Japan
- English site
http://www.iris1946-en.com/ - BUTTON-MUSEUM
http://www.iris.co.jp/muse/ - IRIS Production Department/Section 1
https://www.iris.jp/ - TECHNOLOGY FAR EAST CORPORATION
https://www.ustf.co.jp/ - Taiseiplas Co.,Ltd
https://www.iris.jp/
Overseas offices
- Shanghai IRIS
http://iris-sh.com/ - Taiwan IRIS
https://www.facebook.com/taiwaniris/ - Dalian IRIS
http://www.dliris.com/
