Organization	URL
Japan Society of Color Material	http://www.shikizai.org/
Japan Concrete Blocks Association	http://www.jcba-jp.com/index.htm
Lanxess (Bayferrox)	http://www.lanxess.com/
Bayferrox Construction Material	http://www.kensetu-bukka-m.co.jp/bayferrox/
Nubiola	http://www.nubiola.es/
BASF	http://www.basf-japan.co.jp/apw/Japan/Japan/ja_JP/portal
View Planning Co., Ltd.	http://www.view-planning.co.jp/index.html