Alpha Gamma Delta (ΑΓΔ), also known as Alpha Gam, is an international women's fraternity and social organization. It was founded on May 30, 1904, by eleven female students at Syracuse University in Syracuse, New York, and thus it is the youngest member of the Syracuse Triad of North American social sororities that also includes Gamma Phi Beta (1874) and Alpha Phi (1872). Since its founding, Alpha Gamma Delta has, as of December 2021, initiated over 201,000 members and installed 199 collegiate chapters and more than 250 alumnae groups.
Sigma Alpha (ΣΑ) is a professional agricultural sorority.
Phi Mu (ΦΜ) is the second oldest female fraternal organization established in the United States.
La Unidad Latina, Lambda Upsilon Lambda Fraternity, Inc. is a Latino-based collegiate fraternity. It was founded at Cornell University in Ithaca, New York on February 19, 1982, and has 78 active undergraduate chapters and sixteen graduate alumni professional chapters in universities and cities across the United States.
Zeta Phi Beta Sorority, Inc. (ΖΦΒ) is an International collegiate sorority that is historically African American. In 1920, five women from Howard University envisioned a sorority that would raise the consciousness of their people, encourage the highest standards of scholastic achievement, and foster a greater sense of unity among its members. These women believed that sorority elitism and socializing overshadowed the real mission of progressive organizations. Since its founding Zeta Phi Beta has historically focused on addressing social causes.
Cultural interest fraternities and sororities, in the North American student fraternity and sorority system, refer to general, social organizations oriented to students having a special interest in a culture or cultural identity.
Sigma Alpha Iota (ΣΑΙ) is an international music fraternity. Formed to "uphold the highest standards of music" and "to further the development of music in America and throughout the world", it continues to provide musical and educational resources to its members and the general public. Sigma Alpha Iota operates its own national philanthropy, Sigma Alpha Iota Philanthropies, Inc. Sigma Alpha Iota is a member of the National Interfraternity Music Council and the Professional Fraternity Association.
Lambda Pi Chi Sorority, Incorporated (ΛΠΧ) is a Latina-based, but not Latina-exclusive Greek letter intercollegiate sorority founded on April 16, 1988, at Cornell University by five women.
While most of the traditional women's fraternities or sororities were founded decades before the start of the 20th century, the first ever specifically Christian-themed Greek Letter Organization formed was the Kappa Phi Club, founded in Kansas in 1916. Kappa Phi was a women's sisterhood that developed out of a bible study and remains one of the largest nationally present Christian women's collegiate clubs today. Later organizations added more defined social programming along with a Christian emphasis, bridging the gap between non-secular traditional sororities and church-sponsored bible study groups, campus ministries and sect-based clubs and study groups.
Alpha Lambda Omega Christian Sorority, Incorporated (ΑΛΩ) is an African American inter-denominational Christian sorority. It was founded on April 9, 1990, by four students at the University of Texas at Austin. The sorority consists of sixteen chapters in the states of Texas, Pennsylvania, Michigan, and Oklahoma. It is governed by a national executive board in the headquarters in Houston, Texas.
Sigma Lambda Upsilon (ΣΛΥ) or Señoritas Latinas Unidas Sorority, Inc. is a Latina-based sorority founded on December 1, 1987 at Binghamton University. The organization was created to promote academic achievement and serve the Latino community and the campuses that Sigma Lambda Upsilon serves. The sorority is now present in over 65 campuses. Though Latina-based, Sigma Lambda Upsilon Sorority, Inc. is a non-discriminatory organization. The sorority is a member of the National Association of Latino Fraternal Organizations (NALFO) and is its fourth oldest sororal member by founding date.
Lambda Psi Delta Sorority, Inc. (ΛΨΔ) was a multicultural, community service-based Greek-lettered sorority founded on March 9, 1997. Lambda Psi Delta was established by a group of women known as the Nine Black Diamonds. Lambda Psi Delta was a founding member of the National Multicultural Greek Council (NMGC) but is no longer a member.
Omicron Epsilon Pi (ΟΕΠ) is a non-collegiate American women's sorority with an emphasis on lesbians of color. Founded in 2000, it was the first Greek letter organization catering to the needs of lesbian women.
Gamma Rho Lambda (ΓΡΛ) is a social, college-based sorority for lesbian, gay, bisexual, transgender, non-binary, and allied students. Gamma Rho Lambda has been referred to as the first national multicultural lesbian sorority; however they are inclusive of all gender identities including cisgender women and men, trans women, trans men, and gender variant people of all sexualities and racial identities. As of 2024, GRL consists of eight active chapters across five states with an active membership of over 400, including alum and collegians.
Kappa Alpha Lambda (ΚΑΛ) is an American sorority established for professional lesbians. Founded October 19, 2003, in Atlanta, Georgia, on the campus of Clark Atlanta University. The sorority's mission is to "develop and maintain positive visibility of lesbian women in our communities."
The expansion of Greek letter organizations into Canada was an important stage of the North American fraternity movement, beginning in 1879 with the establishment of a chapter of Zeta Psi at the University of Toronto. In 1883, the same fraternity established a chapter at McGill University. Other early foundations were Kappa Alpha Society at Toronto in 1892 and at McGill in 1899, and Alpha Delta Phi at Toronto in 1893 and at McGill in 1897. The first sorority, Kappa Alpha Theta, was established in Toronto in 1887. In 1902, the first international chapter of Phi Delta Theta was established at McGill University as the Quebec Alpha.
Kappa Theta Epsilon Sorority (ΚΘΕ) is the first Greek-lettered sorority established and incorporated for LGBTQ professional and entrepreneurial women. Membership is exclusive to lesbian women, and primarily college-educated. The sorority was founded February 24, 2009, in Houston, Texas. The organization's founding tenets are sisterhood, fidelity, accomplishment and service.
