Core Purpose

To be instrumental to our customers’ success by delivering intuitive human interface solutions that make life simpler, safer and more efficient.



Who we Are

Since our founding in 1943, Grayhill has been committed to providing top-quality human interface solutions for a wide range of applications. We take pride in having been the first in our field to achieve ISO 9001 certification. More recently, we were among the first to be certified to the SAE AS9100 Revision C Quality Management System (QMS) for defense organizations.

We continue to build upon our history of quality innovation in the design and manufacturing of human interface devices. Our 4G quality improvement initiative, our accredited laboratory capabilities and certificates verifying compliance with industry standards sets us apart.

What we Do

Grayhill Inc. designs and manufactures a broad line of electro-mechanical components for human interface. Standard products include Optical & Mechanical Encoders; Multi Touch Products, Rotary, Pushbutton, DIP and Rotary DIP Switches; Joysticks, Keypads, I/O Modules and Racks. Target markets include military, aerospace, medical, industrial and defense.

How we Do It

With headquarters just outside of Chicago, and multiple state-of-the-art facilities around the world, Grayhill has the engineering expertise and vertical integration to deliver both standard and customized products quickly and cost-effectively.