OSI Systems, Inc.

OSI Systems makes security screening equipment that airports, government buildings, and other facilities use to inspect baggage, cargo, vehicles, and people for threats like explosives and narcotics. They also operate security checkpoints at some locations under their S2 brand. Beyond security, the company manufactures medical monitoring devices for hospitals, including bedside monitors and portable heart-rhythm recorders. They produce electronic components like circuit board assemblies and optical systems used in various industries.