Security Systems & Services in Livermore, CA

Comprehensive list of Livermore, California based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms, guard and video surveillance services.

Business Listings

Call or E-mail us today for a free quotation! Changed name to Trojan Systems, Incorporated in 1988, to demonstrate broadened capabilty of firm to perform range of low and high voltage system installations. To supply great Home Automation products and quality service with emphasis on design and installation.


Electronic Security Devices. designs and manufactures Power Supplies and accessories for the Security Industry. Founded in 1996, this year we're celebrating our tenth anniversary. ESD's well engineered and uniquely designed products are sold directly to security system integrators all over the US thorough sales representatives and directly to many OEM manufacturers.


Here at On Target Electronics, we design, sell, install, and maintain stand alone and integrated Access Control, CCTV Video Surveillance, Alarm Systems, and Intercom Systems for a large commercial site or a tiny individual package for domestic use. Whether your needs are for a single or multi camera set-up, or to have visual access on or off site, viewing through internet access makes it easy for you

  • Great customer service and very helpful. I will use them again.


Our hard work and dedication to excellence has driven us to a strong market position. Our mission is simple - we aim to over-deliver. We invite you to put our dedication to excellence to the test. We welcome the possibility to show you the Covan difference.


The HomeWorks Group is an expert electronics contractor that supplies Entertainment, Control and Life/Safety systems in prominent homes. Our customers hire us to supply turn key systems that are high in quality and easy to use. This is accomplished by understanding the requirements of each personal customer, designing the appropriate system and providing on our promise.


AST has more then fifteen years of knowledge in the Security & Home Building Industry. We are locally owned & operated in the San Francisco Bay Area and supply brand name products and quality client service. With our dedication to honesty and quality AST is the best choice for you.


AlarmPoint has drastically improved the Sprint Nextel client knowledge and has simplified our business processes, saving millions in reduced costs. AlarmPoint Systems is the industry leader in Alert Management software. Our automated platform transforms events from monitoring, planning and aid desk applications into role-specific information intelligently provided to the correct person.


Applied Security Connections, a California licensed Alarm Company provides complete domestic and commercial alarm and video security systems. We supply 24hr Underwriter Laboratory approved alarm monitoring. As a licensed Low Voltage Electrical Contractor, we specialize in sales and installation of pc network and structured cabling, telephone wiring and telephone systems for your office or home.