Intuitive Human Interface Solutions


Grayhill's new state-of-the-art facility will open in McCook, Illinois
This award honors Rockwell Collins' suppliers that move the aerospace and defense industry forward through continuous innovation.​
Grayhill has partnered with JEM Technical to offer system integration and development services to our customers in the Off-Highway vehicle market.
Visit us at Intermat and view our new 5 inch display.
Grayhill will be exhibiting at several tradeshows this year. Mark your calendars and visit us at the following upcoming events.​


4G Quality Initiative

4G-LogoGrayhill's quality department has developed a company-wide structure to drive continuous improvement. The 4G quality initiative covers all facets of Grayhill's business, including design engineering, customer service, throughput and of course manufacturing from goods-in to orders shipped. All employees are encouraged to question quality and look for ways to improve the business by streamlining processes, changing methods, identifying constraints and tracking to goals.  The name '4G' is a reminder of the following principles:

  • Grayhill Passion for Customer Satisfaction
  • Grayhill Professional Engineering
  • Grayhill Pride in Consistent Production
  • Grayhill Workflow Efficiency

labequipmentISO Certifications

ISO 9001:2008 Certificate-USA
ISO 9001:2008 Certificate-Shenzhen, China
ISO 9001:2008 Certificate-Iola, USA

Aerospace / defense Certification

AS9100 Revision C Certificate


Mil Facility Approval

RoHS Compliance

Compliance Status by Product Type (XLS)

Dip Switches
Lead Free Process Compatibility Report (PDF)
Lead Free Tin Whiskering Report (PDF)

Rotary Switch and Mechanical Encoder
Compliance Information - Revised 2/23/06 (PDF)
RoHS Plating Selection Report

REACH Statement

Reach Statement

Conflict Minerals Statement

Conflict Minerals Statement
Conflict Minerals Declaration

Mil-Qualification Approval

50 Series
51 Series

Product Advisory Notices

Product Advisory Notices


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