American Association for State and Local History: www.aaslh.org
Association of Professional Genealogists: https://www.apgen.org/
Chicago Genealogical Society: http://www.chicagogenealogy.org/
DuPage County Genealogical Society: http://www.dcgs.org/
Illinois State Genealogical Society: http://www.ilgensoc.org/
Illinois State Historical Society: http://www.historyillinois.org/
International Preservation Studies Center (Formerly known as the Campbell Center for Historic Preservation Studies):
http://www.preservationcenter.org/
Kane County Genealogical Society: http://www.rootsweb.ancestry.com/~ilkcgs/
Lake County Genealogical Society: https://lakecountyilgenealogy.org/
McHenry County Illinois Genealogical Society: https://www.mcigs.org/
Midwest Archives Conference: http://www.midwestarchives.org/
National Genealogical Society http://www.ngsgenealogy.org/
RUSA-History Section: http://www.ala.org/rusa/sections/history
Small Museum Association: www.smallmuseum.org
Society of American Archivists: http://www2.archivists.org/
South Suburban Genealogical and Historical Society: https://ssghs.org/
WI Local History and Preservation Annual conference: http://www.wisconsinhistory.org/Content.aspx?dsNav=N:4294963828-4294963805&dsRecordDetails=R:CS3325
Zion Genealogical Society of Lake County: http://www.rootsweb.ancestry.com/~ilzgs/