Alpha Chapter [MOTHER CHAPTER]
Located at the University of Iowa in Iowa City, Iowa. Founded February 10, 1923. The first officers were: Clinton Smoke, President; Theodore D. Pals, Vice-President; George C. K. Johnson, Secretary; and Herbert K. Shore, Treasurer. Alpha chapter has been inactive since World War II.
Located at the University of Minnesota in Minneapolis, Minnesota. Founded May 26, 1923. Beta chapter became inactive in 1968, and was reactivated through the efforts of alumni in the Minneapolis area in the spring of 1970.
Located at Kansas University in Lawrence, Kansas. Founded February 2, 1924. Gamma chapter has been inactive since 1968.
Located at the University of Wisconsin in Madison, Wisconsin. Founded February 9, 1924. Delta chapter is presently active.
Located at the Massachusetts Institute of Technology in Cambridge, Massachusetts. Founded May 17, 1924. Epsilon chapter has been inactive since World War II.
Located at the Georgia Institute of Technology in Atlanta, Georgia. Founded in April of 1928. Zeta chapter has been inactive since World War II.
Located at Kansas State College in Manhattan, Kansas. Founded May 9, 1935. Eta chapter has been inactive since World War II.
Located at the Milwaukee School of Engineering in Milwaukee, Wisconsin. Founded April 6, 1957. Theta chapter is presently active.
Located at St. Cloud State University in St. Cloud, Minnesota. Founded November 11, 1990. Iota chapter is currently active.