Nohmi Bosai Ltd. engages in the provision of fire protection systems and integrated fire protection services. It operates through the following segments: Fire Alarm Systems, Fire Extinguishing Systems, and Maintenance Services. The Fire Alarm Systems segment develops automatic fire alarm, fire doors, smoke control, and environmental monitoring systems. The Fire Extinguishing Systems segment offers sprinkler and foam systems, and fire protection equipment for large-scale buildings and facilities. The Maintenance Services segment provides maintenance and inspection services such as online monitoring, repair, and telephone support services. The company was founded by Teruichi Nohmi in December 1916 and is headquartered in Tokyo, Japan.