Ranked as one of the largest security companies in the United States, we have the products, services, resources, and technical expertise to provide comprehensive security and peace of mind 24 hours a day/365 days a year.

The Threats to Your Operation are Many

Unauthorized Access
Water Damage
Employee Theft
Workplace Injury
Temperature Extremes

Business Security

Experiencing a robbery is an owner’s worst nightmare. A security system is the first line of defense against loss of profit due to theft and other risks.

Perimeter Entry Alert

Electronic security sensors monitor doors, windows, and skylights to help detect unwanted entry


Interior Motion Alert

Interior motion detectors are the most cost-effective way to help detect intruders who have entered your facility

Critical system components to consider when safeguarding your premises:

  • Control panels
  • Keypads
  • Door contacts
  • Overhead door contacts
  • Cameras
  • Motion detectors
  • Hold up buttons
  • High/Low temp indicators
  • Sirens
  • Outside strobes
  • Communications backup
  • Proximity card readers
  • Electric locks & strikes


We offer UL Listed, FM Approved central station monitoring for burglar and fire alarm systems from our award-winning central station located in Aurora, Illinois.  Our facility is manned 24 hours a day/365 days a year by highly-skilled operators trained to respond to emergencies.

Alarm Detection Systems has the prestigious honor of holding a Five-Diamond Certification from the Central Station Alarm Association (CSAA).
The CSAA honors companies with awards yearly for outstanding performance. Alarm Detection Systems is the first company in the U.S. to win all three categories:

  • Central Station Manager of the Year
  • Central Station Operator of the Year
  • Central Station of the Year


AES radio from Alarm Detection offers a highly-reliable choice for primary alarm monitoring or as a wireless back-up. Wireless alarm signals are delivered to the central monitoring station without any reliance on third-party networks.

  • Substantial savings when replacing dedicated telephone lines for alarm reporting
  • A single radio that can be used for burglar and fire systems
  • Multiple, redundant paths of communication that adapt to changes in the system

Runner Service

runner_smallAlarm Detection Systems offers a runner service for locally monitored accounts. This is a personalized response service that is not provided by most alarm companies. It is available to both commercial and residential customers.

Call 630.844.6322 for more information

Business Fire Safety

Helping to protect your employees and customers, as well as your office and plant facilities, from the ravages of fire is one of the utmost responsibilities of any business owner.

Alarm Detection Systems, Inc. has the experience and capacity to make sure that your fire systems meets all applicable NFPA codes and local requirements. There is a good chance we know your local fire inspector and have worked with him or her in the past. We offer a full range of fire safety system solutions from leading manufacturers and our major system components are listed by Underwriter Laboratories.

We install & service:

  • Fire alarm control panels
  • Smoke detectors
  • Beam smoke detectors
  • Heat detectors
  • Wireless transmitters
  • Pull stations
  • Remote zone annunciators
  • Warning horns, bells, alarms, & strobe lights

If a fire is detected on site, an advanced fire systems will audibly sound an alarm warning and send a signal to our central station in order to summon emergency services. Automatic fire alarm systems will also notify the building occupants to evacuate in the event of a fire and to prepare the structure and associated systems to control the spread of fire and smoke.

Fire and Sprinkler System Testing

nfpaThe National Fire Alarm Code requires ongoing testing and inspection of fire alarm and sprinkler systems by technically trained personnel. Whether you need annual, quarterly, or monthly fire alarm system testing, ADS can help ensure that you meet all local and national requirements.

We test & visually inspect:

  • Panel functionality, LEDs, and fuses
  • Panel battery charger
  • Battery discharge
  • Horns, strobes, chimes, and bells
  • Smoke detectors
  • Heat detectors
  • Duct smoke detectors
  • Voice evacuation equipment

We also inspect fire hoses, extinguishers, sprinkler systems, hydrants, pumps, and backflows.

Managed Access

Managed access gives you full control over the movement of workers, customers, and other visitors in your facility. Alarm Detection Systems provides access solutions that can be controlled at all times from our local central monitoring station. Hardware can be installed and monitored at a single entrance, or numerous readers can span multiple locations. By choosing a complete turn-key solution managed by Alarm Detection Systems, you will eliminate the need for costly support personnel and software.

Alarm Detection Systems provides:

  • Remote system administration
  • Alarm processing
  • Detailed reports
  • 24/7 repair service is included


Access control that incorporates:

  • Keypads
  • Proximity card readers
  • Smart card technologies
  • Biometric readers
  • Portrait badging
  • Electromagnetic locks
  • Electric strikes

A proximity card system does not require contact with the reading device of an access control system. Cards only need to pass relatively close to the reader in order to allow access. Installation of this equipment is unobtrusive at your location and easy to update.

Managed access is not just a technology

corridor_smallIt is a vital security component for controlling and reporting facility traffic.

Take control of your building access. Call 630.844.6322
for a complimentary access control evaluation.

Security Cameras

Utilizing video surveillance in a security system is highly effective for crime prevention, detection, and verification. Cameras placed in the right areas will monitor activity as it takes place. In the event of an incident, actions of the participants are recorded, security personnel can react in real time, and video footage may be used later for evidence gathering.

Alarm Detection Systems offers advanced Video technology, including:

  • IP Cameras
  • Digital Video Recorders (DVRs)
  • Network Video Recorders (NVRs)
  • Hybrid Video Recorders (HVRs)
  • Hosted Video Storage (Internet)


Cameras that incorporate:

  • Night vision
  • Infrared night vision
  • Thermal imaging
  • Video analytics
  • Video verification
  • Resistance to vandalism


Video Verified

Video-VerifiedWith integrated video verification, more detailed information is passed to the dispatcher. With this data, they can prioritize the alarm queue, reduce the occurrence of false alarms, and provide accurate scene description to the authorities. The end result is increased safety for first responders and reduced operating expenses for your business. We offer a number of advanced video solutions that incorporate this technology.

Digital Video Recorders (DVRs) & Hosted Video Recorders (HVRs)

iphone_videoDigital Video Recorders are an integral part of surveillance systems and are used to record, play, and store video. Our advanced DVRs are compatible with wired and wireless security cameras. These components are ideal for demanding applications that require long-term storage of high resolution video.

Alarm Detection Systems also offers cloud-based-storage of security video with our ezView solution. Storing video online via HVR provides users with access to both live and archived video anywhere, anytime, by standard Internet browser on a PC or mobile device.

Videofied Video Verification

Your security system should be secure, not hackable
Videofied’s wireless communication is military-grade, spread spectrum and AES encrypted.
Discover why this matters »

Videofied is an alarm system like you’ve never seen before.

A video-verified alarm can make all the difference for all parties involved:

  • Police: verified response, more arrests, reduced crime
  • Property owners: reduced losses, enhanced peace of mind
  • Dealers: better value proposition, more results, happier customers



Security Master (A Division of Alarm Detection Systems, Inc.) is comprised of registered, professional locksmiths. Researching and installing the best door lock for your business can help provide a first line of safety for your employees and other company assets.

Locksmiths’ Services And Products

  • Electric strikes and hardware
  • Re-keying your interior and exterior door locks
  • An extensive line of fire-resistant safes