TRW Commercial Steering Systems (formerly TRW Ross Gear Division) operates manufacturing facilities in seven countries: the United States, Mexico, Brazil, Germany, Spain, India, and China. TRW Commercial Steering Systems supplies complete heavy-duty steering systems as well as individual components worldwide for on- and off-highway vehicle applications.
North American manufacturing operations are located in Lafayette, Indiana; Portland, Michigan; and Lebanon, Tennessee. The Lafayette facility produces tilt/telescope steering columns; ColumnDrive (an electronic motor, programmed to sense driving conditions, mounted to a column to provide an easier, less fatiguing driving experience); intermediate slip columns; and high-pressure steering pumps. The Portland, Michigan, plant produces steering linkage and suspension components, including tie rods, adjustable and fixed drag links and torque rods. The Lebanon, Tennessee, plant manufactures TAS integral power steering gears and THP high-pressure integral steering gears with PCF (Positive Center Feel) option.