Computer Keyboard

Client Testimonials

  • Paul K. Chicago

    The expertise, training and support from Quinlan has been second to none.

  • Mike W. Chicago

    We’ve seen the competition, and we prefer Quinlan.

  • Darryl B. Willmington

    Totally satisfied with our Video Intercom and Quinlan's service.

  • Michael M. Orland Park

    Quinlan's employees take the time to do it right.

  • Mark D. Orland Park

    Quinlan's employees possess the understanding of customer satisfaction.

  • Charlie S. Crete

    We are very happy with Quinlan.


Quinlan Security Systems
9830 W. 190th Street, Suite B
Mokena, IL 60448

Phone: (708) 478-0707
Fax: (708) 478-0333

Free Security Assessment

We offer a free Security Assessment. We will review your current system for any issues impacting corporate liability. After our Security Assessment, we will suggest any improvements that would improve your security. Complete the form below and we will contact you to set up the free Security Assessment.

Note: * indicates a required field

verification image, type it in the box

Why Quinlan? Service. Expertise. Support. Reliability.

Service Quinlan is a local, family owned company. We are committed to exceeding customer expectations through dedicated employees who care about our customers, our work and each other.
Expertise At Quinlan, we specialize in custom designed systems using the latest products and technology. Our technicians are industry trained & certified with an average experience of 16 years.
Support We offer advanced training to help you get the most out of your system. We offer ongoing customer education through important security tips and the latest technology updates.
Reliability Our 24-hour central security monitoring station is among the most responsive in the field, with immediate notification and action-response.