American Chemistry Council Diisocyanates Panel
https://dii.americanchemistry.com/
European Aliphatic Isocyanates Producers Association (ALIPA)
http://www.alipa.org/
European Diisocyanate & Polyol Producers Association (ISOPA)
http://www.isopa.org/
American Chemistry Council Center for the Polyurethanes Industry (ACC CPI)
https://polyurethane.americanchemistry.com/
China Polyurethane Industry Association (CPIA)
http://www.sinopu.org
EUROPUR
http://www.europur.com/
Japan Urethane Industry Institute (JUII) and Japan Urethane Raw Materials Association (JURA)
http://www.urethane-jp.org/
Polyurethane Foam Association (PFA) (USA)
http://www.pfa.org/
Korea Polyurethane Society
http://www.kpus.or.kr/