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At Devcon Security Services Corporation, we take security personally. Devcon Security Services Corporation, was founded in 2001 by management team having more than 100 years of security experience. Now, one of the largest security companies in the country, we have grown by building a strong, satisfied, and safe customer base while earning a rock-solid reputation. Currently providing safety to more than 125,000 residential and commercial customers, Devcon Security Services is one of the premier security brands in the market. With the most modern technology available, we provide specialized security based on the specific needs of each individual customer. While other security companies try to increase profits by reducing costs, at Devcon Security Services, we are increasing our business and maintaining customer loyalty through state-of-the-art equipment, the world’s highest rated monitoring centers, and superior customer service.

No matter how you gauge it, from quality products to friendly, professional service, ADT Security Services is America's number one provider of electronic security systems and services. Since 1874, ADT's leadership has been - and still is - based on providing all our customers with uninterrupted safety and peace of mind. ADT's continuing commitment to serving its customers better is borne out in significant numbers.

Residential and Commercial Honeywell burglar and fire alarm installation. 24/7 local monitoring. Low monitoring rates. Serving the Chicago Metro area and suburbs. We have 30yrs+ experience.

Watchtower Security, LLC, has over 35 years of experience collectively. We are your one stop alarm and security system people. Call us today we provide the superior quality service you deserve!

TSS Tech, Inc., is a family owned business serving the Chicago area and suburbs. We do commercial and residential installations for over 10 years all our techs used to work for cable companies, satellite, alarm, etc. For your high tech needs give TSS Tech, Inc., a call today.

Protect Your Home is the largest ADT Authorized Dealer. We market, sell, and install home security systems that can be monitored with ADT's world class security monitoring service. Other than ADT Security Services, Inc., we install more security systems than any other company in the United States. We pride ourselves on our people, our systems, and our ability to train leaders. Because of those principles, you will find our service to be the best in the business. We offer the best deals, the most comprehensive solutions, and the fastest response in the industry.

Reliable Alarm Systems has been serving the Chicagoland area since 1983. We provide the best in Electronic Security for Homes,Business,and Institutions.We provide professional services and installation at affordable prices.

The First Family of Security Companies Hiring the right company can make all the difference in your next project. Our site will guide you through the commercial, residential, and vehicle services we offer. No job is too small or too big, from simple lockouts to complex master key jobs, from changing cores to installing hi tech security equipment. When you call, you will speak with an experienced, knowledgeable area manager who can answer your questions and respond quickly to your needs. Need help on the weekends? No extra charge! Lock problems can happen anytime, either on a random Saturday or even a holiday. We will not charge extra for service during those days.

Since the company started, we have focused extensive resources on the development of our products. We are dedicated to each customer with patience and personal attention. Call us today!

We have 50 years of combined experience. Full Armour Security & Surveillance helps to secure your peace of mind, servicing all of your home and business security protection needs.