GrayHill 9 months ago ID: #819007 Listed In : Manufacturing & Distribution 561 West Hillgrove Avenue, La Grange, IL, 60525 708-354-1040 https://www.grayhill.com/ Business Description Grayhill designs and manufactures intuitive interfaces. Our standard products include the Touch EncoderTM, optical encoders and joysticks, rotary switches, keypads, pushbuttons, and CAN bus vehicle controls. Reviews & Ratings Write a Review No Review. Please login / register to add your review.