Down Syndrome Association of Los Angeles

http://www.dsala.org/

Down Syndrome Association of Orange County

www.dsaoc.org

Down Syndrome Foundation of Orange County

www.dsfoc.org

Down Syndrome Information Alliance

www.downsyndromeinfo.org

Down Syndrome Association of San Diego
http://dsasdonline.org/dsasd.cfm?pid=Health

Down Syndrome Association Imperial Valley
http://www.dsaiv.org

Fresno Area Down Syndrome Society
 http://www.fadss.net

Down Syndrome Association of Hemet
http://www.dsaoh.org

Bay Area Buddy Walk
http://www.bayareabuddywalk.com

Down Syndrome Connection of the Bay Area
 http://www.dsconnection.org

Sonoma County Down Syndrome Support
http://sonomacountydownsyndromesupport.org