All alarm system customers have critical pieces of information that they just need to know. For example: “I want to know when my kids are coming home from school” or “I want to know that my business will still be there tomorrow.” Don’t guess about these things. Know them. Family owned and operated since 1968, Alarm Detection Systems, Inc. (ADS) understands that nothing is more important than the safety of your family and the protection of your business.

Reasons to Consider Alarm Detection Systems

  • Ranked within the top 25 U.S. alarm companies by SDM Magazine
  • CSAA Five-Diamond Certified, central monitoring station
  • Same day service
  • Over 100 trained and certified technicians
  • Smartphone access & control
  • Municipal code compliance for commercial applications
  • One vendor for many security services
  • A live person will answer when you call


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ADS Recognized for Hiring Veterans

On floor of the United States House of Representatives, United States Congressman Bill Foster recognized the achievements of the Aurora Chamber of Commerce and several businesses. Alarm Detection Systems Inc. was one of the businesses recognized by Bill Foster. We were recognized for our dedication to hiring our Nation’s heroes.

See All Our Awards »


Industry Associations

Central Station Listings
Factory Mutual Approved
Underwriters Laboratories Listed

Industry Associations
APCO International
Automatic Fire Alarm Association (AFAA)
Central Station Alarm Association (CSAA)
Electronic Security Association (ESA)
Illinois Electronic Security Association (IESA)
National Fire Protection Association (NFPA)
Partnership for Priority Video Alarm Response (PPVAR)
Security Industry Alarm Coalition (SIAC)
First Responders Associations
International Association of Chiefs of Police
Illinois Fire Chief’s Association (IFCA)
International Fire Chief’s Association (IFCA)
Illinois Fire Inspector’s Association (IFIA)
Metropolitan Fire Chief’s Association

General Business Organizations
Over 15 Chambers of Commerce, including:
Greater O’Hare, Aurora, Batavia, Naperville. National Federation of Independent Business (NFIB) Illinois Chamber of Commerce—Cornerstone Member

We Proudly Support

A+ Foundation for West Aurora
Anixter Center
Annunciation BVM Catholic
Association for Individual Development (A.I.D.)
Association House of Chicago
Aurora American Legion
Aurora Area Crime Stoppers
Aurora Christian School
Aurora Food Pantry
Aurora Police Department
Aurora Public Library Foundation
Aurora Raiders 14U Girls Softball
Aurora University
Batavia Bulldog Boosters
Batavia Fireworks Committee
Batavia High School Volleyball
Batavia Moose Lodge #0682
CASA Kane County
Catholic Charities
Center On Deafness
Christ Community Church
City Of Aurora
Community Career Center
Delnor Foundation
Dist. 57 Education Foundation
Fox Valley Park District—Kids Golf Outing
Honor Flight Chicago
Iglesia Bautista Emanuel
Illinois Association of Chiefs of Police
Jennings Terrace Nursing Home
Kendall County Special Olympics
Legion of Young Polish Women
Loaves & Fishes Community Pantry
Luxembourg American Cultural Society
Marie Wilkinson Child Development Center
Marmion Alumni
Mutual Ground
National Association of Letter Carriers
National Fire Safety Council
Oswego Foundation for Education
Paramount Arts Centre
Roosevelt University
Rotary Club Of Aurora
Simmons Jr. High School
St. Athanasios
St. Charles Park Foundation
Sunnymere of Aurora
The Larkin Center
Three Fires Council–Boy Scouts of America
University of Illinois Bands
Valley Industrial Association
VNA Health Care
VNA of Fox Valley
Waubonsee Foundation
West Aurora Blackhawks Sports Boosters
West Aurora School Dist 129
Wounded Warrior Project


Respect, Professionalism, and Integrity

These values are instilled in our company culture: which explains why Alarm Detection Systems, Inc. has been an industry leader in business and home security since 1968. We foster ideas within a supportive, collaborative environment that creates success for all. Join a group of exceptional people who share a common passion for providing the highest level of service to thousands of customers every day.

Equal Employment Opportunity

As an Equal Employment Opportunity Employer, Alarm Detection Systems is committed to its principles and complies with all Federal and State equal employment laws and regulations.


Comprehensive Benefits

  • Health, Dental, Life Insurance
  • 401(k) Retirement Plan
  • Competitive wages

On-the-job Training

    Alarm Detection Systems believes in an ongoing training program.

Career Security

  • Family operated since 1968
  • Average employee has over 10 years of experience
  • A+ rating with the Better Business Bureau

Open Positions »