Gooch & Housego PLC is a UK-based company that manufactures and sells a range of optical and precision products globally. The company operates in Aerospace & Defence, Life Sciences/Biophotonics, and Industrial segments, and offers acousto-optic products, crystal optics, electro-optics, fiber optics, and precision optics/systems. The products are used in various industries such as semiconductor, telecommunications, metrology, and scientific research. The company also develops and manufactures medical and in vitro diagnostic devices. Gooch & Housego plc was founded in 1948 and is headquartered in Ilminster.