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Explore 35 Trusted Security System Providers Serving Maryland

Check the system options and available business details for 35 security providers across Maryland, including Baltimore, Bethesda and Gaithersburg. Read customer feedback, narrow your options and contact companies suited to your alarm or camera installation.
Baldwin (1)
Baltimore (3)
Bel Air (1)
Beltsville (1)
Bethesda (2)
Chestertown (1)
Columbia (1)
Gaithersburg (2)
Hagerstown (2)
Hanover (1)
Kensington (1)
Lutherville-Timonium (1)
Middle River (1)
Parkville (2)
Phoenix (1)
Pikesville (1)
Prince Frederick (1)
Reisterstown (1)
Rockville (2)
Salisbury (1)
Silver Spring (2)
Sparks Glencoe (1)
Stevensville (1)
Upper Marlboro (2)
Waldorf (1)
Windsor Mill (1)
Surveillance Secure
Verified
20 Years
Emergency
13 reviews
Surveillance Secure
20 Years
Emergency
13 reviews
We offer 24/7 monitoring and rapid response for critical security needs.
Surveillance Secure offers comprehensive security solutions including surveillance systems, access control, and analytics for commercial and government clients in Maryland, DC, and beyond.
Access Control Systems Surveillance Camera Installation 24/7 Monitoring
Website (877) 388-1248 Call Profile
1 review
Soldier Security & Investigation
1 review
Soldier Security & Investigation Services military-style structure is based on our very own United States military. In both our operations and business ethics we employ the philosophies and codes...
(410) 454-0909 Call Profile
Not rated yet
Diamond Security Inc
Not rated yet
Products & Services * Card Access Control Systems * Internet Camera Systems * Remote Viewing Software * Network / Phone Wiring Systems * Telephone Entry Systems * Closed Circuit...
(443) 316-8582 Call Profile
Secom
22 Years
Emergency
4 reviews
Secom
22 Years
Emergency
4 reviews
20+ years of specialized security experience across multiple industries
Trusted security partner since 2004, offering integrated access control, video surveillance, and intrusion detection systems for commercial, government, and nonprofit clients nationwide.
Access Control Video Surveillance Intrusion Detection
(301) 210-0022 Call Profile
4 reviews
Splaine Security Systems
49 Years
Emergency
4 reviews
97% customer satisfaction rated by Washington Consumer Checkbook
Trusted security solutions provider serving Washington D.C., Maryland, and Virginia since 1977. 24/7 monitoring, fire protection, and customized security systems for homes and businesses.
Business Security Video Surveillance Home Security
(301) 942-6262 Call Profile
5 reviews
Vintage Security
Emergency
5 reviews
We offer 24/7 professional monitoring with award-winning security centers.
Vintage Security provides comprehensive home and business security systems with 24/7 monitoring, smart home automation, and professional installation. Experience trusted protection for your property.
Home Security Systems Business Security Systems Security Cameras
(877) 767-1800 Call Profile
1 review
Affordable Locksmith
Emergency
1 review
We provide 24/7 emergency automotive locksmith services
Trusted 24/7 locksmith services in Maryland for cars, homes, and businesses. Emergency lockout assistance, key replacement, and security upgrades available 24 hours daily.
Emergency lockouts Key duplication Lock installation
(240) 650-2539 Call Profile
5 reviews
Urban Alarm
Emergency
5 reviews
We offer 24/7 monitored security systems with real-time mobile alerts
Urban Alarm delivers cutting-edge home and business security systems with 24/7 monitoring, smart automation, and personalized solutions in DC, MD, VA. Get a free quote today!
Video Surveillance Access Control Home Automation
(877) 678-7226 Call Profile
Not rated yet
All Pro Security
20 Years
Emergency
Not rated yet
24/7 responsive service with no voicemail transfers
Utah's top-rated security provider offering 24/7 protection services including armed guards, mobile patrols, and surveillance systems. Serving businesses and residences statewide since 2006.
Security Guards Process Service Mobile Patrol
(801) 796-1227 Call Profile
Not rated yet
Techmark Corporation
Emergency
Not rated yet
We offer 24-hour emergency service with same-day response capabilities
Techmark Corporation provides commercial fire alarms, security systems, and life safety solutions in Baltimore. 24/7 emergency service, UL-certified monitoring, and integrated system design since 1998.
Fire Alarms Security Systems Access Control
(410) 771-9650 Call Profile