株式会社鈴木シャッター designs, manufactures and installs heavy fire and smoke shutters, fire-resistant cross screens and the Apia W and Apia S steel fire doorsets. Its 法規資料 library publishes downloadable 国土交通大臣認定 certificates, including 特定防火設備 EA-0184, EA-0189, EA-0190 and EA-0436-1 and composite approvals CAS-0221, CAS-1015 and CAS-1029, while its BT-AⅡ movable 防煙たれ壁 holds 日本建築センター 防災性能評定 BCJ-防災-565 for gravity-rotating smoke compartmentation. It is a first-class Japan Shutter & Door Association member (JSDA-1006).