The Eta Epsilon chapter (#173) at Illinois State University was installed April 16, 1977. The Gamma Pi chapter performed the Ritual and installation ceremony. Charter members of the Eta Epsilon chapter include: Edward Czemerda; Daniel Dietrich; Rich Evans; Robert Henthorne; Cliff Kaminsky; Lawrence Klasen; Marvin Paramore; Frank Payton, Jr.; Robert Smeets; Dan Valkema; Mark Victor; Mark DalPozzo; and George Foeller.