OSI Systems, Inc. (OSIS) is a global company specializing in the design and production of advanced electronic systems and components. Its operations are structured across three distinct business segments: Security, Healthcare, and Optoelectronics and Manufacturing. The Security division focuses on comprehensive screening and detection technologies. This includes systems for inspecting luggage, packages, cargo, vehicles, and individuals, alongside solutions for radiation, explosive, and narcotics detection. Key product lines are marketed under names such as Rapiscan Systems, AS&E, and Gatekeeper. Beyond hardware, the segment delivers integrated security screening services, including site planning, installation, user training, and ongoing technical support, with dedicated solutions offered via the S2 brand. Within the Healthcare segment, the company provides patient monitoring and diagnostic cardiology systems, complete with necessary supplies and accessories. These critical care solutions, branded predominantly as Spacelabs, are deployed in a range of medical environments, including hospitals (specifically critical care, emergency rooms, and surgical areas), physicians' offices, medical clinics, and ambulatory surgery centers. The Optoelectronics and Manufacturing segment supplies various optoelectronic devices, marketed under brand names such as OSI Optoelectronics, OSI LaserDiode, OSI Laserscan, Semicoa, and Advanced Photonix. These devices cater to diverse high-tech sectors including aerospace, defense, avionics, medical imaging and diagnostics, biochemical analysis, pharmaceuticals, nanotechnology, telecommunications, construction, and homeland security. Additionally, it provides electronics manufacturing services (EMS) to both original equipment manufacturers (OEMs) and direct end-users, serving applications in medical, automotive, defense, aerospace, industrial, and consumer sectors through brands like OSI Electronics, APlus Products, Altaflex, and PFC. This segment also produces LCD displays for medical, industrial, and consumer electronics, along with flexible circuits tailored for OEM clients. Further expanding its offerings, the segment develops laser-based remote sensing technology, notably under the OSI Laserscan and Autosense brands, to identify and categorize vehicles in toll collection and traffic management systems. It also manufactures solid-state laser products, specifically for aerospace, defense, telecommunications, and medical applications, marketed under the OSI LaserDiode name. Established in 1987, OSI Systems is headquartered in Hawthorne, California.