Overview OSI Systems companies have a long history of developing innovative solutions to bring a better quality of life to the world. With more than 30 years of combined experience in the field of optoelectronics our OSI Optoelectronics (OSIO) division is a diversified manufacturer of standard and custom photodiodes and optical sensors for used in aerospace, defense, commercial and medical applications. We are one of the largest global manufacturers of optoelectronic devices, delivering engine