AATCC http://www.aatcc.org
Inter-Society Color Council http://www.iscc.org
DataColor http://industrial.datacolor.com/
SDL Atlas http://www.sdlatlas.com/
Tricor Systems http://www.tricor-systems.com/
Hero http://www.hero.ca/
Ink Maker http://inkmaker.com/ENG/index.html
Prism Instruments prisminstruments.com