Find Electronic Security Contractors in Maryland

Access Control

Electronic Security

Security Detection Alarm and Monitoring

Video Surveillance

Absolute Security Group LLC

Delaware • Maryland • Virginia

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Residential

Access Control, Fire Detection and Alarm, Security Detection Alarm and Monitoring, Video Surveillance

Absolute Security Group LLC is a Specialty Contractor that serves the Salisbury, MD area and specializes in Access Control, Fire Detection and Alarm, Security Detection Alarm and Monitoring, Video Surveillance.

United Security & Communications, Inc

DC, DC • Maryland • Virginia

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Institutional, Residential

Access Control, Electronic Security, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance

USCI is a leading security integration firm serving Maryland, DC, and Northern Virginia since 1985. We specialize in commercial-grade access control, video surveillance, intrusion detection, and intercom systems. Known for our white-glove service, innovative solutions, and commitment to operational excellence, we partner with general contractors, property managers, and institutional clients to deliver secure, scalable, and efficient systems across a range of verticals including data center, education, multifamily, legal, and government.

SkyHop.com, Inc.

District of Columbia • Maryland • Virginia • West Virginia

Specialty Contractor

Commercial, Healthcare, Institutional

Access Control, Communications, Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance

SkyHop.com, Inc. is a Specialty Contractor that serves the Frederick, MD area and specializes in Access Control, Communications, Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance.

Dunbar Security Solutions

DC, DC • Delaware • Georgia • Maryland • North Carolina • Pennsylvania • Texas • Virginia

Specialty Contractor

Commercial

Access Control, Electronic Security, Security Detection Alarm and Monitoring, Security Equipment

Dunbar Security Solutions is a Specialty Contractor that serves the Cockeysville, MD area and specializes in Access Control, Electronic Security, Security Detection Alarm and Monitoring, Security Equipment.

Electronic Security Services, Inc. (ESSI)

Washington, DC • Maryland • Virginia

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Institutional, Residential

Access Control, Access Doors and Panels, Electronic Security, Gate Operators, Integrated Automation Actuators and Operators, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance

For over four decades, Electronic Security Services, Inc. (ESSI) has been a trusted leader in security integration, providing innovative, reliable, and high-quality solutions tailored to the unique needs of multifamily and commercial properties. Our expertise spans access control, video surveillance, visitor entry, electronic locking hardware, and gate operator systems—delivering technology-driven security with a commitment to excellence.

Our Mission
At ESSI, our mission is to provide intelligent security solutions that protect and enhance the communities we serve. We combine cutting-edge technology with expert craftsmanship to deliver seamless, efficient, and scalable security systems that support our clients' long-term success.

Our Commitment
Our dedication extends beyond installing and servicing security systems, we are committed to being a true partner to our clients. With a customer-first mindset, we prioritize responsiveness, transparency, and tailored support, ensuring systems operate at peak performance while minimizing downtime.

We don’t believe in lip service, only real service. From the first consultation to ongoing maintenance, our team is driven by integrity, expertise, and a passion for problem-solving. Whether addressing a routine service call or designing a large-scale security upgrade, ESSI delivers solutions that provide peace of mind, efficiency, and lasting value.

Why ESSI?
- Over 40 years+ of proven expertise in electronic security integration.
- Comprehensive solutions from installation to managed services.
- Dedicated, highly skilled professionals who put customers first.
- Commitment to innovation with industry-leading technologies.
- A service-oriented approach that prioritizes uptime, reliability, and long-term client success

At ESSI, security isn’t just about technology, it is about trust, partnership, and delivering real results for the communities we serve. 

Systems We Install, Service, Host, and Support - 
Visitor Entry, Video & Audio Intercoms, Access Control, Video Surveillance, ADA Auto Door Operators, Gate Operators, Smart Apartment Locks, Intrusion / Panic Alarm, Emergency Call Stations, Medeco Cylinders, Electronic Locking Hardware

Some of Our Favorite Brands We Install, Service, Host, and Support -
Brivo, Eagle Eye, LiftMaster, SwiftLane, ButterflyMX, MyDoorView, Kantech, Cansec, AiPhone, DoorKing, Alibi, HilVision, Exaqvision, Keyscan, Salto, 1Valet, 2N, Torus, OpenEye, FAAC, Security Door Controls & More!

STARLIGHT Security Incorporated

District of Columbia • Maryland

Consultant, Specialty Contractor, Supplier

Commercial, Healthcare, Infrastructure, Institutional, Residential

Access Control, Electronic Security, Fire Detection and Alarm, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment

Established in 1996, STARLIGHT has consistently led the way in providing advanced security solutions to a wide array of commercial and government clients. Utilizing cutting-edge technology and possessing a profound understanding of safety complexities, we offer customized solutions that are meticulously tailored to meet the individual needs of each client. Our expertise lies in providing innovative solutions, including closed circuit television (CCTV) systems, fire alarms, access control systems, and intrusion products.

Mobile Video Guard

DC, DC • NY, NY • Alabama • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Electronic Security, Security Detection Alarm and Monitoring, Temporary Security

Mobile Video Guard specializes in advanced remote surveillance solutions designed to protect construction sites, ensuring around-the-clock security against theft, vandalism, and unauthorized access.  
With a focus on simplicity, scalability, and AI-driven monitoring, Mobile Video Guard deploys state-of-the-art surveillance units that provide real-time video access and proactive threat detection.  
By integrating cutting-edge technology with expert monitoring services, the company delivers cost-effective, high-performance security tailored to the unique challenges of construction environments.   

Risk Management Consultants LLC

Cockeysville, MD

Specialty Contractor

Commercial

Access Control, Fire Detection and Alarm, Security Detection Alarm and Monitoring, Security Equipment

Risk Management Consultants LLC is a Specialty Contractor that serves the Cockeysville, MD area and specializes in Access Control, Fire Detection and Alarm, Security Detection Alarm and Monitoring, Security Equipment.

Abbey Services Inc.

Washington, DC • Maryland • Virginia

Specialty Contractor

Commercial

Access Control, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Temporary Security, Temporary Security Barriers, Temporary Security Enclosures, Video Monitoring and Documentation, Video Surveillance

Abbey Services Inc. is a Specialty Contractor that serves the Upper Marlboro, MD area and specializes in Access Control, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Temporary Security, Temporary Security Barriers, Temporary Security Enclosures, Video Monitoring and Documentation, Video Surveillance.

Bluestar Technologies Inc.

Alexandria, VA • Arlington, VA • Baltimore, MD • Bel Air, MD • Chester, PA • Ellicott City, MD • Randallstown, MD • Washington, DC • Westminster, MD • York, PA • Maryland

Specialty Contractor

Commercial, Industrial and Energy, Infrastructure, Institutional, Residential

Communications, Communications Utilities Distribution, Security Detection Alarm and Monitoring, Temporary Telecommunications, Video Surveillance

Bluestar Technologies Inc. is a Specialty Contractor that serves the Baltimore, MD area and specializes in Communications, Communications Utilities Distribution, Security Detection Alarm and Monitoring, Temporary Telecommunications, Video Surveillance.

VennTek

DC, DC • Delaware • Maryland • Pennsylvania • Virginia

Consultant, Specialty Contractor

Commercial, Healthcare

Access Control, Audio Video Communications, Communications, Data and Voice Communications, Design and Engineering, Information Management and Presentation, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance

VennTek is a Consultant, Specialty Contractor that serves the Baltimore, MD area and specializes in Access Control, Audio Video Communications, Communications, Data and Voice Communications, Design and Engineering, Information Management and Presentation, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance.

Security Solutions

Maryland • West Virginia

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Institutional, Residential

Access Control, Communications, Electronic Life Safety, Fire and Smoke Protection, Fire Detection and Alarm, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance

Security Solutions is a Specialty Contractor that serves the Lonaconing, MD area and specializes in Access Control, Communications, Electronic Life Safety, Fire and Smoke Protection, Fire Detection and Alarm, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Video Surveillance.

SCDIT

DC, DC • Delaware • Maryland • Pennsylvania • Virginia • West Virginia

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Access Control, Audio Video Communications, Communications, Electronic Security, Information Specialties, Integrated Automation Systems For Communications, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Telephone Specialties, Video and Photography, Video Monitoring and Documentation, Video Surveillance

SCDIT is a Specialty Contractor that serves the Columbia, MD area and specializes in Access Control, Audio Video Communications, Communications, Electronic Security, Information Specialties, Integrated Automation Systems For Communications, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Telephone Specialties, Video and Photography, Video Monitoring and Documentation, Video Surveillance.

CES Integrated

Columbia, MD • DC, DC • Frederick, MD • Stevensville, MD

General Contractor, Specialty Contractor

Commercial

Access Control, Access Doors and Panels, Communications, Video Monitoring and Documentation, Video Surveillance

CES Integrated is a General Contractor, Specialty Contractor that serves the Stevensville, MD area and specializes in Access Control, Access Doors and Panels, Communications, Video Monitoring and Documentation, Video Surveillance.

Communications Electronics Systems, LLC

Annapolis, MD • Baltimore, MD • Bethesda, MD • Centreville, MD • College Park, MD • Fort Meade, MD • Frederick, MD • Gaithersburg, MD • Rockville, MD • Stevensville, MD • Towson, MD

Specialty Contractor, Supplier

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Access and Barriers, Access Control, Access Doors and Panels, Electronic Life Safety, Electronic Personal Protection Systems, Electronic Security, Facility Protection, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Temporary Security Enclosures, Video Monitoring and Documentation, Video Surveillance

Communications Electronics Systems, LLC is a Specialty Contractor, Supplier that serves the Stevensville, MD area and specializes in Access and Barriers, Access Control, Access Doors and Panels, Electronic Life Safety, Electronic Personal Protection Systems, Electronic Security, Facility Protection, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Security Detection Alarm and Monitoring, Security Equipment, Temporary Security Enclosures, Video Monitoring and Documentation, Video Surveillance.

Poseidon Systems, Inc

Bethesda, MD

General Contractor

Commercial, Residential

Security Detection Alarm and Monitoring

Poseidon Systems, Inc is a General Contractor that serves the Bethesda, MD area and specializes in Security Detection Alarm and Monitoring.

NVSS

Maryland

Specialty Contractor

Commercial

Access Control, Audio Video Communications, Data and Voice Communications, Electronic Security, Integrated Automation Network Devices, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Security Equipment, Video Surveillance

NVSS is a Specialty Contractor that serves the Bel Air, MD area and specializes in Access Control, Audio Video Communications, Data and Voice Communications, Electronic Security, Integrated Automation Network Devices, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Security Equipment, Video Surveillance.

Colbert Law Firm

Colbert Law Firm is a Specialty Contractor that serves the Bowie, MD area and specializes in Access Control.

BBC Construction/Remodeling

BBC Construction/Remodeling is a General Contractor that serves the Silver Spring, MD area and specializes in Access Control.

TEST

TEST is a Engineer that serves the Frederick, MD area and specializes in Access Control.

GP

GP is a Engineer that serves the Baltimore, MD area and specializes in Access Control.

PSX INC.

LA, CA • Alabama • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming

Specialty Contractor, Supplier

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Access and Barriers, Access Control, Access Doors and Panels, Audio Video Communications, Electronic Security, Exterior Protection, Facility Protection, Fences and Gates, Integrated Automation Systems For Communications, Integrated Automation Systems For Electronic Security, Safety Specialties, Security Detection Alarm and Monitoring, Security Equipment, Temporary Security Barriers, Temporary Security Enclosures, Traffic Control, Video Surveillance

PSX is a full service security integrator with offices in Philadelphia, Cleveland, Pittsburgh, Houston, Denver, New Orleans, Detroit, DC and Tampa, FL. We cover many aspects of the security market including but not limited to, perimeter security, automated gate systems, crash barriers, CCTV, access control, video analytics, and guard booths. Services include design, installation, service and maintenance of provided or existing systems.

Strat Security

Delaware • District of Columbia • Maryland • Pennsylvania • Virginia • West Virginia

Specialty Contractor

Commercial, Healthcare, Institutional, Residential

Access Control, Communications, Design and Engineering, Distributed Communications and Monitoring Systems, Electronic Life Safety, Electronic Security, Fire and Smoke Protection, Fire Detection and Alarm, Gas Detection and Alarm, Security Detection Alarm and Monitoring, Security Equipment

Strat Security is a Specialty Contractor that serves the Parkville, MD area and specializes in Access Control, Communications, Design and Engineering, Distributed Communications and Monitoring Systems, Electronic Life Safety, Electronic Security, Fire and Smoke Protection, Fire Detection and Alarm, Gas Detection and Alarm, Security Detection Alarm and Monitoring, Security Equipment.

Karavan IT Services

DC, DC • Phoenix, AZ • Alabama • Arizona • California • Delaware • Florida • Georgia • Illinois • Indiana • Kentucky • Maryland • Massachusetts • Nevada • New York • North Carolina • Ohio • Pennsylvania • South Carolina • Tennessee • Texas • Virginia • West Virginia

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Access Control, Audio Video Communications, Communications, Distributed Communications and Monitoring Systems, Electronic Security, Integrated Automation Systems For Communications, Project Management, Project Management and Coordination, Technology Design and Engineering, Video Surveillance

Karavan IT Services is a low-voltage contractor specializing in Division 27 and Division 28 systems including structured cabling, wireless infrastructure, access control, surveillance, and data center connectivity. We partner with general contractors and enterprise clients to deliver reliable technology infrastructure installations nationwide

Brivo

Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming

Specialty Contractor, Supplier

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Access Control, Access Doors and Panels, Electronic Security, Facility Protection, Integrated Automation Systems For Facility Equipment, Integrated Automation Systems For Network Equipment, Job Site Data Collection and Reporting, Security Detection Alarm and Monitoring, Security Equipment, Temporary Security

Brivo delivers turnkey jobsite security and surveillance solutions engineered specifically for the construction industry. We help General Contractors protect their margins, eliminate theft, and mitigate risk from mobilization to project handover.

Whether your project requires rapid-deploy temporary security for a breaking ground phase or a fully integrated permanent surveillance system for final delivery, Brivo has you covered.

Our Core Services:

Permanent Security Systems: Commercial-grade surveillance design and installation tailored for property handover and long-term asset protection.

Temporary Site Security Cameras: Rugged, fast-deploying mobile camera systems optimized for active, changing construction environments (available with solar and cellular options).

24/7 Live Remote Monitoring: Proactive, AI-assisted video monitoring that instantly detects intrusions, vandalism, and safety hazards, allowing for real-time intervention.

EAI

EAI is a Specialty Contractor that serves the Rockville, MD area and specializes in Access Control.

Jones Engineering Group LLC

Jones Engineering Group LLC is a Engineer that serves the Elkridge, MD area and specializes in Access Control.

Pavion

Owings Mills, MD

Specialty Contractor

Commercial, Healthcare, Infrastructure

Access Control, Access Doors and Panels, Audio Video Communications, Communications, Electronic Security

Pavion is a Specialty Contractor that serves the Owings Mills, MD area and specializes in Access Control, Access Doors and Panels, Audio Video Communications, Communications, Electronic Security.

FMT Security Services LLC

Washington, DC • Washington, PA • Maryland • Virginia

General Contractor

Commercial

Access Control

FMT Security Services LLC is a General Contractor that serves the Capitol Heights, MD area and specializes in Access Control.

Secure Systems

DC, DC • Delaware • Maryland • New Jersey • Pennsylvania • Virginia

Specialty Contractor

Commercial

Access Control

Secure Systems is a Specialty Contractor that serves the Reisterstown, MD area and specializes in Access Control.

Swift Rehab

At Swift Rehabilitation, we understand that pain, stiffness, dizziness, or recent surgery can make everyday tasks challenging. Whether you need outpatient or in-home physical, occupational, or speech therapy, we provide structured, personalized care that fits your schedule, ensuring real progress, not guesswork. https://swiftrehab.us/

Actalent

Actalent is a Consultant that serves the Rockville, MD area and specializes in Access Control.

Cozymom Laundromat

COZYMOM Laundromat is designed for people who want laundry done quickly, cleanly, and without hassle. With powerful machines, a spotless environment, and a focus on comfort, we make every visit efficient and stress free. No waiting, no mess, just reliable service you can count on. At COZYMOM, you don’t just wash clothes you save time and simplify your day. 

Elandscape specialty solutions llc

Elandscape specialty solutions llc is a General Contractor that serves the Davidsonville, MD area and specializes in Access Control.

Netco, Inc.

District of Columbia • Maryland • Virginia • West Virginia

Specialty Contractor

Commercial, Healthcare

Communications, Electronic Security, Healthcare Equipment, Security Detection Alarm and Monitoring, Security Equipment, Telephone Specialties, Temporary Telecommunications

Netco, Inc. is a Specialty Contractor that serves the Frederick, MD area and specializes in Communications, Electronic Security, Healthcare Equipment, Security Detection Alarm and Monitoring, Security Equipment, Telephone Specialties, Temporary Telecommunications.

Titan Protection & Security

Washington, DC • Maryland • Pennsylvania • Virginia

Specialty Contractor, Supplier

Commercial, Residential

Fire Detection and Alarm, Security Detection Alarm and Monitoring

Titan Protection & Security is a Specialty Contractor, Supplier that serves the Columbia, MD area and specializes in Fire Detection and Alarm, Security Detection Alarm and Monitoring.

District Advantage Security

DC, DC • Maryland • Virginia

Specialty Contractor

Commercial

Electronic Security

District Advantage Security is a Specialty Contractor that serves the Frederick, MD area and specializes in Electronic Security.

Petitbon Alarm

DC, DC • Delaware • Maryland • Virginia

Specialty Contractor

Commercial, Residential

Electronic Security

Petitbon Alarm is a Specialty Contractor that serves the Crofton, MD area and specializes in Electronic Security.

Securitas

Maryland

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Electronic Security

Securitas is a Specialty Contractor that serves the Elkridge, MD area and specializes in Electronic Security.

SigNet Technologies

SigNet Technologies is a Specialty Contractor that serves the Beltsville, MD area and specializes in Electronic Security.

Electronic Security Contractors in Maryland

649 Results

Absolute Security Group LLC

United Security & Communications, Inc

SkyHop.com, Inc.

Dunbar Security Solutions

Electronic Security Services, Inc. (ESSI)

STARLIGHT Security Incorporated

Mobile Video Guard

Risk Management Consultants LLC

Abbey Services Inc.

Bluestar Technologies Inc.

VennTek

Security Solutions

SCDIT

CES Integrated

Communications Electronics Systems, LLC

Poseidon Systems, Inc

NVSS

Colbert Law Firm

BBC Construction/Remodeling

TEST

GP

PSX INC.

Strat Security

Karavan IT Services

Brivo

EAI

Jones Engineering Group LLC

Pavion

FMT Security Services LLC

Secure Systems

Swift Rehab

Actalent

Cozymom Laundromat

Elandscape specialty solutions llc

Netco, Inc.

Titan Protection & Security

District Advantage Security

Petitbon Alarm

Securitas

SigNet Technologies

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