Williams Controls, Inc. designs, manufactures and sells electronic throttle controls, pneumatic controls, and electronic sensors for heavy trucks, transit buses, off-road equipment and military applications. Electronic throttle controls send a signal proportional to throttle position to adjust the speed of electronically controlled engines. It also produces a line of pneumatic control products, which are generally sold to the same customer base as electronic throttle controls. These pneumatic products are used for vehicle control system applications, such as power take-off�s (PTO�s), and air-control applications. It also designs and manufactures a line of adjustable foot pedals and arm rests, and it is developing joysticks for the off-road market. The Company has a licensing agreement for an adjustable pedal technology, which allows it to sell adjustable pedals in the medium and heavy truck and transit bus markets. It sells its products worldwide.