アイホン株式会社 manufactures intercom, nurse-call and residential fire alarm equipment. The company publishes a dedicated 日本消防検定協会 検定合格品 page listing the products that have passed JFEII type-conformity testing, and it is named in the Fire and Disaster Management Agency notice listing JFEII-certified residential fire alarm manufacturers. It supplies apartment-block systems combining door stations with 住宅用火災警報器 and 自動火災報知設備 interfaces.