Grayhill, Inc. is a leading design and manufacturer in the field of custom operating interface solutions, switching and electronic components. Products include control panels, keyboards, rotary switches, optical and mechanical encoders, joysticks, buttons, I/O modules, racks, and DIP switches. Grayhill has the engineering design, development and manufacturing of professional technology, can provide high quality standard and customized products, since its inception in 1943, has always been committed to a variety of applications for defense, aerospace, medical, agriculture, construction, automotive and electronics industries to provide high quality solutions.