OPTEX GROUP Co., Ltd. engages in the development, design, manufacture, and sale of sensors and similar systems. It operates through the following segments: Sensing Solution (SS), Factory Automation (FA), Machine Vision Lighting (MVL), Electronics Manufacturing Service (EMS), and Others. The SS segment develops and designs electronic parts and sensors for security devices, automatic doors, water quality measuring equipment, and traffic-related systems. The FA segment manufactures factory automation products. The MVL segment handles the light-emitting diode lighting device for image processing. The EMS segment provides electronic equipment manufacturing service. The Others segment deals with software development and sports club operations. The company was founded by Tatsuya Arimoto and Toru Kobayashi on May 25, 1979 and is headquartered in Otsu, Japan.