OSI Systems Inc is a diversified manufacturer specializing in electronic systems and components across security, healthcare, and optoelectronics. Its security division, known for the Rapiscan and S2 brands, offers advanced screening solutions for baggage, cargo, and people, alongside explosive and narcotics detection. In healthcare, under the Spacelabs brand, it provides critical monitoring systems for hospitals and clinics. The company also excels in optoelectronics, offering devices and manufacturing services for industries ranging from aerospace to telecommunications, under brands like OSI Optoelectronics and OSI Electronics. Founded in 1987, OSI Systems is headquartered in Hawthorne, California.