Northeastern State University
Kappa Rho Chapter 257
Tahlequah
Installed May 13, 1966

Oklahoma Baptist University
Beta Eta Chapter 55
Shawnee
Installed June 8, 1928

Oklahoma State University
Lambda Chapter 11
Stillwater
Installed April 16, 1921

Oral Roberts University
Alpha Beta Lambda Chapter 635
Tulsa
Installed March 10, 2004

Southeastern Oklahoma State University
Beta Delta Chapter 52
Durant
Installed May 14, 1928

Southern Nazarene University
Phi Tau Chapter 523
Bethany
Installed October 26, 1995

Southwestern Oklahoma State University
Mu Kappa Chapter 298
Weatherford
Installed November 19, 1970

University of Central Oklahoma
Gamma Omega Chapter 96
Edmond
Installed April 27, 1935

University of Oklahoma
Gamma Chapter 3
Norman
Installed April 23, 1915

University of Science and Arts of Oklahoma
Pi Omega Chapter 408
Chickasha
Installed February 26, 1985

University of Tulsa
Gamma Kappa Chapter 82
Tulsa
Installed May 30, 1931