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JMG SECURITY SYSTEMS

About JMG

Commercial only, Southern California only, since 1987.

Careers

Roles open across Southern California.

Certifications

Licences and manufacturer credentials.

Partners

19 manufacturers. We make none of them.

Testimonials

Clients naming the technician who came.

Commercial security since 1987

Our own technicians in every region we cover, from Santa Barbara to San Diego.

Protect people

6 solutions · identity, visitors, intercom

Protect property

7 solutions · intrusion, perimeter, video

Protect operations

5 solutions · alarms, incidents, continuity

Smart buildings

6 solutions · occupancy, parking, IoT

Enterprise security

8 solutions · one standard, many sites

All 32 solutions →

JMGCONNEX

Our own mesh radio network: alarm signals that do not depend on a phone line.

Security systems →

Access control systems

Doors, credentials and who came through

Security monitoring

Two central stations, around the clock

Video surveillance systems

Cameras, recording and analytics

Fire alarm systems

Detection, notification, inspection

Mass notification systems

One message to every person on site

Professional service →

Security consulting

What the risk actually is

Security system design

Device list, signal paths, drawings

Security engineering

Specifications that hold up

Security assessments

A documented look at every site

Installation

Our own technicians, every region

Integration

Everything on one interface

System upgrades

Keep what works, replace what does not

Managed security services

Run by the people who built it

All 13 services →

Financial

Banks and credit unions

Healthcare

Hospitals, clinics and labs

Education

Schools and campuses

Manufacturing

Plants and production floors

Government

Municipal and public buildings

Office

Commercial offices and towers

Security logistics

Warehouses and distribution

Retail

Stores and stockrooms

Hospitality

Hotels, venues and resorts

All industries →

Los Angeles County

Long Beach to the Antelope Valley

Orange County

Headquarters, Fountain Valley

San Diego County

Our Escondido office

Inland Empire

Riverside and San Bernardino

Ventura County

Oxnard, Ventura, Thousand Oaks

Santa Barbara County

Santa Barbara to Santa Maria

Central Coast

Our San Luis Obispo office

All service areas →

Three offices

Fountain Valley

Headquarters · 17150 Newhope Street, Suite 109

Escondido

San Diego office

San Luis Obispo

Central Coast office

Our own technicians cover every county from Santa Barbara to the border.

Case studies

Five jobs, named clients

Whitepapers

Long reads on one problem

Compliance resources

Codes, audits and checklists

Downloads

Everything in the library

Blog

News, guides and client stories

Security assessment

Request a free assessment

All resources →

The Small Gaps That Create Big Problems In Data Center Physical Security

July 2, 2026

Emergency · 24 hours

(714) 545-8882

A technician, any hour. Follow the prompts.

Central station (866) 459-0009

Alarm monitoring, around the clock

Request service

Anything that is not an emergency

Customer portal ↗

Pay a bill online · opens in a new tab

Training portal

Brivo, DMP and Genetec training

Open a support ticket

Log a fault with our service desk

Remote support

Download the tool our technicians connect with

Support →

Request a quote

A price for a system you have in mind

Schedule a site survey

A free walkthrough of every location

Contact sales

Talk to someone about a new project

Contact support

Help with a system we look after

Office locations

Fountain Valley, Escondido and San Luis Obispo

Contact JMG →

Headquarters

Fountain Valley

17150 Newhope Street, Suite 109
Fountain Valley, CA 92708

(714) 545-8882

The same number reaches a technician around the clock.

Emergency (714) 545-8882 Central station (866) 459-0009 Remote support Customer portal Get in touch
Blogs

Temporary Staff, Permanent Risks: Access Control For Event Crews And Contractors

December 22, 20250Comments
Even the most advanced system needs regular evaluation. Over time, technology changes, branch layouts evolve,…
Blogs

Securing Sensitive Zones: Access Control In Medical Facilities

December 22, 20250Comments
Even the most advanced system needs regular evaluation. Over time, technology changes, branch layouts evolve,…
Blogs

No Room For Error: Security For High-Security IT Infrastructure

December 22, 20250Comments
Even the most advanced system needs regular evaluation. Over time, technology changes, branch layouts evolve,…
Blogs

Lessons From The Year: 2025’s Biggest Security Challenges And How To Prepare For 2026

December 22, 20250Comments
Even the most advanced system needs regular evaluation. Over time, technology changes, branch layouts evolve,…
Blogs

Auditing And Strengthening Your Bank Security Framework

November 20, 20250Comments
Even the most advanced system needs regular evaluation. Over time, technology changes, branch layouts evolve,…
Blogs

Real Bank Breaches That Show Why Reliable Security Systems Matter

November 20, 20250Comments
Fraud prevention starts with preparation. That means learning from past breaches and understanding how they…

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The Small Gaps That Create Big Problems In Data Center Physical Security
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The Small Gaps That Create Big Problems In Data Center Physical Security
July 2, 2026
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When Security Data Analytics Starts Driving Better Decisions
July 1, 2026

Business office

(800) 900-4564

24-hour central station: (866) 459-0009

Get in touch

sales@jmgsecurity.com

service@jmgsecurity.com

Corporate Headquarters

17150 Newhope Street, Suite 109

Fountain Valley, CA 92708

JMG SECURITY SYSTEMS home

Integrated commercial security systems for Southern California businesses since 1987: intrusion and fire detection, video surveillance, access control and 24-hour monitoring.

Alarm Lic. ACO3759  ·  Contractor Lic. 575070

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