The Cedar Valley Linux Users Group.

A group of Linux and other free *nix enthusiasts located in central Iowa. Meetings are held in Des Moines.

Linux Users in the Quad Cities of Iowa and Illinois (Davenport, Moline, Bettendorf, Rock Island).

SCLUG is a group of Linux hobbyists, professionals and enthusiasts in the vicinity of Sioux City, Iowa which is located in the tri-state area of Iowa, Nebraska and South Dakota.