Quinlan Security Systems Vehicles

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.


The Quinlan Security Group has been serving Chicagoland and NW Indiana for over 37 years. We've grown from a small lock business to a leader in IP video surveillance, access control, high security locks and service, and the latest in residential and commercial burglary and fire alarms. At Quinlan, we pride ourselves on being a friendly and knowledgeable source for any and all of your security needs.

The Quinlan Story

Learn about our humble beginnings.

The Quinlan Difference

Find out how a Quinlan designed, installed and supported system is different.

Products & Professional Associations

We’ve aligned ourselves with the industry’s leading manufacturers and organizations.

Our Partners

View a list of our business partners.

Community Involvement

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Find out what our customers have to say.

Case Studies

See examples of Quinlan Security Systems in action.

What's New?

Keep up with the latest Quinlan Security Systems news.

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.