​National Tree

Alpha Chapter @ Arizona State University
Beta Chapter @ University of Arizona
Gamma Chapter @ University of Washington
Delta Chapter @ Washington State University
Epsilon Chapter @ University of Wisconsin-Parkside
Zeta Chapter @ reserved
Eta Chapter @ University of Idaho
Theta Chapter @ University of Wisconsin-Oshkosh
Iota Chapter @ Texas Tech University
Kappa Chapter @ Oregon State University
Lambda Chapter @ University of Houston
Mu Chapter @ Unversity of Wisonsin-Milwaukee
Nu Chapter @ Baylor University
Xi Chapter @ University of Houston-Downtown
Omicron Chapter @ Northern Arizona University
Pi Chapter @ Humboldt State University
Rho Chapter @ California State University-Northridge
Sigma Chapter @ University of the Pacific
Tau Chapter @ University of Illinois at Urbana-Champaign
Upsilon Chapter @ University of Oregon
Phi Chapter @ University of Wisconsin-Whitewater
Psi Chapter @ Eastern Washington University
Omega Chapter @ reserved
Alpha Alpha Chapter @ University of New Mexico

Alpha Beta Chapter @ California State University-Fresno

Alpha Gamma Chapter @ New Mexico Highlands University 

Alpha Delta Chapter @ Heritage University

Alpha Epsilon Chapter @ Texas A&M University

Alpha Zeta Chapter @ Carroll University