P3-D000038 - Otto Horn Button w/hardware... OTTO, located in Carpentersville, Illinois has been in business since 1961. OTTO is a vertically integrated manufacturer that produces a full line of switches, operator controls and custom solutions that perform in some of the toughest applications including industrial, construction, agricultural, medical, material handling, military and aerospace sectors. OTTO is recognized worldwide for enhanced performance and innovative products, specializing in a broad range of switches and operator control grips including joysticks with Hall Effect technology, J1939, CAN & PWM communication protocols. We are ISO 9001:2000 certified and maintain the highest quality standards. For more information, visit www.ottoexcellence.com.