Instituto Nacional de Tecnología Industrial (INTI)
http://www.inti.gov.ar

Instituto de Racionalización Argentina de Materiales (IRAM)
http://www.iram.com.ar

American National Standards Institute
http://www.ansi.org

American Water Works Association (AWWA)
http://www.awwa.org

American Society for Testing and Materials (ASTM)
http://www.astm.org

NACE International
http://www.nace.org/nace/index.asp

Water Quality Association
http://www.wqa.org

Cooling Tower Association
http://www.cti.org

DWR Homepage (International Water Conference)
http://www.dwr.water.ca.gov

National Association of Power Engineers (NAPE)
http://www.powerengineers.com