993.
Commercial Security Home Automation Access Control
(888) 947-8476 Call Profile
Not rated yet
SMART Security Pros
10 Years
Emergency
Not rated yet
We utilize off-duty and retired law enforcement officers with extensive field experience.
Trusted security solutions in Washington DC, Maryland, and Virginia. SMART Security Pros offers armed guards, 24/7 video monitoring, and event protection with law enforcement-trained personnel.
Armed Security Unarmed Security Guards Video Surveillance
(301) 955-9782 Call Profile
Not rated yet
Main Line Protective Services
Emergency
Not rated yet
We offer 24/7 personalized customer support for urgent security needs
Main Line Protective Services offers professional armed/unarmed security services and certified training programs in Maryland, DC, and Virginia. With over 30 years of experience and veteran support initiatives.
Armed Security Unarmed Security CPR Training
(301) 772-3021 Call Profile
Not rated yet
Alexander Security Consultants
23 Years
Emergency
Not rated yet
25+ years of executive security leadership experience
Trusted security solutions provider serving Waldorf, MD and surrounding areas. Offering armed guards, investigative services, and advanced surveillance systems since 2003.
Armed/Unarmed Guards Retail Loss Prevention Investigative Services
(301) 645-3400 Call Profile
Not rated yet
Advantage Sentencing
32 Years
Emergency
Not rated yet
28 years of specialized experience in court-ordered monitoring since 1994
Trusted home detention solutions since 1994. Offering SCRAM alcohol monitoring, GPS tracking, and court-compliant home monitoring services across Maryland and nationwide.
Home Monitoring Alcohol Monitoring GPS Tracking
(410) 832-1717 Call Profile
Not rated yet
ICS Protection
Emergency
Not rated yet
75+ years combined law enforcement experience in security operations
Trusted security services in Baltimore offering armed/unarmed guards, mobile patrols, and customized security solutions for businesses and events across Maryland, DC, and Virginia.
Armed Security Unarmed Security Mobile Patrols
(410) 719-8796 Call Profile
Not rated yet
Fortius Security
22 Years
Emergency
Not rated yet
30 years of industry experience in commercial security solutions
Fortius Security offers cutting-edge commercial security solutions in Baltimore, including access control, CCTV, and 24/7 monitoring. Founded in 2004 by industry expert Rob Hood.
Access Control CCTV Solutions Fire Services
(410) 242-0105 Call Profile
Nasatka Barrier
50+ Years
Emergency
Not rated yet
Nasatka Barrier
50+ Years
Emergency
Not rated yet
Originators of the first crash-tested barrier systems in the US since 1975
Trusted provider of crash-tested vehicle barrier systems since 1975. Protecting government facilities, military bases, and critical infrastructure with K-rated security solutions including bollards, crash beams, and mobile barriers.
Vehicle Barriers Crash Beams Security Bollards
(301) 868-0300 Call Profile
Not rated yet
GQ Security Services
27 Years
Emergency
Not rated yet
We offer 50+ years of combined security expertise with veteran personnel
GQ Security Services offers 24/7 armed/unarmed guards, emergency response, and temporary security in Temple Hills, MD. Serving Washington DC since 1999 with certified professionals and CCTV systems.
Uniformed Guards Emergency Response Temporary Security
(301) 316-4170 Call Profile
Belmar Security
50+ Years
Emergency
Not rated yet
Belmar Security
50+ Years
Emergency
Not rated yet
60+ years of experience in electronic systems installation
Trusted provider of security systems, nurse call systems, and building automation solutions since 1953. Serving Baltimore area healthcare facilities, apartment communities, and commercial properties.
Security Systems Nurse Call Systems Telephone Systems
Profile