Organization name | Letters | Founding date | University | Type |
Alpha Beta Chi | ABX | | University of Puerto Rico, Río Piedras Campus | Fraternity |
Eta Gamma Delta | ΗΓΔ | | University of Puerto Rico, Río Piedras Campus | Sorority |
Mu Alpha Phi | ΜΑΦ | | University of Puerto Rico, Río Piedras Campus | Sorority |
Nu Sigma Beta | ΝΣΒ | | University of Puerto Rico, Río Piedras Campus | Fraternity |
Phi Eta Mu | ΦΗΜ | | University of Puerto Rico, Río Piedras Campus | Fraternity |
Phi Delta Gamma | ΦΔΓ | | University of Puerto Rico at Mayagüez | Fraternity |
Phi Sigma Alpha | ΦΣΑ | | University of Puerto Rico, Río Piedras Campus | Fraternity |
Organization name | Letters | Founding date | University | Type |
Sigma Lambda Beta | ΣΛΒ | | University of Iowa | Fraternity |
| ΛΣΥ | | Rutgers University - New Brunswick | Fraternity |
Alpha Rho Lambda | ΑΡΛ | | Yale University | Sorority |
Alpha Sigma Omega | ΑΣΩ | | Syracuse University | Sorority |
Gamma Alpha Omega | ΓΑΩ | | Arizona State University | Sorority |
Gamma Ce Upsilon | ΓCΥ | | SUNY Stony Brook | Sorority |
Gamma Iota Omicron | ΓΙΟ | | Washington State University | Fraternity |
Gamma Phi Sigma | ΓΦΣ | | Temple University | Fraternity |
Delta Pi Rho | ΔΠΡ | | Purdue University | Fraternity |
Delta Sigma Chi | ΔΣΧ | | California State University, Long Beach | Coed |
Delta Tau Lambda | ΔΤΛ | | University of Michigan, Ann Arbor | Sorority |
Delta Phi Mu | ΔΦΜ | | Purdue University | Sorority |
Lambda Theta Alpha | ΛΘΑ | | Kean College | Sorority |
Lambda Iota Upsilon | ΛΙΥ | | SUNY Delhi | Fraternity |
Lambda Kappa Kappa | ΛΚΚ | | Texas Wesleyan University | Fraternity |
Lambda Phi Delta | ΛΦΔ | | SUNY Buffalo | Sorority |
Mu Iota Upsilon | ΜΙΥ | | SUNY Delhi | Sorority |
| O eMe T | | Washington State University | Fraternity |
Pi Lambda Chi | ΠΛΧ | | University of Colorado at Boulder | Sorority |
Sigma Delta | ΣΔ | | Rensselaer Polytechnic Institute | Sorority |
Sigma Delta Alpha | ΣΔΑ | | San Jose State University | Fraternity |
Sigma Delta Lambda | ΣΔΛ | | Texas State University–San Marcos | Sorority |
Sigma Lambda Alpha | ΣΛΑ | | Texas Woman's University | Sorority |
Sigma Lambda Gamma | ΣΛΓ | | University of Iowa | Sorority |
Sigma Pi Alpha | ΣΠΑ | | University of California, Berkeley | Sorority |
Sigma Omega Nu | ΣΩΝ | | | Sorority |
Phi Delta Psi Eta | ΦΔΨΗ | | Pennsylvania State University - University Park | Fraternity |
Phi Lambda Rho | ΦΛΡ | | California State University, Stanislaus | Sorority |
Organization name | Letters | Founding date | University | Type |
Alpha Zeta | AZ | | Cornell University | Fraternity |
Alpha Lambda Mu | ΑΛΜ | | University of Pennsylvania | Fraternity |
Beta Lambda Delta | ΒΛΔ | | Johnson & Wales University | Fraternity |
Zeta Phi Gamma | ΖΦΓ | | Texas Tech University | Sorority |
Kappa Alpha Rho | ΚΑΡ | | University of Texas at Austin | Sorority |
Lambda Tau Delta | ΛΤΔ | | SUNY Buffalo | Sorority |
Lambda Sigma Alpha | ΛΣΑ | | University of Arizona | Fraternity |
L.I.U.N. | L.I.U.N. | | Louisiana State University | Fraternity |
Pi Delta Phi a | ΠΔΦ | | Massachusetts Institute of Technology | Fraternity |
Sigma Alpha Chi | ΣΑΧ | | Missouri State University | Sorority |
Sigma Delta Alpha c | ΣΔΑ | | University of Puerto Rico | Fraternity |
Sigma Iota b | ΣΙ | | Louisiana State University | Fraternity |
Sigma Iota Alpha | ΣΙΑ | | Louisiana State University | Sorority |
Sigma Lambda Sigma | ΣΛΣ | | Johnson & Wales University | Sorority |
Phi Chi Delta | ΦΧΔ | | Louisiana State University | Fraternity |
Phi Theta Chi | ΦΘΧ | | Binghamton University | Sorority |
Phi Lambda Alpha a b | ΦΛΑ | | University of California, Berkeley | Fraternity |
Phi Lambda Alpha | ΦΛΑ | | Kansas State University | Fraternity |
Phi Beta Mex | | | UTEP | Fraternity |
Psi Alpha Kappa | ΨΑΚ | | Lehigh University | Fraternity |
Psi Sigma Delta | ΨΣΔ | | Columbia University | Fraternity |
Quetzal | QZ | | | Sorority |