セコム株式会社 operates Japan’s largest network of alarm receiving centres, monitoring fire, gas, intruder and building-plant alarms through its online security services and dispatching emergency response crews. It is a licensed 警備業者 authorised under 警備業法 by prefectural public safety commissions, with the 警備業法第6条 標識 displayed at each licensed office. Its 防火・防災・設備監視 line specifically covers remote monitoring of 自動火災報知設備 and building fire-safety plant.