The Illinois Library Computer Systems Organization (ILCSO) is a consortium of sixty-five Illinois libraries that share an online union catalog, ILLINET Online. The mission of ILCSO is to enhance and expand access to and effectively utilize information resources through collaborative partnerships among ILCSO members and with the Illinois library community. ILCSO membership includes the libraries of each state-supported university, thirty-six private colleges and universities, thirteen community colleges, the Illinois Mathematics and Science Academy, the Newberry Library, and the Illinois State Library.

Mission Statement

Goverance Documents

Membership Information

Illinois Library Computer Systems Organization: A Brief History