PACA is affiliated with the following preservation groups.  For information about the organizations contact PACA or the group directly.

Landmarks Illinois (formerly Landmarks Preservation Council of Illinois, LPCI) – landmarks.org

National Trust for Historic Preservation (PACA is a Forum member) – nthp.org

Preservation Action (a national preservation lobbying group) – preservationaction.org

Illinois Association of Historic Preservation Commissions – http://www.iahpc.org/

Illinois Heritage Association - http://www.shout.net/~ilhertge

Champaign County Historical Museum – www.champaignmuseum.org/

Society for the Preservation of Greek Housing – www.spgh-foundation.org/