| Organization |
Symbol |
Founded |
Affiliation |
Traditional Emphasis |
| Acacia (Chapters) |
AKAKIA |
1904 |
NIC |
Masonic (Masonic membership no longer required) |
| Adelphikos |
Αδελφικοσ |
1913 |
Local, Grove City College |
Christian |
| Alpha Chi Alpha |
ΑΧΑ |
1919 |
Local, Dartmouth College |
Traditional |
| Alpha Chi Rho (Chapters) |
ΑΧΡ |
1895 |
NIC |
Traditional |
| Alpha Delta Gamma (Chapters) |
ΑΔΓ |
1924 |
NIC |
Jesuit |
| Alpha Delta Phi (Chapters) |
ΑΔΦ |
1832 |
NIC |
Originally a secret literary society, now traditional |
| Alpha Epsilon Pi (Chapters) |
ΑΕΠ |
1913 |
NIC |
Jewish |
| Alpha Gamma Omega |
ΑΓΩ |
1927 |
Unaffiliated |
Christian |
| Alpha Gamma Rho (Chapters) |
ΑΓΡ |
1904 |
NIC |
Agricultural |
| Alpha Kappa Lambda (Chapters) |
ΑΚΛ |
1914 |
NIC |
Traditional |
| Alpha Phi Alpha |
ΑΦΑ |
1906 |
NIC, NPHC |
African-American |
| Alpha Phi Delta |
ΑΦΔ |
1914 |
NIC |
Italian-American |
| Alpha Sigma Phi (Chapters) |
ΑΣΦ |
1845 |
NIC |
Originally secret sophomore society, now traditional |
| Alpha Tau Omega (Chapters) |
ΑΤΩ |
1865 |
NIC |
Founded on Christian principles, now traditional |
| Beta Chi Theta (Chapters) |
ΒΧΘ |
1999 |
NIC, NAPA |
South Asian |
| Beta Epsilon Gamma Gamma Alpha Rho Sigma |
ΒΕΓΓΑΡΣ |
1923 |
Local, Loyola University New Orleans |
Jesuit |
| Beta Sigma Psi (Chapters) |
ΒΣΨ |
1925 |
NIC |
Lutheran |
| Beta Theta Pi (Chapters) |
ΒΘΠ |
1839 |
NIC |
Traditional |
| Beta Upsilon Chi |
ΒΥΧ |
1985 |
Unaffiliated |
Christian |
| Bones Gate |
BG |
1901 |
Local, Dartmouth College |
Traditional |
| Chi Gamma Epsilon |
ΧΓΕ |
1905 (1987) |
Local, Dartmouth College |
Traditional |
| Chi Heorot |
ΧH |
1897 |
Local, Dartmouth College |
Traditional |
| Chi Sigma Tau |
ΧΣΤ |
1999 |
NAPA |
Asian |
| Chi Phi (Chapters) |
ΧΦ |
1824 |
NIC |
Traditional |
| Chi Psi (Chapters) |
ΧΨ |
1841 |
NIC |
Traditional |
| Delphic of Gamma Sigma Tau |
ΓΣΤ |
1871 |
NMGC |
Multicultural |
| Delta Chi (Chapters) |
ΔΧ |
1890 |
NIC |
Originally a law fraternity, now traditional |
| Delta Psi |
ΔΨ |
1850 |
Local, University of Vermont (currently inactive) |
Originally secret literary society, traditional |
| Delta Epsilon Psi |
ΔΕΨ |
1998 |
NIC |
South Asian |
| Delta Iota Kappa |
ΔΙΚ |
1916 |
Local, Grove City College |
Traditional |
| Delta Kappa Epsilon (Chapters) |
ΔΚΕ |
1844 |
NIC |
Originally secret society, traditional |
| Delta Lambda Phi |
ΔΛΦ |
1986 |
NIC |
Gay, bisexual, progressive |
| Delta Rho Upsilon |
ΔΡΥ |
1929 |
Unaffiliated local |
Local/Traditional |
| Delta Omega Epsilon |
ΔΩΕ |
1985 |
Unaffiliated national |
Traditional |
| Delta Phi (Chapters) |
ΔΦ |
1827 |
NIC |
Originally secret society, traditional |
| Delta Phi Omega (Chapters) |
ΔΦΩ |
1998 |
Unafilliated national |
South Asian |
| Delta Sigma Phi (Chapters) |
ΔΣΦ |
1899 |
NIC |
Traditional/Social |
| Delta Tau Delta (Chapters) |
ΔΤΔ |
1858 |
NIC |
Originally literary society, traditional |
| Delta Theta Sigma |
ΔΘΣ |
1906 |
Unaffiliated national |
Agricultural |
| Delta Upsilon (Chapters) |
ΔΥ |
1834 |
NIC |
Traditional |
| FarmHouse (Chapters) |
FH |
1905 |
NIC |
Agricultural |
| Gamma Zeta Alpha (Chapters) |
ΓΖΑ |
1987 |
NALFO |
Latino |
| Iota Nu Delta |
ΙΝΔ |
1994 |
NIC |
South Asian |
| Iota Phi Theta |
ΙΦΘ |
1963 |
NIC, NPHC |
African-American |
| Kappa Alpha Order (Chapters) |
ΚΑ |
1865 |
NIC |
Traditional/Social |
| Kappa Alpha Society (Chapters) |
ΚΑ |
1825 |
NIC |
Originally literary society, traditional/social |
| Kappa Alpha Psi (Chapters) |
ΚΑΨ |
1911 |
NIC, NPHC |
African-American |
| Kappa Delta Phi (Chapters) |
ΚΔΦ |
1900 |
NIC |
Traditional |
| Kappa Delta Rho (Chapters) |
ΚΔΡ |
1905 |
NIC |
Traditional |
| Kappa Kappa Kappa |
ΚΚΚ |
1842 |
Local, Dartmouth College |
Traditional |
| Kappa Sigma (Chapters) |
ΚΣ |
1869 |
Unaffiliated national |
Traditional |
| Lambda Alpha Upsilon (Chapters) |
ΛΑΥ |
1985 |
NALFO |
Latino |
| Lambda Chi Alpha (Chapters) |
ΛΧΑ |
1909 |
NIC |
Traditional |
| Lambda Iota Society |
ΛΙ |
1836 |
Local, University of Vermont |
Originally secret literary society, traditional |
| Lambda Phi Epsilon (Chapters) |
ΛΦΕ |
1981 |
NIC, NAPA |
Asian |
| Lambda Sigma Upsilon (Chapters) |
ΛΣΥ |
1979 |
NALFO, NIC |
Latino |
| Lambda Theta Phi (Chapters) |
ΛΘΦ |
1975 |
NALFO, NIC |
Latino |
| Lambda Upsilon Lambda (Chapters) |
ΛΥΛ |
1982 |
NALFO |
Latino |
| Nu Alpha Kappa (Chapters) |
ΝΑΚ |
1988 |
NIC |
Latino |
| Nu Sigma Beta |
ΝΣΒ |
1937 |
CIPFI |
Puerto Rican |
| Omega Delta Phi (Chapters) |
ΩΔΦ |
1987 |
NIC |
Originally Latino, now Multicultural |
| Omega Phi Gamma |
ΩΦΓ |
1995 |
MGC |
Asian, Multicultural |
| Omega Psi Phi (Chapters) |
ΩΨΦ |
1911 |
NPHC |
African-American |
| Phi Beta Sigma (Chapters) |
ΦΒΣ |
1914 |
NIC, NPHC |
African-American |
| Phi Delta Alpha |
ΦΔΑ |
1884 |
Local, Dartmouth College |
Traditional |
| Phi Delta Gamma |
ΦΔΓ |
1942 |
CIPFI |
Puerto Rican |
| Phi Delta Psi |
ΦΔΨ |
1977 |
Unaffiliated national |
African-American |
| Phi Delta Theta (Chapters) |
ΦΔΘ |
1848 |
Unaffiliated international |
Originally nonsectarian, traditional |
| Phi Epsilon Chi |
ΦEX |
1943 |
CIPFI |
Puerto Rican |
| Phi Eta Kappa |
ΦΗΚ |
1906 |
Local, University of Maine |
Traditional |
| Phi Eta Mu |
ΦΗΜ |
1923 |
CIPFI |
Puerto Rican |
| Phi Gamma Delta (Chapters) |
ΦΓΔ |
1848 |
NIC |
Traditional |
| Phi Iota Alpha (Chapters) |
ΦΙΑ |
1931 |
NIC |
Latino |
| Phi Kappa Pi |
ΦΚΠ |
1913 |
Unaffiliated, Canadian national |
Traditional |
| Phi Kappa Psi (Chapters) |
ΦΚΨ |
1852 |
NIC |
Originally service, traditional |
| Phi Kappa Sigma (Chapters) |
ΦΚΣ |
1850 |
NIC |
Originally secret order, traditional |
| Phi Kappa Tau (Chapters) |
ΦΚΤ |
1906 |
NIC |
Traditional |
| Phi Kappa Theta (Chapters) |
ΦΚΘ |
1889 |
NIC |
Catholic |
| Phi Lambda Chi (Chapters) |
ΦΛΧ |
1925 |
NIC |
Traditional |
| Phi Mu Alpha Sinfonia |
ΦΜΑ |
1898 |
NIMC |
Music |
| Phi Mu Delta (Chapters) |
ΦΜΔ |
1918 |
NIC |
Originally Commons Club, traditional |
| Phi Rho Eta |
ΦΡΗ |
1994 |
Unaffiliated national |
African-American |
| Phi Sigma Alpha (Chapters) |
ΦΣΑ |
1928 |
CIPFI |
Puerto Rican/Hispanic |
| Phi Sigma Gamma |
ΦΣΓ |
1915-1916 |
Unaffiliated national |
Osteopathic medicine |
| Phi Sigma Kappa (Chapters) |
ΦΣΚ |
1873 |
NIC |
Traditional |
| Phi Sigma Nu |
ΦΣΝ |
1996 |
Unaffiliated national |
Native American |
| Phi Sigma Phi |
ΦΣΦ |
1988 |
NIC |
Traditional |
| Pi Alpha Phi (Chapters) |
ΠΑΦ |
1929 |
NAPA |
Asian |
| Pi Delta Psi (Chapters) |
ΠΔΨ |
1994 |
NAPA |
Asian |
| Pi Kappa Alpha |
ΠΚΑ |
1868 |
NIC |
Traditional |
| Pi Kappa Phi (Chapters) |
ΠΚΦ |
1904 |
NIC |
Traditional |
| Pi Lambda Phi (Chapters) |
ΠΛΦ |
1895 |
NIC |
Traditional |
| Psi Sigma Phi (Chapters) |
ΨΣΦ |
1990 |
NMGC |
Multicultural |
| Psi Upsilon (Chapters) |
ΨΥ |
1833 |
NIC |
Traditional |
| Seal and Serpent |
|
1905 |
Local, Cornell University |
Traditional |
| Sigma Alpha Epsilon (Chapters) |
ΣΑΕ |
1856 |
NIC |
Traditional |
| Sigma Alpha Mu (Chapters) |
ΣΑΜ |
1909 |
NIC |
Originally Jewish, now traditional |
| Sigma Beta Rho |
ΣΒΡ |
1996 |
NIC, NAPA |
South Asian/Multicultural |
| Sigma Chi (Chapters) |
ΣΧ |
1855 |
NIC |
Originally literary society, traditional |
| Sigma Delta Alpha |
ΣΔΑ |
1992 |
Unaffiliated national |
Latino |
| Sigma Lambda Beta (Chapters) |
ΣΛΒ |
1986 |
NIC |
Latino |
| Sigma Nu (Chapters) |
ΣΝ |
1869 |
NIC |
Originally anti-hazing, traditional |
| Sigma Phi Delta (Chapters) |
ΣΦΔ |
1924 |
NIC |
Engineering |
| Sigma Phi Epsilon (Chapters) |
ΣΦΕ |
1901 |
NIC |
Traditional |
| Sigma Phi Society |
ΣΦ |
1827 |
NIC |
Originally secret society, traditional |
| Sigma Pi (Chapters) |
ΣΠ |
1897 |
NIC |
Originally literary society, traditional |
| Sigma Psi Sigma |
ΣΨΣ |
1996 |
Unaffiliated |
Traditional/Social |
| Sigma Tau Gamma (Chapters) |
ΣΤΓ |
1920 |
NIC |
Originally literary society, traditional |
| Sigma Thêta Pi |
ΣΘΠ |
2003 |
Unaffiliated national |
Francophone Greek |
| Tau Delta Phi |
ΤΔΦ |
1910 |
NIC |
Jewish Social |
| Tau Epsilon Phi (Chapters) |
ΤΕΦ |
1910 |
NIC |
Jewish Social |
| Tau Kappa Epsilon (Chapters) |
ΤΚΕ |
1899 |
Unaffiliated International |
Traditional |
| Tau Psi Omega |
TΨΩ |
1996 |
MGC |
Multicultural, Community service based |
| Theta Chi (Chapters) |
ΘΧ |
1856 |
NIC |
Traditional/Social |
| Theta Delta Chi (Chapters) |
ΘΔΧ |
1847 |
NIC |
Originally secret society, traditional/social |
| Theta Xi (Chapters) |
ΘΞ |
1864 |
NIC |
Originally engineering, social |
| Triangle Fraternity (Chapters) |
 |
1907 |
NIC |
Engineering, architecture, and science |
| Trojan Knights |
|
1921 |
Local, University of Southern California |
Traditional |
| Zeta Beta Tau (Chapters) |
ΖΒΤ |
1898 |
NIC |
Originally Jewish, traditional (no religious affiliation) |
| Zeta Phi Rho |
ΖΦΡ |
1995 |
Unaffiliated national |
Multicultural |
| Zeta Psi (Chapters) |
ΖΨ |
1847 |
NIC |
Traditional/Social |