www.cidso.org
Heart of Illinois Down Syndrome Association
www.hoidsa.com
Riverbend Down Syndrome Parent Support Group
www.altonweb.com/cs/downsyndrome/index.htm
Beverly Farm Foundation
http://www.beverlyfarm.org
Down Syndrome Development Counsel
http://www.theddc.org/
Livingston Area Down Syndrome Society
http://www.ladss.org
Champaign County Down Syndrome Network
http://www.champaigndsn.org/
Chicagoland Buddy Walk
http://www.chicagolandbuddywalk.org/