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  2. SimplexGrinnell - Wikipedia

    en.wikipedia.org/wiki/SimplexGrinnell

    They also provide testing, inspection, and maintenance services for fire alarm, sprinkler, suppression, security, and communication equipment. To a much lesser degree, the company also sells and services pull stations, time clocks , and master time systems and Mass Notification systems.

  3. Standards for Alarm Systems, Installation, and Monitoring

    en.wikipedia.org/wiki/Standards_for_Alarm...

    The Underwriters Laboratories' UL 2610 is a comprehensive safety standard that governs the construction, performance, operation, and maintenance of security alarm systems and units for commercial premises, such as mercantile and banking locations. The standard details requirements for a range of alarm systems including central station burglar ...

  4. Vivint - Wikipedia

    en.wikipedia.org/wiki/Vivint

    In 1999, Keith Nellesen and Todd Pedersen co-founded APX Alarm Security Solutions in Lehi, Utah. [4] [5] At the time, the company sold and installed security systems. [4] APX Alarm Security Solutions rebranded as Vivint in February 2011. [4] [6] Vivint was acquired by The Blackstone Group in November 2012. [7]

  5. Top home security upgrades that can lower your homeowners ...

    www.aol.com/finance/home-security-upgrades-lower...

    🏡 Home security systems. Home security systems are protection networks that connect multiple security devices — such as surveillance cameras, door and window sensors and motion detectors ...

  6. Ring (company) - Wikipedia

    en.wikipedia.org/wiki/Ring_(company)

    In November 2013, Ring was founded as Doorbot by Jamie Siminoff. Doorbot was crowdfunded via Christie Street, and raised US$ 364,000, more than the $250,000 requested. [1] [4] [5] Siminoff's team envisioned the product's concept as an "alarm system literally turned inside out" in comparison to other security systems, describing it as a "pre-crime" system. [6]

  7. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Some alarm systems serve a single purpose of burglary protection; combination systems provide fire and intrusion protection. Intrusion-alarm systems are combined with closed-circuit television surveillance (CCTV) systems to record intruders' activities and interface to access control systems for electrically locked doors. There are many types ...

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