ISSI’s commitment to customer service sets us apart in the Chicagoland market. We have the fastest response times throughout the entire ordering process.

Real live people will be available to take your call!

Quick Estimates

After your initial inquiry, a security expert gets back to you quickly (typically same day) to discuss your needs further.

Quick Installation

ISSI can often set up a visit within a few days of your call. We can quickly provide you with options and install the technology you select.

Ability to Meet Deadlines

ISSI has over three decades of experience working on complex projects where the ability to deliver results by a strict deadline is key. We know how to work with other trades (builders, painters, electricians, etc…) in order to ensure deadlines are met.

Attention to Detail

ISSI goes above and beyond to ensure our clients get the exact security system they need. Whether that means finding unique custom-plating lock cylinders to match existing hardware or working to ensure complex aesthetic preferences can be met, ISSI goes the extra mile to ensure our clients get best-in-class service.