International Rectifier Corporation: Company Report
International Rectifier (IR) sets electricity on the right path. The company is a major manufacturer of power semiconductors, which refine the electricity flowing into a device from a battery or a power grid, thus enabling more efficient operation. IR's products -- including MOSFETs (metal oxide semiconductor field-effect transistors), diodes, and rectifiers -- are used in consumer appliances, automobiles, computers, communication devices, lighting, and military applications. Top customers include Alcatel, Boeing, Robert Bosch, Lucent, Mitsubishi, Philips, Siemens, and Sony. More than three-fifths of IR's sales are to customers outside the US.