National

Democratic National Committee http://www.democrats.org/
 

Democratic Congressional Campaign Committee http://www.dccc.org

Democratic Senatorial Campaign Committee http://www.dscc.org

Young Democrats of America http://www.yda.org

Organizing for America - BarackObama.com

State

Illinois Democratic County Chairmen's Association http://www.ildcca.org

Illinois Senate Democrats http://www.ilsenatedems.org 

Democratic Party of Illinois http://www.ildems.com

Illinois Democratic Women http://www.illinoisdemocratwomen.org

Southwestern Illinois Democratic Networking Group (SWING): http://www.demsswing.org

Illinois Democrats http://www.il-democrats.org

Illinois Federation of College Democrats http://www.freewebs.com/ifcd