Charter Date : July 8, 1975
Chapter Key : 549
Chapter Seat (City) : Springfield
District : Illinois
Alumni
Charter Date : February 13, 1976
Chapter Key : 552
Chapter Seat (City) : Madison
District : Wisconsin
Charter Date : April 5, 1976
Chapter Key : 555
Chapter Seat (City) : Carbondale
District : Illinois
Charter Date : April 14, 1976
Chapter Key : 556
Chapter Seat (City) : Elmhurst
District : Illinois
Charter Date : 1978
Chapter Key : 563
Chapter Seat (City) : Cedar Falls
District : Iowa
Charter Date : December 4, 1977
Chapter Key : 566
Chapter Seat (City) : Rock Island
District : Illinois
Charter Date : August 2, 1980
Chapter Key : 579
Chapter Seat (City) : Bloomington
District : Indiana
Charter Date : May 2, 1981
Chapter Key : 588
Chapter Seat (City) : Tiffin
District : Iowa
Charter Date : May 15, 1981
Chapter Key : 589
Chapter Seat (City) : Bloomington
District : Illinois
Charter Date : May 17, 1981
Chapter Key : 583
Chapter Seat (City) : Benton Harbor
District : Michigan
Charter Date : January 1, 1982
Chapter Key : 594
Chapter Seat (City) : Columbia
District : Missouri
Charter Date : 1983
Chapter Key : 600
Chapter Seat (City) : Manhattan
District : Kansas