OSI Systems, Inc., together with its subsidiaries, designs, manufactures, and sells electronic systems and components worldwide. The company's Security segment provides baggage and parcel inspection, cargo and vehicle inspection, hold baggage and people screening, radiation detection, and explosive and narcotics trace detection systems under the Rapiscan Systems name. This segment also offers site design, installation, training, and technical support services; and turnkey security screening solutions under the S2 name. Its Healthcare segment provides patient monitoring, diagnostic cardiology, anesthesia delivery and ventilation systems, defibrillators, and related supplies and accessories under the Spacelabs, Primedic, and Statcorp Medical names for use in critical care, emergency, and perioperative areas within hospitals, as well as physicians' offices, medical clinics, ambulatory surgery centers, and public facilities. The company's Optoelectronics and Manufacturing segment offers optoelectronic devices for the aerospace and defense, avionics, medical imaging and diagnostics, biochemistry analysis, pharmaceutical, nanotechnology, telecommunications, construction, and homeland security markets. This segment also provides electronics manufacturing services to original equipment manufacturers for medical, automotive, defense, aerospace, industrial, and skin care applications primarily under the OSI Electronics, APlus Products, Briton EMS, Union Four, and Altaflex names; and LCD displays for medical, industrial, and consumer electronics applications, as well as flex circuits and touch panels. In addition, it offers laser-based remote sensing devices to detect and classify vehicles in toll and traffic management systems under the OSI Laserscan and Autosense names; and solid-state laser products for aerospace, defense, telecommunication, and medical applications under the OSI LaserDiode name. The company was founded in 1987 and is headquartered in Hawthorne, California.