Delta Sigma Phi (ΔΣΦ), commonly known as Delta Sig, is a fraternity established in 1899 at The City College of New York (CCNY). It was the first fraternity to be founded based on religious and ethnic acceptance. It is also one of three fraternities founded at CCNY.
Sigma Tau Gamma (ΣΤΓ), commonly known as Sig Tau, is a United States college social fraternity founded on June 28, 1920, at the University of Central Missouri. The fraternity was founded as a result of friendships made while some of the founders fought in World War I in France.
The North American Interfraternity Conference is an association of intercollegiate men's social fraternities that was formally organized in 1910, although it began at a meeting at the University Club of New York on November 27, 1909. The power of the organization rests in a House of Delegates in which each member fraternity is represented by a single delegate. However, the group's executive and administrative powers are vested in an elected board of directors consisting of nine volunteers from various NIC fraternities. Headquartered in Indianapolis, Indiana, the NIC has a small professional staff.
Phi Sigma Kappa (ΦΣΚ), colloquially known as Phi Sig or PSK, is a men's social and academic fraternity with approximately 74 active chapters and provisional chapters in North America. Most of its first two dozen chapters were granted to schools in New England, New York, and Pennsylvania; therefore its early development was strongly Eastern in character, eventually operating chapters at six of the eight Ivy League schools as well as more egalitarian state schools. It later expanded to the South and West.
Delta Delta Delta (ΔΔΔ), also known as Tri Delta, is a global women's fraternity and Greek life organization founded on November 27, 1888 at Boston University by Isabel Zhou, Sarah Ida Shaw, Eleanor Dorcas Pond, Isabel Morgan Breed, and Florence Isabelle Stewart.
Phi Delta Theta (ΦΔΘ), commonly known as Phi Delt, is an international secret and social fraternity founded at Miami University in 1848 and headquartered in Oxford, Ohio. Phi Delta Theta, along with Beta Theta Pi and Sigma Chi form the Miami Triad. The fraternity has over 200 active chapters and colonies in over 44 U.S. states and five Canadian provinces and has initiated more than 310,000 men between 1848 and 2024. There are over 180,000 living alumni. Phi Delta Theta chartered house corporations own more than 135 houses valued at over $200 million as of summer 2024. There are nearly 100 recognized alumni clubs across the U.S. and Canada.
Acacia Fraternity, Inc. is a social fraternity founded in 1904 at the University of Michigan in Ann Arbor, Michigan. The fraternity has 27 active chapters and 3 associate chapters throughout Canada and the United States. The fraternity was founded by undergraduate Freemasons and was originally open only to men who had taken the Masonic obligations, but in 1933 the International Conclave elected to dispense with the Masonic prerequisite. In 1988, at the 45th Conclave, the fraternity elected to use "International" rather than "National" when referring to the fraternity.
Alpha Phi Alpha Fraternity, Inc. (ΑΦΑ) is the oldest intercollegiate historically African American fraternity. It was initially a literary and social studies club organized in the 1905–1906 school year at Cornell University but later evolved into a fraternity with a founding date of December 4, 1906. It employs an icon from Ancient Egypt, the Great Sphinx of Giza, as its symbol. Its aims are "Manly Deeds, Scholarship, and Love For All Mankind," and its motto is "First of All, Servants of All, We Shall Transcend All." Its archives are preserved at the Moorland-Spingarn Research Center.
Phi Beta Sigma Fraternity, Inc. (ΦΒΣ) is a historically African American fraternity. It was founded at Howard University in Washington, D.C., on January 9, 1914, by three young African-American male students with nine other Howard students as charter members. The fraternity's founders, A. Langston Taylor, Leonard F. Morse, and Charles I. Brown, wanted to organize a Greek letter fraternity that would exemplify the ideals of Brotherhood, Scholarship and Service while taking an inclusive perspective to serve the community as opposed to having an exclusive purpose. The fraternity exceeded the prevailing models of Black Greek-Letter fraternal organizations by being the first to establish alumni chapters, youth mentoring clubs, a federal credit union, chapters in Africa, and a collegiate chapter outside of the United States. It is the only fraternity to hold a constitutional bond with a historically African-American sorority, Zeta Phi Beta (ΖΦΒ), which was founded on January 16, 1920, at Howard University in Washington, D.C., through the efforts of members of Phi Beta Sigma.
Sigma Kappa is a sorority founded on November 9, 1874 at Colby College in Waterville, Maine.
Alpha Zeta (ΑΖ) is an honorary professional fraternity for students and industry professionals in agricultural and natural resources fields. It was founded in 1897 at Ohio State University and was the first collegiate society for agriculture.
A colony is a probationary body of a national fraternity or sorority. It can be considered a new Greek organization that is awaiting official recognition from their international headquarters to maintain a chapter on their college’s campus. A group wishing to become a member of a fraternity or sorority must first petition for status as a colony. The entire membership of the colony remains as uninitiated associates, usually learning and operating under the guidance of an advisor from the national organization and/or from a sponsoring chapter.
Alpha Epsilon Pi (ΑΕΠ), commonly known as AEPi, is a college fraternity founded at New York University in 1913. The fraternity has more than 150 active chapters across the United States, Canada, United Kingdom, and Israel, and has initiated more than 110,000 members. Although the fraternity is based upon Jewish principles, it is non-discriminatory and is open to all who are willing to espouse its purpose and values regardless of their particular faith tradition.
Tau Kappa Epsilon (ΤΚΕ), commonly known as ΤΚΕ or Teke, is a social college fraternity founded on January 10, 1899, at Illinois Wesleyan University. The organization has chapters throughout the United States and Canada, making the Fraternity an international organization. Since its founding in 1899, Tau Kappa Epsilon Fraternity has never had an exclusionary or discriminatory clause to prevent individuals from joining and has instead admitted members based on their "personal worth and character". As of fall 2023, there are 221 active ΤΚΕ chapters and colonies with over 298,000-lifetime members.
Kappa Sigma (ΚΣ), commonly known as Kappa Sig or KSig, is an American collegiate social fraternity founded at the University of Virginia in 1869. Kappa Sigma is one of the five largest international fraternities with currently 318 active chapters and colonies in North America. Its endowment fund, founded in 1919, has donated more than $5 million to undergrads since 1948. In 2012 alone, the Fraternity's endowment fund raised over $1 million in donations.
Alpha Tau Alpha (ΑΤΑ) is an American professional honorary agricultural education organization for those who have chosen a major in agricultural education or extension education.
Phi Mu Alpha Sinfonia (ΦΜΑ) is an American collegiate social fraternity for men with a special interest in music. The fraternity is open to men "who, through a love for music, can assist in the fulfillment of [its] object and ideals either by adopting music as a profession or by working to advance the cause of music in America." Phi Mu Alpha has initiated more than 260,000 members, known as Sinfonians, and the fraternity currently has over 7,000 active collegiate members in 249 collegiate chapters throughout the United States.
Kappa Pi (ΚΠ) International Art Honor Society is an international collegiate art honor fraternity that was established at the University of Kentucky in Lexington, Kentucky in 1911. It is the oldest collegiate art fraternity and is open to any student who has talent for or supports visual art. Kappa Pi has 360 collegiate chapters across the United States, the Philippines, and Mexico.
In North America, fraternities and sororities are social organizations at colleges and universities. They are sometimes collectively referred to as Greek life. Generally, membership in a fraternity or sorority is obtained as an undergraduate student but continues thereafter for life. Some accept graduate students as well. Individual fraternities and sororities vary in organization and purpose, but most share five common elements:
- Secrecy
- Single-sex membership
- Selection of new members based on a two-part vetting and probationary process known as rushing and pledging
- Ownership and occupancy of a residential property where undergraduate members live
- A set of complex identification symbols that may include Greek letters, armorial achievements, ciphers, badges, grips, hand signs, passwords, flowers, and colors
Ceres International Women's Fraternity is a social women's fraternity focused on Agriculture founded on August 17, 1984 at the International Conclave of FarmHouse fraternity.
