Integrated access control security systems




21st Century Alarm/Data

aka 21st Century Integrated Systems


  Security Alarms, Alarm Systems 

Integrated access control security systems


"We make it all work together."

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ESA - Electronic Security Association
 & ESA of OhioElectronic Security Association member






Security Alarm, Burglar Alarm System/Service SUMMARY:

  • Security Alarm /Burglar Alarm Systems Installation & service to applicable code

  • Security Alarm/Burglar Alarm System Design

  • Security Alarm /Burglar Alarm System Sales

  • Security Alarm/Burglar Alarm System Monitoring, 24/7/365 (as applicable), LOCAL, Complete, Modern Central Station

  • Security Alarm /Burglar Alarm System Service

  • Security Alarm /Burglar Alarm System Maintenance, Inspection, Testing

  • Security Alarm/Burglar Alarm System Upgrades, new technology

  • Security Alarm /Burglar Alarm System Integration (as applicable)


Security Systems, Security Alarms, Burglar Alarms, Electronic Security
Integrated Security Systems

Commercial - Industrial - Residential - Government -  Institutional

Our leading alarm and security manufacturers should appear below, so please inquire


DMP logo

DMP - Digital Monitoring Products
Security Alarm Systems & Integrated Systems
for alarms, intrusion, and more...
DMP Security Command keypad                           DMP wireless keypad

State of the Art - Digital - Wireless & Hardwired - IP - Accessories
High Quality Systems Throughout

Wireless and Hardwired
Integrated Security Alarm Systems

       Some features/benefits for example...

  • Wireless means faster, lower cost installations

  • No wires, better installations without mess and wire jungles

  • More than enough zones for most applications, expandable

  • Two way wireless keyfobs and two way keypads

  • No land lines needed, no phone lines tied up for the alarm system

  • Completely cellular reporting

  • Controls from a cell phone

  • Wireless sirens

  • Standby battery built in, and other features, like open and close schedules

  • Inquire for your situation - many benefits, very flexible features

Alarm system keypadComplete Security Alarm Systems, including smoke detection for residential applications, signaling, 24 hours / 365 days a year UL monitoring of all conditions. 

    Each system for each customer is custom-designed. Needs vary by the type and situation of each. Many different elements may come into play, including other electronic systems, as well as physical elements of security and control of access and egress. Small systems to large, complex, multi building systems. 
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For more information on  security alarm /burglar alarm systems or services, please click here or see below>  Contact Information

Features/conditions that can be addressed and monitored

  • intrusion

  • panic or duress alarms (silent or annunciated), holdup

  • smoke or heat, depending

  • low temperature

  • pump, sump pump signaling 

  • perimeter, fence, remote signaling at entrances

  • perimeter entry signaling

  • internal alarms upon condition

  • motion detection

  • infrared detection

  • opening and closing, logs, reports

  • remote controls for opening (gates, doors, etc.)

Custom Design, Engineering 

    We provide custom design and engineering of the latest, most reliable systems, with applications ranging from single residential systems to large, complex, multi-dimensional systems for industrial or institutional facilities.  
    Alarm systems may be integrated with many other types of functions, from intercoms to camera systems, remote entry, monitoring, and signaling of anything from a medical alert to falling temperatures in a commercial refrigeration system. See System Integration
    Active monitoring of your conditions 24 hours a day by trained personnel is completely included, with local monitoring in a modern, computer-assisted facility, designed for  monitoring and fast dispatch.

Burglary, Intrusion, Duress, Robbery

     Alarm systems signal unauthorized entry into protected areas.  In an attack or robbery, loud or silent alarms can summon police for immediate help.  Power failure, low battery, or someone tampering with the alarm system are actively monitored.  Complete backup systems mean no service interruption when phones are down, etc.
     There are many elements of a security system not discussed here publicly for obvious security reasons. We use the latest techniques, equipment, and features to ensure that the system meets your needs and situation. Please contact us for more information. 
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For more information on  security alarm /burglar alarm systems or services, please click here or see below>  Contact Information

W3C Validated

UL Monitoring for alarm systems




Serving the MIDWEST for large systems - FASTEST service to our localized market service areas in Ohio & PA

OHIO County
& City Areas
  • Carroll

  • Columbiana

  • Geauga

  • Harrison

  • Jefferson

  • Mahoning

  • Medina

  • Geauga

  • Portage

  • Stark

  • Summit

  • Trumbull

  • Tuscarawas

  • Wayne

  • Akron

  • Alliance

  • Cadiz

  • Canton

  • Massillon

  • Carrollton

  • Chardon

  • Kent

  • Ravenna

  • Lisbon

  • Medina

  • New Phila.

  • Salem

  • Steubenville

  • Warren

  • Wooster

  • Youngstown

Western PA County-City Areas
  • Beaver

  • Butler

  • Crawford

  • Lawrence

  • Mercer

  • Beaver Falls

  • Butler

  • Meadeville

  • New Castle

  • Sharon

21st Century Alarm/Data (logo) - security alarms, security electronics, security integration. fire alarms, etc. - design, sales, installation, service - Ohio and Midwest States

21st Century Alarm/Data

aka 21st Century Integrated Systems

810 Main Street
Salem, Ohio 44460 USA
Telephone:  330-332-9743
Toll-free:  800-334-7479
Fax:  330-332-5528

21st Century Alarm/Data (logo) - security alarms, security electronics, security integration. fire alarms, etc. - design, sales, installation, service - Ohio and Midwest States



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