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Call Now!   (904) 388-3975

Residential Alarm Systems

installed from $480.00


Commercial Alarm Systems

installed from $599.00


Warehouse Surveillance Systems

installed from $699.00


Keyless Entry

Access Control Systems

Fernandina Beach Security Systems
& Fire Alarm Company

ESI, Emergency Systems, Inc., is a Jacksonville based, locally owned and operated commercial security and high-end residential alarm company serving all of Nassau County since 1979. ESI, is a one-stop shop for security alarm systems that include fire, burglar, water, smoke, sprinkler systems, silent and panic alarms, forensic marking, video surveillance/CCTV, motion detection, cellular boosting and many more services.  ESI is a commercial security alarm company specializing in custom security solutions for business, office, home, government, military installations, warehousing and industrial properties. We only employ commercial grade security products that are manufactured and developed by the worlds most advanced security companies. ESI prides itself on creating both affordable and durable security solutions using the latest technology. We utilize wireless technology and communication equipment that can be activated at the touch of a button from any cellular device, just about anywhere in the world. ESI employs the most highly advanced and trained security technicians who create custom security solutions for your facility risk management concerns.  ESI is with you every step of the way to make your job easier, more efficient and cost effective. We protect commercial businesses, offices, and homes making them safer, more secure and create comfortable living and working environments. 





To Speak With One of Our Professional Specialists, Call (904) 388-3975

Fernandina Beach and Amelia Island’s Premier Security Alarm Company

ESI, Emergency Systems Inc., specializes in all types of security alarm, detection and protection products for your commercial business, office, and high-end residential structures.

Years of
of customers


We service thousands of homes and businesses throughout Northeast Florida. Learn why our customers have rated us as one of the best security companies in Jacksonville for over 25 years.


About ESI

With over 40 years of continuous service we have designed, installed, replaced and even repaired just about every kind of security apparatus imaginable. We only employ the highest-quality, commercial grade security components, made to endure the most rigorous of field use for both indoor and outdoor applications. We custom design every security system solution to fit your unique facilities application. We field test every security component that makes up your security shield and we back these products up with some of the industries best warrantees. Our staff is available 24 hours a day, 7 days a week to ensure your commercial business, office setting or high-end residential property is safe and thoroughly protected. Our Local Monitoring Centers are professionally staffed with the most up-to-date trained personnel and equipment to handle any breach of security. From intrusion, both internal and external to robberies, fire breakouts, smoke inhalation, water damage etc., ESI incorporates burglar alarms, motion detectors, video surveillance, if necessary, and monitoring for the most highly advanced security system available. ESI, specializes in free, onsite and online consultations performed by the most highly skilled and knowledgeable security technicians in the industry. Our security technicians have been equipped with the most up-to-date training available from the world’s leading security manufacturers.

If you are looking for a new security alarm system or an upgraded replacement installed in any facility in Nassau County including Hillard, Callahan, Yulee, Fernandina Beach and Amelia Island, give us a call today at 904-388-3975. ESI has the most affordable and cost-effective security solutions available for every type of security application. ESI even repairs and replaces video surveillance equipment and CCTV’s. Our Cellular Boosting products are second to none and we even carry the new, “Videofied” Motion Detection Video Systems that have a re-usable and poPtable application. We also are trained specialists in the new Forensic Marking/DNA Solution products, being installed in brick and mortar structures to thwart crime and ensure the apprehension and conviction of criminal offenders.

ESI is a licensed, bonded and insured, nationally recognized and award-winning commercial burglar alarm company. We have 1000’s of commercial, industrial, military and governmental agencies, and high-end residential customers in the North Central and Northeast Florida marketplaces. Give us a Call Today @ 904-388-3975 for a free consultation.

Additional Products & Services

  • Fence & Perimeters

  • Videofied

  • Service & Repair

  • Electric Gates

  • Personal Emergency Alert

  • Silent Holdup & Panic Alarms

  • SureCall Cellular Boosting

  • Monitoring

  • IP-Internet Monitoring