Williams Controls is one of the leaders in electronic throttle controls for commercial vehicles throughout the world. The company works in partnership with original equipment manufacturing customers to provide custom designs for specific applications. Williams Controls also offers adjustable pedal systems for the truck, bus and recreational vehicle markets. The company provides a selection of standard designs available for many vehicle applications. Williams Controls supplies products, such as hydraulic and pneumatic components, transmission modulators and regulating, directional and relay valves. The company has formed a strategic alliance with American Industrial Partners. Williams Controls has been in operation for more than 40 years and is headquartered in Portland, Ore.