TRW Automotive Holdings Corp., through its subsidiaries, designs, manufactures, and sells automotive systems, modules, and components for automotive original equipment manufacturers and related after-markets. The company operates in three segments: Chassis Systems, Occupant Safety Systems, and Automotive Components. The Chassis Systems segment offers product lines relating to steering gears and systems, foundation brakes, brake controls, linkage and suspension, and modules. The Occupant Safety Systems segment provides air bags, seat belts, safety electronics, steering wheels, and security electronic systems. The Automotive Components segment offers engine valves, body controls, and engineered fasteners and components. The company offers its products for passenger cars, light trucks, and commercial vehicles. TRW Automotive Holdings sells its products primarily in the United States, the United Kingdom, and Germany. The company was founded in 1904 and is based in Livonia, Michigan.