Professional Fraternities And Sororities
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Professional fraternities, in the North American fraternity system, are organizations whose primary purpose is to promote the interests of a particular profession and whose membership is restricted to students in that particular field of
professional A professional is a member of a profession or any person who works in a specified professional activity. The term also describes the standards of education and training that prepare members of the profession with the particular knowledge and skil ...
education or study. This may be contrasted with
service fraternities and sororities Service fraternity may refer to any fraternal public service organization, such as the Kiwanis or Rotary International. In Canada and the United States, the term fraternal organization is more common as "fraternity" in everyday usage refers to f ...
, whose primary purpose is community service, and social fraternities and sororities, whose primary purposes are generally aimed towards some other aspect, such as the development of character, friendship, leadership, or literary ability. Professional fraternities are often confused with honor societies because of their focus on a specific discipline. Professional fraternities are actually significantly different from honor societies in that honor societies are associations designed to provide recognition of the past achievement of those who are invited to membership. Honor society membership, in most cases, requires no period of pledging, and new candidates may be immediately inducted into membership after meeting predetermined academic criteria and paying a one-time membership fee. Because of their purpose of recognition, most honor societies will have much higher academic achievement requirements for membership. Professional fraternities, on the other hand, work to build brotherhood among members and cultivate the strengths of members in order to promote their profession and to provide assistance to one another in their mutual areas of professional study. Membership in a professional fraternity may be the result of a pledge process, much like a social fraternity, and members are expected to remain loyal and active in the organization for life. Within their professional field of study, their membership is exclusive; however, they may initiate members who belong to other types of fraternities.


History

The first professional fraternity was founded at
Transylvania University Transylvania University is a private university in Lexington, Kentucky. It was founded in 1780 and was the first university in Kentucky. It offers 46 major programs, as well as dual-degree engineering programs, and is accredited by the Southern ...
in
Lexington, Kentucky Lexington is a city in Kentucky, United States that is the county seat of Fayette County, Kentucky, Fayette County. By population, it is the List of cities in Kentucky, second-largest city in Kentucky and List of United States cities by popul ...
in 1819: the Kappa Lambda Society of Aesculapius, established for the purpose of bringing together students of the medical profession. The fraternity lasted until about 1858. Of the professional fraternities still in existence, the oldest is
Phi Delta Phi Phi Delta Phi () is an international legal honor society and the oldest legal organization in continuous existence in the United States. Phi Delta Phi was originally a professional fraternity but became an honor society in 2012. The fraternity ...
founded at the
University of Michigan , mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As o ...
in 1869; however, Phi Delta Phi changed its mission in 2012 to become an honor society for law school students.


Title IX applied to professional fraternities

Professional fraternities, in the United States fraternity system, are usually co-educational in accord with Federal Title IX of the Education Amendments of 1972 (commonly referred to as "
Title IX Title IX is the most commonly used name for the federal civil rights law in the United States that was enacted as part (Title IX) of the Education Amendments of 1972. It prohibits sex-based discrimination in any school or any other educat ...
"). This federal law discourages discrimination on the basis of sex in any college or university receiving federal financial assistance. However, the membership practices of social fraternities and sororities are exempt from Title IX in section (A)(6)(a). The
U.S. Department of Education The United States Department of Education is a Cabinet-level department of the United States government. It began operating on May 4, 1980, having been created after the Department of Health, Education, and Welfare was split into the Department ...
(DOE) regulations adopted pursuant to Title IX also allow such an exception for "the membership practices of social fraternities and sororities." (34 C.F.R. Sec. 106.14(a)). Prior to Title IX, many professional fraternities were all male and most professional sororities/women's fraternities were all female. Several of these professional fraternities and sororities even considered themselves both professional and social organizations because they often emphasized the social aspects of their activities. During the ensuing years since the enactment of Title IX, single-sex professional fraternities and sororities became coeducational to conform to Title IX. Several organizations simply opened their membership both men and women. For example,
Phi Chi (''Phthomen Chraismein'') en, First to Serve , colors= Olive green & white , symbol= Adult Tiger Beetle (''Cicindela patruela''), Doodlebug , flower= Lily of the Valley , publication= ''The Chronicles''; formerly ''The Quarterly'' , chapters= 1 ...
(medicine) opened membership to women in 1973;
Phi Beta Phi Beta Fraternity: National Professional Association for the Creative and Performing Arts () is an American national professional college fraternity for the creative and performing arts. It was founded in 1912 at Northwestern University in Evan ...
(music and speech) opened membership to men in 1976; and
Delta Omicron Delta Omicron () is a co-ed international professional music honors fraternity whose mission is to promote and support excellence in music and musicianship. History Delta Omicron International Music Fraternity was founded on September 6, 1909 at ...
(music) opened membership to men in 1979. A few single-sex groups merged with other organizations, such as Phi Delta Delta, a women's professional law fraternity, merged with
Phi Alpha Delta Phi Alpha Delta Law Fraternity, International ( or P.A.D.) is the largest professional law fraternity in the United States. Founded in 1902, P.A.D. has since grown to 717 established pre-law, law, and alumni chapters and over 330,000 initiated m ...
(law) in 1972. Despite the fact that Title IX was enacted in 1972, there continues to be professional fraternities and sororities or their chapters that have not become coeducational and therefore, do not conform to Title IX. Generally, these groups still claim to be both professional and social organizations, for instance, Alpha Gamma Rho (men in agriculture),
Alpha Omega Epsilon Alpha Omega Epsilon () is a social and professional sorority for women in engineering and technical sciences. The sorority was founded by twenty-seven female engineering students at Marquette University on November 13, 1983, and four months late ...
(women in engineering), and
Sigma Phi Delta Sigma Phi Delta () is an international professional-social fraternity of engineers. As "The Premier International Fraternity of Engineers", the organization is the only fraternity of its kind that draws its membership exclusively from male enginee ...
(men in engineering). Several social fraternities and sororities have membership practices of selecting their members primarily from students enrolled in particular majors or areas of study, including
Phi Mu Alpha Sinfonia Phi Mu Alpha Sinfonia Fraternity of America (colloquially known as Phi Mu Alpha Sinfonia, Phi Mu Alpha, or simply Sinfonia) () is an American collegiate social fraternity for men with a special interest in music. The fraternity is open to men "w ...
,
Phi Sigma Rho Phi Sigma Rho (), also known as Phi Rho or PSR, is a social sorority for individuals who identify as female or non-binary in science, engineering, and engineering technologies. The sorority was founded in 1984 at Purdue University. The first ch ...
, and
Triangle A triangle is a polygon with three Edge (geometry), edges and three Vertex (geometry), vertices. It is one of the basic shapes in geometry. A triangle with vertices ''A'', ''B'', and ''C'' is denoted \triangle ABC. In Euclidean geometry, an ...
. Nevertheless, these groups are social, rather than professional, organizations. Although they select members from students in a particular field of study, like a professional fraternity, they are single-sex social organizations because their purposes focus only on the social development of their members. Examples of groups that have been officially granted exemption from Title IX by the DOE to remain single-sex include
Sigma Alpha Iota Sigma Alpha Iota () is a women's 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 m ...
in 1981 and Phi Mu Alpha Sinfonia in 1983.


Umbrella organizations

Many professional fraternities, particularly those of the highest esteem and reputation, are members of the
Professional Fraternity Association The Professional Fraternity Association (PFA) is an American association of national, collegiate, professional fraternities and sororities that was formed in . Since PFA groups are discipline-specific, members join while pursuing graduate (law, me ...
(PFA). This group resulted in 1978 from a merger of the
Professional Interfraternity Conference The Professional Fraternity Association (PFA) is an American association of national, collegiate, professional fraternities and sororities that was formed in . Since PFA groups are discipline-specific, members join while pursuing graduate (law, me ...
(PIC) (for men's groups) and the
Professional Panhellenic Association The Professional Fraternity Association (PFA) is an American association of national, collegiate, professional fraternities and sororities that was formed in . Since PFA groups are discipline-specific, members join while pursuing graduate (law, me ...
(PPA) (for women's groups). In 2013, faced with an increase in campus policies that require student organizations to take all students, the PFA adopted a resolution against All Comers policies.


List of professional fraternities


Art

* –
Kappa Pi Kappa Pi () International Art Honor Society, founded in 1911 at the University of Kentucky in Lexington, Kentucky, is an International Collegiate Art Honorary Fraternity. It is open to any student who has talent for or supports visual art. Kappa ...
– art; co-ed international fraternity


Agriculture

* – Alpha Gamma Rho
agriculture Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to ...
; men's fraternity, not co-ed * – Alpha Gamma Sigma – agriculture; men's fraternity, not co-ed * –
Alpha Tau Alpha Alpha Tau Alpha () is a National Professional Honorary Agricultural Education Organization for those who have chosen a major in agricultural education or extension education. History The general purpose of vocational agriculture-to educate pres ...
– agriculture and extension education * – Alpha Zeta – agriculture; originally a men's fraternity, co-ed since 1972 * –
Delta Theta Sigma Delta Theta Sigma () is a social professional agricultural fraternity. It was created in 1906 at The Ohio State University. There are currently seven active chapters of Delta Theta Sigma. Purpose of Delta Theta Sigma As stated in its constitutio ...
– agriculture; co-ed * –
Sigma Alpha Sigma Alpha () is a professional agricultural sorority. History On January 26, 1978, five students, Ann Huling Mathews, Cindie Davis, Marilyn Burns, Jennifer McMillan and Amy Mathews, founded Sigma Alpha at the Ohio State University. Since that ...
– agriculture; women's sorority, not co-ed by chapter


Business

* – Alpha Kappa Psi
business Business is the practice of making one's living or making money by producing or Trade, buying and selling Product (business), products (such as goods and Service (economics), services). It is also "any activity or enterprise entered into for pr ...
; originally a men's fraternity, co-ed since 1976 * – Alpha Iota - business; women's sorority with only one collegiate chapter at
Tiffin University Tiffin University is a private university in Tiffin, Ohio. It was founded in 1888 and is accredited by the Higher Learning Commission. The university offers undergraduate and graduate degree programs at the main campus in Tiffin, Ohio; the Unive ...
* –
Delta Sigma Pi Delta Sigma Pi () (officially the International Fraternity of Delta Sigma Pi, Inc.) is a coeducational professional business fraternity and one of the largest in the United States. Delta Sigma Pi was founded on November 7, 1907, at the Schoo ...
– business; originally a men's fraternity, co-ed since 1975 * – Epsilon Nu Tau – entrepreneurship; co-ed * –
Eta Phi Beta Eta Phi Beta (ΗΦΒ) is an African american business sorority founded in October 1942 by 11 business majors. Eta Phi Beta was founded in Detroit, Michigan at the historically black Lewis Business College. In 1997, the organization had 91 chapte ...
– business; African-American women's sorority * –
Gamma Iota Sigma Gamma Iota Sigma () is a collegiate professional fraternity, founded on April 16, 1966 at Ohio State University, Columbus, Ohio. Gamma Iota Sigma is an international professional fraternity organized to promote, encourage and sustain student int ...
insurance Insurance is a means of protection from financial loss in which, in exchange for a fee, a party agrees to compensate another party in the event of a certain loss, damage, or injury. It is a form of risk management, primarily used to hedge ...
, risk management, actuarial sciences; co-ed * ΙΦΛ -
Iota Phi Lambda Iota Phi Lambda Sorority Inc. () is the first African American Greek-lettered business sorority established by African American business women. There are now more than 100 chapters with membership numbering more than 1300 in 85 cities and the US ...
- business and professional; African-American women's sorority * – Phi Chi Theta – business; originally a women's sorority, co-ed since 1976 * – Phi Gamma Nu – business; originally a women's sorority, co-ed since 1974 * –
Pi Sigma Epsilon Pi Sigma Epsilon () is a professional fraternity for students and industry professionals in Marketing and Sales Management. It was founded in 1952 at Georgia State University Georgia State University (Georgia State, State, or GSU) is a public ...
marketing Marketing is the process of exploring, creating, and delivering value to meet the needs of a target market in terms of goods and services; potentially including selection of a target audience; selection of certain attributes or themes to emph ...
,
sales Sales are activities related to selling or the number of goods sold in a given targeted time period. The delivery of a service for a cost is also considered a sale. The seller, or the provider of the goods or services, completes a sale in ...
; originally a men's fraternity, co-ed since 1974 * –
Sigma Iota Epsilon Sigma Iota Epsilon () is a National Honorary and Professional Management Fraternity. Purpose The stated goals of Sigma Iota Epsilon are; *To stimulate interest and achievement in the field of management; *To stimulate scholarship in management; * ...
-
management Management (or managing) is the administration of an organization, whether it is a business, a nonprofit organization, or a Government agency, government body. It is the art and science of managing resources of the business. Management includ ...
; originally a recognition society, now an honorary and professional society. Co-ed since 1927


Chiropractic

* – Alpha Delta Upsilon
chiropractic Chiropractic is a form of alternative medicine concerned with the diagnosis, treatment and prevention of mechanical disorders of the musculoskeletal system, especially of the spine. It has esoteric origins and is based on several pseudosci ...
; women's sorority * – Chi Rho Sigma – chiropractic; co-ed * –
Delta Sigma Chi Delta Sigma Chi () is an American fraternal organization for professionals in the area of Chiropractic. History In 1913, there were three chiropractic schools in Davenport, Iowa: the Palmer School of Chiropractic, Universal College of Chiro ...
– chiropractic; men's fraternity * – Pi Kappa Chi – chiropractic; men's fraternity * –
Sigma Phi Chi Sigma (; uppercase Σ, lowercase σ, lowercase in word-final position ς; grc-gre, σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase Σ is used as ...
– chiropractic women's sorority


Engineering, architecture, and science

* –
Alpha Chi Sigma Alpha Chi Sigma () is a professional fraternity specializing in the fields of the chemical sciences. It has both collegiate and professional chapters throughout the United States consisting of both men and women and numbering more than 70,000 me ...
– chemistry; co-ed * –
Alpha Omega Epsilon Alpha Omega Epsilon () is a social and professional sorority for women in engineering and technical sciences. The sorority was founded by twenty-seven female engineering students at Marquette University on November 13, 1983, and four months late ...
– engineering; women's sorority; not co-ed * –
Alpha Rho Chi Alpha Rho Chi () is a professional co-educational college fraternity for students studying architecture and related professions. The fraternity's name is derived from the first three letters of the Greek word for architecture, ἀρχιτεκτ ...
– architecture; co-ed * –
Alpha Sigma Kappa Alpha Sigma Kappa – Women in Technical Studies ( – WiTS) is a social sorority for women in the fields of mathematics, architecture, engineering, technology and the sciences. The sorority was founded at the University of Minnesota in 1989 by ...
– architecture, engineering, mathematics, and sciences; women's social sorority * –
Kappa Eta Kappa Kappa Eta Kappa () is a co-ed professional fraternity, nationally recognized in the United States, that was founded in 1923 at the University of Iowa. KHK requires that members are majoring or will major in electrical engineering, computer enginee ...
– electrical and computer engineering; co-ed * – Kappa Theta Pi – information technology; co-ed * –
Phi Sigma Rho Phi Sigma Rho (), also known as Phi Rho or PSR, is a social sorority for individuals who identify as female or non-binary in science, engineering, and engineering technologies. The sorority was founded in 1984 at Purdue University. The first ch ...
– science, technology, engineering, mathematics; social sorority for women and non-binary persons * – Pi Delta Nu – chemistry; women's sorority * –
Sigma Phi Delta Sigma Phi Delta () is an international professional-social fraternity of engineers. As "The Premier International Fraternity of Engineers", the organization is the only fraternity of its kind that draws its membership exclusively from male enginee ...
– engineering; men's fraternity; not co-ed * – Theta Tau – engineering; nationally co-ed since 1977, but not co-ed by chapter * Triangle –
Triangle Fraternity (Truth Conquers All) , maxim = , colors = Old Rose Gray , symbol = Engineers' transit , flower = White chrysanthemum , flag = , jewel = , publication = ''Triangle Review'' , philanthropy = FIRST , chapters = 38 Active 4 Colonies , members = 1,20 ...
– engineering, architecture, and sciences; men's social fraternity * – Zeta Rho – engineering; computer science; co-ed


Environment and Sustainability

* – Epsilon Eta – environmental; co-ed * – Theta Psi – sustainability; co-ed


Law

* –
Delta Theta Phi Delta Theta Phi () is a professional law fraternity and a member of the Professional Fraternity Association. Delta Theta Phi is the only one of the two major law fraternities to charter chapters (senates) in the United States at non-American Bar ...
law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior,Robertson, ''Crimes against humanity'', 90. with its precise definition a matter of longstanding debate. It has been vario ...
; originally a men's fraternity, co-ed since 1971 * –
Gamma Eta Gamma Gamma Eta Gamma () is a professional law fraternity and was a member of the Professional Fraternity Association. Chapters are limited to law schools on the approved list of the American Bar Association. History Gamma Eta Gamma was founded on Fe ...
– law; co-ed * – Kappa Alpha Pi – law; co-ed * –
Kappa Beta Pi Kappa Beta Pi () is a Legal Association which was formerly a professional law sorority in the United States. History Kappa Beta Pi was founded at Chicago-Kent College of Law, Chicago, Illinois on . Its Founders were: The sorority was incorporat ...
– law; women's sorority * –
Phi Alpha Delta Phi Alpha Delta Law Fraternity, International ( or P.A.D.) is the largest professional law fraternity in the United States. Founded in 1902, P.A.D. has since grown to 717 established pre-law, law, and alumni chapters and over 330,000 initiated m ...
– law; co-ed * – Phi Delta Delta – law; women's (merged with Phi Alpha Delta) * –
Phi Delta Phi Phi Delta Phi () is an international legal honor society and the oldest legal organization in continuous existence in the United States. Phi Delta Phi was originally a professional fraternity but became an honor society in 2012. The fraternity ...
– law; co-ed, technically a legal society, but undergraduate halls are considered professional fraternities at most schools * – Sigma Alpha Nu – law; co-ed


Medicine

* – Alfa Kappa Pi – medicine; Dominican Republic and Puerto Rico * –
Alpha Gamma Kappa Alpha Gamma Kappa ( or AGK) is the oldest and largest professional fraternal organization for students and practitioners of podiatric medicine in the United States. The fraternity was founded in 1939 at the Dr. William M. Scholl College of Podia ...
podiatry Podiatry () or podiatric medicine () is a branch of medicine devoted to the study, diagnosis, medical and surgical treatment of disorders of the foot, ankle, and leg. A Doctor of Podiatric Medicine (DPM), or a podiatrist, is a healthcare ...
; co-ed * – Alpha Delta Theta – medical technology; women's sorority * – Alpha Epsilon Iota – medical sorority * –
Alpha Kappa Kappa Alpha Kappa Kappa () is a medical school fraternity that was founded on September 29, 1888, at Dartmouth Medical School. History AKK operated as a national organization that had over 60 chapters at various medical schools throughout the United ...
– medicine * – Alpha Omega
dentistry Dentistry, also known as dental medicine and oral medicine, is the branch of medicine focused on the teeth, gums, and mouth. It consists of the study, diagnosis, prevention, management, and treatment of diseases, disorders, and conditions o ...
; co-ed * –
Alpha Psi Alpha Psi () is a professional Veterinary Medicine fraternity started at the Ohio State University College of Veterinary Medicine in 1907. History Founded by twenty-two students in Veterinary Medicine at the Ohio State University, Alpha Psi w ...
veterinary medicine Veterinary medicine is the branch of medicine that deals with the prevention, management, diagnosis, and treatment of disease, disorder, and injury in animals. Along with this, it deals with animal rearing, husbandry, breeding, research on nutri ...
* –
Alpha Tau Delta Alpha Tau Delta () is a professional fraternity for students and industry professionals in the nursing fields. It was founded in 1921 at University of California, Berkeley as Alpha Tau. History Alpha Tau Sorority Nursing students at University ...
nursing Nursing is a profession within the health care sector focused on the care of individuals, families, and communities so they may attain, maintain, or recover optimal health and quality of life. Nurses may be differentiated from other health ...
; co-ed * –
Alpha Tau Sigma Alpha Tau Sigma () was a professional medical fraternity that ceased operations in 1964. History Alpha Tau Sigma Fraternity was a professional medical fraternity founded in 1912 at the American School of Osteopathy, now the private A.T. Still Un ...
– medical * –
Beta Sigma Kappa Beta (, ; uppercase , lowercase , or cursive ; grc, βῆτα, bē̂ta or ell, βήτα, víta) is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2. In Modern Greek, it represents the voiced labiod ...
– optometry * –
Chi Eta Phi Chi Eta Phi Sorority, Inc () is an international, nonprofit, professional service organization for registered professional nurses and student nurses, representing many cultures and diverse ethnic backgrounds.African American African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...
women's sorority * –
Delta Epsilon Mu Delta Epsilon Mu, Incorporated () is a co-ed fraternity in the United States for students and professionals in clinical or applied practice with interests or focus in pre-health or health-related fields. It has active chapters in New York, Cal ...
health Health, according to the World Health Organization, is "a state of complete physical, mental and social well-being and not merely the absence of disease and infirmity".World Health Organization. (2006)''Constitution of the World Health Organiza ...
* –
Delta Sigma Delta Delta Sigma Delta (), founded on , is the oldest and largest of the international professional dental fraternities, pre-dating Xi Psi Phi (1889), Psi Omega (1892) and Alpha Omega (1907). History Its inception came when two dental students, L ...
– dentistry * – Epsilon Psi Epsilonoptometry; now-local fraternity at
Ohio State University The Ohio State University, commonly called Ohio State or OSU, is a public land-grant research university in Columbus, Ohio. A member of the University System of Ohio, it has been ranked by major institutional rankings among the best publ ...
* – Kappa Gamma Deltaall-female pre-medical * –
Kappa Tau Epsilon Kappa (uppercase Κ, lowercase κ or cursive ; el, κάππα, ''káppa'') is the 10th letter of the Greek alphabet, representing the voiceless velar plosive sound in Ancient and Modern Greek. In the system of Greek numerals, has a value ...
– podiatry * – Mu Epsilon Delta – health * –
Nu Sigma Nu Nu Sigma Nu () was an international professional fraternity for medicine, now existing as a handful of stable remaining chapters. It was founded on 2 March 1882 by five medical students at the University of Michigan, who identified as their immed ...
– medicine * – Hygeia Medical Sorority – medicine – Universidad Mayor de San Simón * – Omega Delta – optometry; formed 1919 at Southern Cal College of Optometry * –
Omega Tau Sigma Omega Tau Sigma () is a Veterinary Medicine professional fraternity started at the University of Pennsylvania School of Veterinary Medicine in 1906. History Omega Tau Sigma was founded by several students in Veterinary Medicine at the Universi ...
– veterinary medicine * –
Omega Upsilon Phi Omega Upsilon Phi () was a medical fraternity founded at the University at Buffalo on . Its Founders were: The crest was a shield displaying a monogram of the Omega Upsilon Phi letters below an eye. The colors are crimson and gold and the fl ...
– medicine; defunct after
Phi Beta Pi Phi Beta Pi () medical fraternity is a professional fraternity founded in 1891 at the West Pennsylvania Medical College. History Phi Beta Pi medical fraternity is a professional fraternity founded March 10, 1891, at the West Pennsylvania Medical ...
1934 merger; ''Alpha chapter'' joined
Phi Chi (''Phthomen Chraismein'') en, First to Serve , colors= Olive green & white , symbol= Adult Tiger Beetle (''Cicindela patruela''), Doodlebug , flower= Lily of the Valley , publication= ''The Chronicles''; formerly ''The Quarterly'' , chapters= 1 ...
* –
Phi Alpha Gamma Phi Alpha Gamma () is a professional fraternity founded at the New York Homeopathic Medical College, March 25, 1894, by Thomas D. Buchanan, Thomas F. Davies, Edmund M. De Vol, Robert M. Jones, Brooks DeF. Worwood, Arthur B. Smith and Harry S. Wil ...
osteopathic medicine Osteopathy () is a type of alternative medicine that emphasizes physical manipulation of the body's muscle tissue and bones. Practitioners of osteopathy are referred to as osteopaths. Osteopathic manipulation is the core set of techniques in ...
; merged with
Phi Chi (''Phthomen Chraismein'') en, First to Serve , colors= Olive green & white , symbol= Adult Tiger Beetle (''Cicindela patruela''), Doodlebug , flower= Lily of the Valley , publication= ''The Chronicles''; formerly ''The Quarterly'' , chapters= 1 ...
in 1948 * –
Phi Alpha Sigma Phi (; uppercase Φ, lowercase φ or ϕ; grc, ϕεῖ ''pheî'' ; Modern Greek: ''fi'' ) is the 21st letter of the Greek alphabet. In Archaic and Classical Greek (c. 9th century BC to 4th century BC), it represented an aspirated voicele ...
– medicine * –
Phi Beta Pi Phi Beta Pi () medical fraternity is a professional fraternity founded in 1891 at the West Pennsylvania Medical College. History Phi Beta Pi medical fraternity is a professional fraternity founded March 10, 1891, at the West Pennsylvania Medical ...
– medicine * –
Phi Chi (''Phthomen Chraismein'') en, First to Serve , colors= Olive green & white , symbol= Adult Tiger Beetle (''Cicindela patruela''), Doodlebug , flower= Lily of the Valley , publication= ''The Chronicles''; formerly ''The Quarterly'' , chapters= 1 ...
– medicine * –
Phi Delta Epsilon Phi Delta Epsilon () (commonly known as PhiDE) is a co-ed international medical fraternity and a member of the Professional Fraternity Association. History Phi Delta Epsilon was founded on October 13, 1904, at Cornell University Medical College. ...
– medicine * –
Phi Kappa Mu The Phi Kappa Mu () is a medical fraternity based in the University of the Philippines College of Medicine. The Greek letters stands for Fraternity of the College of Medicine. Founded in August 1933, it is the oldest medical fraternity in the ...
– University of the Philippines College of Medicine * –
Phi Lambda Kappa Phi Lambda Kappa () is a professional medical fraternity that was founded at the University of Pennsylvania in 1907. History The fraternity, founded as a local of this same name in 1907 at the University of Pennsylvania, grew into a national of ...
– medicine * –
Phi Sigma Gamma Phi Sigma Gamma () (PSG) is an American men's osteopathic medical fraternity. The fraternity was established in Chicago, Illinois by a merger between two previously existing osteopathic fraternities, Phi Sigma Beta and Phi Omicron Gamma, each of ...
– men's osteopathic fraternity * –
Phi Rho Sigma Phi Rho Sigma () is a professional fraternity founded by medical students at Northwestern University in 1890. Early History Phi Rho Sigma was founded at the Northwestern Medical School, then the Chicago Medical College on . Its founder were: * ...
– medicine * –
Pi Mu Honor Society Pi Mu, (), was an honor society for medical students, founded in 1892. It merged with Phi Chi, a similar society, in 1922. History Pi Mu was an honor society for medical students, founded on at the University of Virginia. Its Founders were: * ...
– medicine; merged with
Phi Chi (''Phthomen Chraismein'') en, First to Serve , colors= Olive green & white , symbol= Adult Tiger Beetle (''Cicindela patruela''), Doodlebug , flower= Lily of the Valley , publication= ''The Chronicles''; formerly ''The Quarterly'' , chapters= 1 ...
in 1922 * –
Psi Omega Psi Omega () is an international professional fraternity for Dentistry. It was founded on June 8, 1892, ''"to maintain the standards of the profession, to encourage scientific investigation and literary culture."'' Psi Omega is the third profess ...
– dentistry * – Rho Psi Eta - all-female, pre-health careers; founded at UCSB in 2007. * –
Sigma Mu Delta Sigma Mu Delta ({{lang, grc, ΣΜΔ) is a professional pre-medical fraternity founded at University of California, Davis in 1994. It is the first organization of its kind on the West coast. Currently, Sigma Mu Delta has chapters at the University ...
– all-male pre-medical * –
Theta Kappa Psi Theta Kappa Psi Medical Fraternity, Incorporated, () is a North American professional medical fraternity. As of 2023, it operates as an independent local fraternity with one active chapter. History Kappa Psi The Society of Kappa Psi was founded ...
– medicine * –
Xi Psi Phi Xi Psi Phi International Dental Fraternity () is an international professional fraternity for dentistry. It was founded on February 8, 1889. Xi Psi Phi was the second professional dental fraternity to be formed, following Delta Sigma Delta (1882 ...
– dentistry


Military, government, and foreign service

* – Psi Delta Tau Military fraternity, Inc.. Founded in 2017 * – Alpha Gamma Xi Military Association, Inc. * –
Delta Phi Epsilon Delta Phi Epsilon () may refer to: *Delta Phi Epsilon (professional), the professional foreign service fraternity and sorority *Delta Phi Epsilon (social) Delta Phi Epsilon ( or DPhiE) is an international Fraternities and sororities in North Ame ...
Foreign Service Diplomatic service is the body of diplomats and foreign policy officers maintained by the government of a country to communicate with the governments of other countries. Diplomatic personnel obtains diplomatic immunity when they are accredited to o ...
* –
Kappa Epsilon Psi Kappa Epsilon Psi Military Sorority, Inc. ( or KEY) is a national, non-collegiate service sorority, considered a professional (military) sorority. History Kappa Epsilon Psi was founded on April 4, 2011, in Pembroke Pines, Florida, as an alterna ...
Military Sorority Inc. * – Kappa Lambda Chi Military Fraternity Inc. * -
Omega Kappa Lambda Omega (; capital: Ω, lowercase: ω; Ancient Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the twenty-fourth and final letter in the Greek alphabet. In the Greek numeric system/isopsephy (gematria), it has a value of 800. The wor ...
Military Fraternity Inc. * – Lambda Beta Alpha military sorority * – Mu Beta Phi military fraternity * – Psi Rho Phi military fraternity * – Zeta Sigma Psi military sorority * – Psi Delta Chi military Sorority, Inc. * Pershing Angels – military drill sorority *
Pershing Rifles The National Society of Pershing Rifles is a military-oriented honor society for college-level students founded in 1894 as a drill unit at the University of Nebraska–Lincoln. It is the oldest continuously operating US college organization dedic ...
– military drill fraternity *
Scabbard and Blade Scabbard and Blade (S&B) is a college military honor society founded at the University of Wisconsin in 1904. Although membership is open to Reserve Officers' Training Corps (ROTC) cadets and midshipmen of all military services, the society is mod ...
– military


Music

* –
Kappa Kappa Psi Kappa Kappa Psi National Honorary Band Fraternity (, colloquially referred to as KKPsi), is a fraternity for college and university band members in the United States. It was founded on November 27, 1919, on Thanksgiving Day, at Oklahoma Agricult ...
band Band or BAND may refer to: Places *Bánd, a village in Hungary *Band, Iran, a village in Urmia County, West Azerbaijan Province, Iran * Band, Mureș, a commune in Romania *Band-e Majid Khan, a village in Bukan County, West Azerbaijan Province, I ...
; originally a men's fraternity, co-ed since 1977 * –
Mu Beta Psi Mu Beta Psi National Honorary Musical Fraternity () is a service and music fraternity with chapters and colonies at universities throughout the eastern United States. Although an ''honorary'' fraternity, Mu Beta Psi views itself as primarily a ...
– music; originally a men's fraternity, co-ed since 1961 * –
Mu Phi Epsilon Mu Phi Epsilon () is a co-ed international professional fraternity, professional music fraternity. It has over 75,000 members in 227 collegiate chapters and 113 Alumnus/a, alumni chapters in the US and abroad. History Mu Phi Epsilon was founde ...
– music; originally a women's sorority, co-ed since 1977 * –
Phi Mu Alpha Phi Mu Alpha Sinfonia Fraternity of America (colloquially known as Phi Mu Alpha Sinfonia, Phi Mu Alpha, or simply Sinfonia) () is an American collegiate social fraternity for men with a special interest in music. The fraternity is open to men "w ...
– music; originally a men's music social fraternity since 1898, was temporarily co-ed from 1976 to 1983, but has been all-male ever since; reverted to a social fraternity in 1985 to align with its original founding * ΦBr – Phi Boota roota – percussion; co-ed founded in 1976 * –
Pi Nu Epsilon Pi Nu Epsilon () is an honor society for university students in musical performing arts organizations. Purpose The purpose of Pi Nu Epsilon is threefold: * To honor those outstanding men and women who have devoted their time and efforts to t ...
– music; co-ed music fraternity founded 1927 * –
Sigma Alpha Iota Sigma Alpha Iota () is a women's 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 m ...
– music; women's music fraternity since 1903, accepts honorary male members * –
Tau Beta Sigma Tau Beta Sigma Honorary Band Sorority, (, colloquially referred to as TBSigma or TBS) is a co-educational service sorority. The sorority, headquartered at the historic Stillwater Santa Fe Depot in Stillwater, Oklahoma, numbers over 3,800 active ...
– band; originally a women's sorority, co-ed since 1977


Performing arts

* – Gamma Xi Phi – literature, visual, and performing arts * –
Delta Chi Xi Delta Chi Xi Honorary Dance Fraternity, Inc. (), more commonly referred to as Delta Chi Xi, is a Coeducational, co-ed honorary Professional fraternities and sororities, professional fraternity and member of the Professional Fraternity Association ...
dance Dance is a performing art form consisting of sequences of movement, either improvised or purposefully selected. This movement has aesthetic and often symbolic value. Dance can be categorized and described by its choreography, by its repertoir ...
; co-ed fraternity * –
Phi Beta Phi Beta Fraternity: National Professional Association for the Creative and Performing Arts () is an American national professional college fraternity for the creative and performing arts. It was founded in 1912 at Northwestern University in Evan ...
– creative and performing arts


Pharmaceutical and pharmacological

* –
Alpha Zeta Omega Alpha Zeta Omega ( or AZO) is an American co-ed, pharmaceutical professional fraternity founded on December 19, 1919. It was originally known as the Dead Men's Club. History Origins Alpha Zeta Omega was founded in Philadelphia, at the Ph ...
pharmacy; originally a men's fraternity, co-ed since the early 1970s * –
Beta Phi Sigma Beta Phi Sigma () was a Pharmacy Fraternity in the United States. Beta Phi Sigma stands for Buffalo Pharmacy School. Beta Phi Sigma was the first Greek-letter fraternity at the University at Buffalo and the first Greek-letter Pharmaceutical frat ...
– pharmacy; dissolved in 1973 * – Delta Sigma Theta - Pharmacy, Medical and Dentistry * – Kappa Epsilon – pharmacy; originally a women's fraternity, now co-ed * –
Kappa Psi Kappa Psi Pharmaceutical Fraternity, Incorporated, () is the largest professional pharmaceutical fraternity in the world with more than 6,000 student members and more than 87,000 alumni members. It was founded in 1879 at Russell Military Academ ...
– pharmacy; originally a men's fraternity, co-ed since 1977 * –
Lambda Kappa Sigma Lambda Kappa Sigma ( or LKS) is an international pharmacy fraternity headquartered in Muskego, Wisconsin. Founded in 1913, it was created to promote the profession of pharmacy among women and advance women within the profession. LKS is the oldest ...
– pharmacy; originally a women's fraternity, co-ed since 1988 * –
Phi Delta Chi Phi Delta Chi ( or Phi Dex) is a coed. professional fraternity, founded on 2 November 1883 at the University of Michigan in Ann Arbor, Michigan by eleven men, under the sponsorship of Dean Albert B. Prescott. The fraternity was formed to advance ...
– pharmacy; originally a men's fraternity, co-ed since 1976 * –
Rho Pi Phi Rho Pi Phi International Pharmaceutical Fraternity () is a co-ed professional fraternity that dedicates itself to the profession of pharmacy and to friendship, professionalism, and community service. Rho Pi Phi was founded on January 20, 1919 ...
– pharmacy; originally a men's fraternity, co-ed since the mid-1970s


Other

* –
Alpha Eta Rho Alpha Eta Rho () is a coed international professional college aviation fraternity that serves as a contact between the aviation industry and educational institutions. The fraternity strives to foster, promote, and mentor today's college students ...
aviation Aviation includes the activities surrounding mechanical flight and the aircraft industry. ''Aircraft'' includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air craft such as hot air ...
* – Beta Psi Omega –
biology Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary i ...
* –
Delta Kappa Alpha Delta Kappa Alpha () is a national, gender-inclusive, cinematic Professional fraternities and sororities, professional fraternity founded in 1936 at the USC School of Cinematic Arts, School of Cinematic Arts at the University of Southern Californi ...
cinema Cinema may refer to: Film * Cinematography, the art of motion-picture photography * Film or movie, a series of still images that create the illusion of a moving image ** Film industry, the technological and commercial institutions of filmmaking ...
* – Delta Kappa Gamma – women educators * – Delta Kappa Phi – textiles * –
Gamma Epsilon Tau Gamma Epsilon Tau ( or GET) is a co-ed American collegiate honors fraternity for graphic artists. As of 2013, the fraternity has eight active chapters. Its national chapter is located at the Rochester Institute of Technology in Rochester, New ...
– printing and digital media * –
Kappa Delta Pi Kappa Delta Pi International Honor Society in Education, () is an honor society for education. It was founded in 1911 and was one of the first discipline-specific honor societies. Its membership is limited to the top 20 percent of those entering ...
education Education is a purposeful activity directed at achieving certain aims, such as transmitting knowledge or fostering skills and character traits. These aims may include the development of understanding, rationality, kindness, and honesty ...
* –
Kappa Pi Kappa Pi () International Art Honor Society, founded in 1911 at the University of Kentucky in Lexington, Kentucky, is an International Collegiate Art Honorary Fraternity. It is open to any student who has talent for or supports visual art. Kappa ...
– international honorary art fraternity * – Lambda Alpha Epsilon - Criminal Justice * –
Omicron Delta Epsilon Omicron Delta Epsilon ( or ODE) is an international honor society in the field of economics, formed from the merger of Omicron Delta Gamma and Omicron Chi Epsilon, in 1963. Its board of trustees includes well-known economists such as Robert Luc ...
economics Economics () is the social science that studies the Production (economics), production, distribution (economics), distribution, and Consumption (economics), consumption of goods and services. Economics focuses on the behaviour and intera ...
* – Phi Alpha Tau – communicative arts * –
Phi Delta Kappa PDK International (also known as PDK or Phi Delta Kappa International) is a US professional organization for educators. Its main office is in Arlington, Virginia. It was founded on January 24, 1906. Membership Currently, membership consists o ...
– education sorority * –
Phi Epsilon Kappa Phi Epsilon Kappa () is a national professional fraternity for persons engaged in or pursuing careers in the fields of physical education, health, recreation, dance, human performance, exercise science, sports medicine and sports management. Histo ...
– physical ed, performance, sports mgmt * –
Phi Sigma Pi Phi Sigma Pi National Honor Fraternity () is a gender-inclusive/mixed-sex national honor fraternity based in the United States. The fraternity is a 501(c)(3) not-for-profit organization incorporated in the state of Pennsylvania with the purpose ...
– was educational-focused professional, now national honor fraternity * - Phi Psi - textile arts and manufacturing engineering * –
Pi Mu Epsilon Pi Mu Epsilon ( or ) is the U.S. honorary national mathematics society. The society was founded at Syracuse University on , by Professor Edward Drake Roe, Jr, and currently has chapters at 371 institutions across the US. Goals Pi Mu Epsilon is ...
– mathematics * – Pi Sigma Eta-
funeral service A funeral is a ceremony connected with the final disposition of a corpse, such as a burial or cremation, with the attendant observances. Funerary customs comprise the complex of beliefs and practices used by a culture to remember and respect th ...
national morticians fraternity * –
Zeta Phi Eta Zeta Phi Eta () is a national professional fraternity in Communication Arts and Sciences founded on October 10, 1893. It is recognized as the oldest professional fraternity for women, though membership is now co-ed. History Zeta Phi Eta was fou ...
communication Communication (from la, communicare, meaning "to share" or "to be in relation with") is usually defined as the transmission of information. The term may also refer to the message communicated through such transmissions or the field of inqui ...
arts and sciences * – Zeta Theta Omega –
zoology Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and ...


External links


Professional Fraternity Association webpage
{{Fraternities and Sororities , collapsed


References

Fraternities, Professional