772 Oak Creek Dr, Lombard, IL 60148

(630) 424-8700 debbi@gmkav.com

AV is our passion, service is our specialty

Ask us how we can help

GMK Inc. is a leading provider of custom audio, visual, and control systems to clients in the Chicago area as well as across the US. Our experienced technicians help clients in some of the fastest-paced industries solve some of the most difficult AV challenges today.

Whether it be commercial audio and video, home theaters, or live performance venues, we’ve got you covered. We’ve served some of the world’s most prominent companies (McDonald’s, Bally Total Fitness, Buffalo Wild Wings) as well as local businesses and organizations, and strive to meet each client’s needs by listening carefully and presenting solutions tailored to their unique situation.


Expert installation and service

Our experienced technicians will do the job right the first time, and provide all the necessary support to keep your system performing the way you need it to.


Free consultation

We will evaluate your project free of charge and listen carefully to your needs. Being in business nearly 30 years has taught us that no two projects are exactly the same.

Professional-grade products

We use the highest quality components and products from trusted name brands so you can count on your equipment performing for the long haul.

“It is the anniversary of the church’s projector and hanging screen installation, and I am happy to report that we are pleased with our equipment! We use it every Sunday and have not had ANY problems/issues in the last year. Thank you for your excellent work…a pleasure to work with you!”


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