ニッタン株式会社 develops, manufactures, installs and inspects fire detection equipment, extinguishing systems and residential smoke alarms, producing several million detectors a year. Its 感知器・受信機 and 住宅用火災警報器 hold 日本消防検定協会 検定合格, its NST Ⅱ-A package-type automatic extinguishing system is listed with 認定番号 PGA-012号, and it is registered under the 日本火災報知機工業会 火災報知システム専門技術者 scheme (code NK). It is a Secom group company.