Grayhill, Inc.

Grayhill, Inc.

Since 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. For more information on our 4G quality improvement initiative, our accredited laboratory capabilities and certificates verifying compliance with industry standards, please visit the Quality Homepage.

To achieve continuous improvement, we employ top talent in many fields, including electrical and mechanical design engineering, quality control and planning. If interested in joining our team, visit the Careers page for a listing of current openings.

Mar 11, 2015

Grayhill Inc. received Rockwell Collins’ 2015 Innovation Brand Pillar Award for its efforts to continually move the aerospace and defense industry forward. The award was presented to Grayhill during the company’s Annual Supplier Conference for their support and progressive solutions with rock-solid reliability that customers expect from Rockwell Collins.

Jul 27, 2015

Grayhill, Inc. has released its new 14 Series surface mount key switch that combines an IP67 seal and LED illumination. With an operational life of over 1 million cycles at full power, this push button will provide positive tactile feedback for the life of the assembly. This compact switch is small enough to fit on handheld devices and tough enough for use outdoors in wet or dirty environments.

Mar 13, 2015

We are pleased to announce the opening of a new state-of-the-art manufacturing facility in McCook, Illinois, only 2.7 miles, or 5 minutes, from our headquarters in La Grange, Illinois. As our business continues to grow and expand, the additional space will allow us to maintain our excellent customer service and quality levels as we accommodate the increase in order volume and growth in size of the final assemblies.

Apr 17, 2015

Grayhill, Inc. has released its new 5-inch touch screen display for construction and agriculture vehicles. The Series3D50 combines a powerful processor with intuitive software tools for developing custom graphics, text messages and gauges for monitoring and interacting with an off-highway vehicle’s engine control unit (ECU) and other onboard systems.

Oct 23, 2015

Grayhill, Inc. has released the production version of its new software for creating custom screens on its Series 3D50 CAN-bus Display. VUI Builder is a PC based software tool for developing custom graphics, text messages and gauges for monitoring and interacting with an off-highway vehicle’s electronic control unit (ECU) and other onboard systems.

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Mailing address:

561 Hillgrove Avenue
La Grange, IL 60525-5997
United States of America


For general product information or sales inquiries, contact sales support at:
Phone: 708.354.1040
Fax: 708.354.2820

Franchised distributors can reach dedicated support personnel at:
Phone: 708.482.2123
Fax: 708.482.2276