Best Home Security Companies in O'Fallon, MO

Alarm24 is a privately owned company catering to clients in O'Fallon. It offers the installation of security systems in residential, industrial, and commercial properties—including burglar alarm monitors, fire and smoke alarms, and carbon monoxide leak detectors. The company also positions surveillance cameras and designs an access control system to restrict the entry of unauthorized individuals. Additionally, it monitors environmental, water, and temperature sensors. Alarm24 is a member of the Nation Fire Protection Association and the National Burglar and Fire Alarm Association.

PerrySecure responds to the security needs of commercial and residential clients in and around O'Fallon. It custom designs and installs security system products, such as intercom and door entry systems, alarms, and surveillance cameras. Before installing indoor and outdoor cameras, it assesses and evaluates each site to eliminate blind spots. PerrySecure has a 24/7 central monitoring station where it detects fire and burglar alarm system alerts and immediately calls responders. It also handles in-home patient monitoring and LAN and Wi-Fi network consulting and installation.

Prep Security is a veteran-founded company that helps safeguard properties in O'Fallon and the surrounding areas. Its specialists take on design and installation projects for various security and communications devices and equipment, such as alarms, security cameras, and access control systems. They also offer data or network cabling and low-voltage solutions. With a focus on customer care, the team works closely with clients from the initial planning phase through the final walkthrough. Prep Security has been in business since 2008.

Secure24 Alarm Systems is a family-owned and veteran-owned business that caters to clients in O'Fallon and the surrounding areas. It offers a variety of security products, such as doorbell cameras, indoor or outdoor cameras, thermostats, and door locks, as well as smoke, carbon, and flood sensors. Its technicians also install and set up smart home automation systems. Professional alarm monitoring is available 24 hours a day. The ADT authorized dealer has been in the home security industry since 2006.

Automated Technologies Computer Services has been serving residential and commercial customers in and around O'Fallon since 1991. It installs and maintains surveillance systems to safeguard properties against intruders. After conducting an on-site consultation, its staff sets up CCTV cameras, wires, routers, digital video recorders, and remote management controls. In addition to security equipment, the company offers a variety of electronic solutions, including network cabling, custom-built servers, password and data recovery, and spyware and virus removal.

Digital Horizons is a low voltage system specialist serving individuals and businesses in and near O'Fallon. Its team custom-configures and installs camera systems according to clients' specifications. The contractors also design and set up custom alarm systems from Alarm.com, which may be remotely armed and disarmed. Digital Horizons is certified by the National Institute for Certification in Engineering Technologies (NICET). Its Director of Technical Services, Scott G., is a NICET IV Fire Alarm certified professional with over three decades of experience in the field.

Protected by Butler Durrell is a security company catering to O'Fallon. It offers residential security services, which include security system installation and maintenance, video surveillance, and smartphone control. The business provides access control, video surveillance, and security systems as part of its commercial security services. Installation and repair of home entertainment systems, fire detection, and smart home security are also included in its services and products. The local and family-operated company is currently led by its second generation of owners.

Home-Tech is a local home automation company that serves residential customers in O'Fallon. It designs and installs security and alarm systems with wireless sensors and detectors, external sounders, live alerts, and HD security cameras for video recording to protect homes from intruders. It offers digital safes and access control logs with panels and keypads. Its crew handles renovation, retrofit, and new construction installations of home automation systems, media rooms, and lighting control. Home-Tech carries products from Samsung and Sony.

Citywide Alarms is a local home security company that has been serving residents in O'Fallon and the surrounding communities for more than a decade. Its crew sets up wireless and IP security cameras that can be accessed remotely from a smartphone, tablet, or desktop. Alarm systems, video doorbells, smart door locks, and security window films are also available for installation. Citywide Alarm partners with different security system brands, including Honeywell, LG, 2GIG Technologies, Alarm.com, and Paxton.

Westco Security & Technology Systems has been serving O'Fallon since 1983. It offers security alarm solutions, such as burglar and fire alarms, to help clients protect their properties around the clock. It installs video surveillance systems that come with a variety of options and can be customized according to the customers' individual needs. In addition, it enables property owners to take control of their systems through home automation technology. The company also provides home theater and Wi-Fi installation services.

Barcom Security is a family-owned and family-operated company that serves residential clients and business owners in O'Fallon and its surrounding communities. For over 40 years, the facility has been protecting the safety of its customers by installing smart home automation systems that include smart thermostats, lighting controls, fire alarms, keyless entry and wireless remote locks, and video cameras. It also offers 24/7 security monitoring systems to detect break-ins and fire emergencies. Barcom Security is a member of the National Burglar and Fire Alarm Association.

Assurance Protection offers home security solutions to homeowners based in O'Fallon. The crew sets up security devices and alarms that detect and deter external intrusions. These include video cameras to identify trespassers and provide evidence in court. It also sets up intercoms and fire alert systems. The company uses products made by established names such as Sony, JVC, and Honeywell. Assurance Protection has been a player in the home protection field for over 27 years.