OPTEX GROUP Company, Limited plans, develops, and sells sensors in Japan, the United States, Europe, and Asia. It operates through three segments: Sensing Solution Business, Industrial Automation Business, and Electronic Manufacturing Service Business. The company offers intruder detection sensors and systems, industrial door sensors, occupancy sensors and switches, access control and anti-tailgating systems, environmental sensors, IoT wireless units, automation door sensors, vehicle detection sensors and systems, vehicle detectors, and people counting systems. Founded in 1979, it is headquartered in Otsu, Japan.