| Name | Chartered | Institution | Location | Status | Notes | Reference |
|---|---|---|---|---|---|---|
| Alpha (A) | June 5, 1913 | University of Michigan | Ann Arbor, Michigan | Inactive | Inactive since 1997. | TBA |
| Beta (B) | May 11, 1917 | University of Minnesota | St. Paul, Minnesota | Active | Inactive from 1935-41 | TBA |
| Gamma (Γ) | June 2, 1919 | Carnegie Institute of Technology | Pittsburgh, Pennsylvania | Inactive | Inactive since 1959 | TBA |
| Delta (Δ) | May 5, 1918 | Syracuse University | Syracuse, New York | Inactive | Inactive since 1966 | TBA |
| Epsilon (E) | June 6, 1918 | University of Pennsylvania | Philadelphia, Pennsylvania | Inactive | Inactive since 1968 | TBA |
| Zeta (Z) | March 1919 | University of Liverpool | Liverpool, England | Inactive | Inactive since 1930 | TBA |
| Eta (H) | May 12, 1920 | University of California, Berkeley | Berkeley, California | Inactive | Inactive since 1936 | TBA |
| Theta (Θ) | June 7, 1922 | Ohio State University | Columbus, Ohio | Inactive | Inactive since 1935 | TBA |
| Iota (I) | June 6, 1918 | University of Washington, Seattle | Seattle, Washington | Active | TBA | |
| Kappa (K) | June 4, 1930 | Iowa State University | Ames, Iowa | Active | TBA | |
| Lambda (Λ) | June 3, 1931 | University of Southern California | Los Angeles, California | Inactive | Inactive since 1985 | TBA |
| Mu (M) | May 1, 1931 | University of Texas, Austin | Austin, Texas | Inactive | Inactive since 1968 | TBA |
| Nu (N) | June 7, 1947 | Virginia Tech | Blacksburg, Virginia | Active | TBA | |
| Xi (Ξ) | 1948 | University of Oklahoma | Norman, Oklahoma | Active | TBA | |
| Omicron (O) | April 27, 1950 | Kansas State University | Manhattan, Kansas | Active | TBA | |
| Pi (Π) | January 29, 1951 | University of Kansas | Lawrence, Kansas | Inactive | Inactive since ???? | TBA |
| Rho (Ρ) | 1956 | Georgia Institute of Technology | Atlanta, Georgia | Active | TBA | |
| Sigma (Σ) | May 10, 1961 | University of Notre Dame | Notre Dame, Indiana | Active | TBA | |
| Tau (T) | April 13, 1961 | Rice University | Houston, Texas | Active | TBA | |
| Upsilon (Y) | April 12, 1962 | Texas Tech University | Lubbock, Texas | Active | TBA | |
| Phi (Φ) | May 5, 1965 | Clemson University | Clemson, South Carolina | Active | TBA | |
| Chi (X) | May 25, 1918 | University of Illinois | Urbana and Champaign, Illinois | Inactive | Inactive since 1918. | TBA |
| Psi (Ψ) | February 27, 1967 | University of Nebraska-Lincoln | Lincoln, Nebraska | Active | TBA | |
| Omega (Ω) | June 22, 1967 | University of Florida | Gainesville, Florida | Active | TBA |
