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Explore Security Systems & Services in Maryland

Review the services of 21 security providers across Maryland, including Frederick, Reisterstown and Salisbury. Whether you need alarm systems, video surveillance or on-site security, look for relevant businesses and inquire about availability and pricing.
Baldwin (1)
Baltimore (1)
Beltsville (1)
Bethesda (1)
Chestertown (1)
Easton (1)
Frederick (2)
Gaithersburg (1)
Glen Burnie (1)
Hagerstown (1)
Kensington (1)
Phoenix (1)
Reisterstown (2)
Salisbury (2)
Silver Spring (2)
Thurmont (1)
Waldorf (1)
Not rated yet
Secure Alarms
Emergency
Not rated yet
We have over 30 years of experience in security system installations.
Secure Alarms provides expert security solutions in Baltimore, MD, including access control, intercom systems, surveillance cameras, and gate automation. With 30+ years of experience, we deliver reliable protection for homes and businesses.
Access Control Systems Intercom Installation Security Camera Systems
(410) 356-2009 Call Profile
Not rated yet
Splaine Security Systems
49 Years
Emergency
Not rated yet
45+ years of local security expertise with 97% Consumer Checkbook rating
Trusted security provider serving Washington D.C. since 1977. Offering 24/7 monitored alarm systems, CCTV surveillance, and fire protection for homes and businesses. 97% customer satisfaction rating.
Residential Security Systems Commercial Alarm Systems CCTV Surveillance
(301) 942-6262 Call Profile
Agralarm
36 Years
Emergency
Not rated yet
Agralarm
36 Years
Emergency
Not rated yet
We offer 24/7 poultry house monitoring with patented alarm technology
Agralarm delivers advanced alarm systems, VoIP, and internet services for poultry farms in Crisfield, MD. Protect your livestock with 24/7 monitoring and dual-network connectivity.
ALARMS VOIP INTERNET
(888) 968-2802 Call Profile
Not rated yet
FoxCrest Security
10 Years
Emergency
Not rated yet
We specialize in scalable intrusion systems for unique property needs
FoxCrest Security offers expert installation of alarm systems, video surveillance, and door access control in Frederick, MD. Serving residential and commercial clients with cutting-edge security solutions.
Alarm Systems Security Cameras Door Access Control
(240) 422-8369 Call Profile
Not rated yet
ARM Security Systems
23 Years
Emergency
Not rated yet
20+ years of local security expertise with SSA License #107-1855
Protect your home or business with ARM Security Systems' customized alarm solutions, 24/7 monitoring, and smart automation. Serving Maryland for 20+ years with certified technicians and competitive rates.
Residential Security Commercial Surveillance Access Control
(410) 526-4990 Call Profile
Not rated yet
Datawatch Systems
45 Years
Emergency
Not rated yet
We offer over 40 years of expertise in access control solutions.
Datawatch Systems provides advanced access control, security, and emergency management solutions for commercial real estate, government agencies, and multinational companies.
Access Control Mobile Access Video Surveillance
(800) 899-9872 Call Profile
Not rated yet
NetPlus Group
36 Years
Emergency
Not rated yet
We have 35 years of experience protecting enterprise systems from cyber threats.
Trusted cybersecurity partner offering penetration testing, threat intelligence, and compliance solutions for enterprises. Protect your systems with NetPlus Group's 24/7 security services since 1990.
Penetration Testing Cybersecurity Assessments NIST Compliance
(301) 721-3010 Call Profile
Not rated yet
A&E Home Security
46 Years
Not rated yet
We offer over 40 years of experience in security equipment sales.
A&E Home Security offers top-quality alarm systems and 24/7 technical support since 1980. Shop Honeywell, DSC, and more with free shipping on orders over $100.
Security Equipment Sales Technical Support Free Shipping
(301) 598-0615 Call Profile
Not rated yet
Digital Protection Services
36 Years
Emergency
Not rated yet
We offer 30+ years of experience in security system design and implementation
Trusted security solutions provider in Glen Burnie, MD since 1990. Offering access control, fire alarms, video monitoring, and 24/7 central station monitoring.
Access Control Fire Alarm Systems Security Systems
(410) 553-0042 Call Profile
Intervid
42 Years
Emergency
Not rated yet
Intervid
42 Years
Emergency
Not rated yet
We have over 30 years of experience in integrated security solutions.
Intervid delivers integrated security, surveillance, and fleet management solutions with 30+ years of expertise. Trusted by law enforcement, government, and commercial clients nationwide.
Video Surveillance Access Control Fleet Management
(301) 698-0086 Call Profile