Gathering in the Chicago area. Includes meeting times, install fest information and a mailing list.

LUG of the DePaul University. Site contains a mailing list, a web forum and meetings information.

The Linux Users Group of Springfield, Illinois and the surrounding area.

Northwest Chicagoland Linux User Group.

Vendor-independent organization dedicated to promoting Open Systems and the Linux and UNIX operating systems.

Linux users group of Carbondale (Southern Illinois University) and the surrounding area.