Top 10 Largest Fraternities
(Excluding Cultural & Honors Sororities)

1 Tau Kappa Epsilon
2 Kappa Sigma
3 Sigma Alpha Epsilon
4 Sigma Chi
5 Sigma Phi Epsilon
6 Pi Kappa Alpha
7 Lambda Chi Alpha
8 Pi Kappa Phi
9 Sigma Nu
10 Phi Delta Theta

Acacia Fraternity Facts

  • Founded On: May 12th, 1904 – University of Michigan, Ann Arbor
  • Colors: Black and Old Gold
  • Flower: Acacia
  • Nicknames: Acacia
  • Chapters: 39
  • Website: http://www.acacia.org
  • Human Service

Alpha Chi Rho Fraternity Facts

  • Founded On: June 4th, 1895 – Trinity College
  • Colors: Garnet and White
  • Flower: N/A
  • Nicknames: The-Crows
  • Chapters: 37
  • Website: http://www.alphachirho.org/
  • Be Men

Alpha Epsilon Pi Fraternity Facts

  • Founded On: November 7th, 1913 – New York University
  • Colors: Gold and Blue
  • Flower: Fleur-de-lis
  • Nicknames: AEPi
  • Chapters: 162
  • Website: http://www.aepi.org
  • No one could tell me where my soul might be; I searched for God, but He eluded me; I sought my brother out and found all three. – Poet Howard Crosby

Alpha Gamma Rho Fraternity Facts

  • Founded On: 1904 at The Ohio State University
  • Colors: Green and Gold
  • Flower: Pink Rose
  • Nicknames: AGR-Agriculture
  • Chapters: 75
  • Website: http://www.alphagammarho.org
  • To Make Better Men

Alpha Kappa Lambda Fraternity Facts

  • Founded On: April 22nd, 1914 at The University of California, Berkeley
  • Colors: Purple and Gold
  • Flower: Yellow Rose
  • Nicknames: AKL-Alpha-Kappa-Lambda
  • Chapters: 38
  • Website: http://www.akl.org
  • The Truth and Word. Men of Character Committed to Making a Difference

Alpha Phi Omega Fraternity Facts

  • Founded On: December 16, 1925 – Lafayette College
  • Colors: Old Glory Gold and Royal Blue
  • Flower: Forget-Me-Not
  • Nicknames: apo
  • Chapters: 363
  • Website: http://www.akl.org
  • Be a Leader, Be a Friend, Be of Service

Alpha Sigma Phi Fraternity Facts

  • Founded On: December 6th, 1845 at Yale University
  • Colors: Cardinal and Stone
  • Flower: Cardinal Rose and Yellow Tea Rose
  • Nicknames: Alpha-Sig-Alpha-Sigma-Phi
  • Chapters: 68
  • Website: http://www.alphasigmaphi.org
  • The cause is hidden, the results well known

Alpha Tau Omega Fraternity Facts

  • Founded On: September 11th, 1865 at Virginia Military Institute – VMI
  • Colors: Azure and Old Gold
  • Flower: White Tea Rose
  • Nicknames: Alpha-Taus-Taus-ATOs
  • Chapters: 140
  • Website: http://www.ato.org
  • Leaders shape the future, and Ato shapes leaders

Beta Chi Theta Fraternity Facts

  • Founded On: June 2nd, 1999 – UCLA
  • Colors: Black, Silver, and White
  • Flower: N/A
  • Nicknames: Beta-Chi-Theta
  • Chapters: 6
  • Website: http://www.betachitheta.com
  • Above All Else, Brotherhood

Beta Theta Pi Fraternity Facts

  • Founded On: August 8th, 1839 – Miami University Oxford, OH
  • Colors: Light Pink and Blue
  • Flower: Roses of the June or Queen of the Prairie
  • Nicknames: Betas-Beta-Theta-Pi
  • Chapters: 142
  • Website: http://www.betathetapi.org
  • Co-operation makes strength, is but an embodiment of the experience of man in all ages and nations

Chi Phi Fraternity Facts

  • Founded On: December 24th, 1824 at Princeton University
  • Colors: Scarlet and Blue
  • Flower: N/A
  • Nicknames: Chi-Phi
  • Chapters: 56
  • Website: http://www.chiphi.org/
  • Truth, Honor and Personal Integrity

Chi Psi Fraternity Facts

  • Founded On: May 20th, 1841 – Union College
  • Colors: Royal Purple and Gold
  • Flower: N/A
  • Nicknames: Chi-Psi
  • Chapters: 31
  • Website: http://www.chipsi.org

Chi Psi Fraternity Facts

  • Founded On: October 13th, 1890 – Cornell University
  • Colors: Red and Buff
  • Flower: White Carnation
  • Nicknames: D-Chi-Delta-Chi
  • Chapters: 137
  • Website: http://www.deltachi.org
  • Leges, or Law

Delta Kappa Epsilon Fraternity Facts

  • Founded On: June 22nd, 1844 – Yale University
  • Colors: Gules, Azure, and Or
  • Flower: N/A
  • Nicknames: DKE-Deke
  • Chapters: 53
  • Website: http://www.dke.org
  • Friends from the Heart Forever

Delta Sigma Phi Fraternity Facts

  • Founded On: December 10th, 1899 – City College of New York
  • Colors: Nile Green and Carnation White
  • Flower: White Carnation
  • Nicknames: DSP-Delta-Sigs-D-Sigs-Delt-Sigs
  • Chapters: 118
  • Website: http://www.deltasig.org
  • Better Men, Better Lives

Delta Tau Delta Fraternity Facts

  • Founded On: 1858 – Bethany College
  • Colors: Royal Purple, White, and Gold
  • Flower: Purple Iris
  • Nicknames: DTD-Delts
  • Chapters: 130
  • Website: http://www.delts.org
  • Committed to Lives of Excellence

Delta Upsilon Fraternity Facts

  • Founded On: November 4th, 1834 – Williams College
  • Colors: Saphire Blue and Old Gold
  • Flower: N/A
  • Nicknames: DU-Delta-Upsilon
  • Chapters: 84
  • Website: http://www.deltau.org
  • Justice Our Foundation

Farmhouse Fraternity Facts

  • Founded On: April 15th, 1905 – University of Missouri
  • Colors: Green, Gold, and White
  • Flower: Red and White Roses
  • Nicknames: Farmhouse
  • Chapters: 34
  • Website: http://www.farmhouse.org
  • Builder of Men

Iota Phi Theta Fraternity Facts

  • Founded On: September 19th, 1963 at Morgan State University
  • Colors: Charcoal Brown and Gilded Gold
  • Flower: Yellow Rose
  • Nicknames: Iotas-Outlaws
  • Chapters: 268
  • Website: http://www.iotaphitheta.org/
  • Building a Tradition, Not Resting Upon One!

Kappa Alpha Order Fraternity Facts

  • Founded On: December 21st, 1865 – Washington College
  • Colors: Crimson and Old Gold
  • Flower: Crimson Rose and Magnolia Blossom
  • Nicknames: KA-Kappa-Alpha
  • Chapters: 131
  • Website: http://www.kappaalphaorder.org
  • For God and the Ladies

Kappa Delta Rho Fraternity Facts

  • Founded On: May 17th, 1905 – Middleburgy College
  • Colors: Middlebury Blue and Princeton Orange
  • Flower: Red Rose
  • Nicknames: KDR-Kappa-Delta-Rho
  • Chapters: 38
  • Website: http://www.kdr.com
  • Honor Above All Things

Kappa Kappa Psi Fraternity Facts

  • Founded On: November 27, 1919 – Oklahoma State University
  • Colors: Blue and White
  • Flower: Red carnation
  • Nicknames: kk-psi
  • Chapters: 210
  • Website: http://www.kkpsi.org/
  • Strive for the Highest

Kappa Sigma Fraternity Facts

  • Founded On: December 10th, 1869 – University of Virginia
  • Colors: Scarlet, Emerald Green, and White
  • Flower: Lily of the Valley
  • Nicknames: KS-Kappa-Sig
  • Chapters: 281
  • Website: http://www.kappasigma.org
  • Bologna Teaches

Lambda Alpha Upsilon Fraternity Facts

  • Founded On: December 10, 1985 – SUNY Buffalo
  • Colors: Red, Yellow, White and Black
  • Flower: N/A
  • Nicknames: lambdas
  • Chapters: 20
  • Website: http://www.lambdas.com/
  • �Venceremos porque Nacimos para Triunfar!

Lambda Chi Alpha Fraternity Facts

  • Founded On: November 2nd, 1909 at Boston University
  • Colors: Purple, Green, and Gold
  • Flower: White Rose
  • Nicknames: Lambda-Chi-Lambda-Chi-Alpha
  • Chapters: 197
  • Website: http://www.lambdachi.org
  • Every Man a Man

Lambda Phi Epsilon Fraternity Facts

  • Founded On: February 25th, 1981 at UCLA
  • Colors: Royal Blue and White
  • Flower: N/A
  • Nicknames: Lambdas-LFE
  • Chapters: 47
  • Website: http://www.lambdaphiepsilon.org
  • To be Leaders Among Men

Lambda Sigma Upsilon Fraternity Facts

  • Founded On: April 5th, 1979 – Rutgers University
  • Colors: Baby blue and White
  • Flower: N/A
  • Nicknames: LSU-Upsilons
  • Chapters: 43
  • Website: http://www.lsu79.org
  • Latinos Always United

Lambda Theta Phi Fraternity Facts

  • Founded On: December 1st, 1975 at Kean College
  • Colors: Brown and White
  • Flower: White Carnation
  • Nicknames: Lambdas
  • Chapters: 76
  • Website: http://www.lambda1975.org
  • Chivalry Above Self

North-American Interfraternity Conference Facts

Founded in 1909, the North-American Interfraternity Conference, Inc. is the trade association representing 69 International and National Men’s Fraternities. The NIC serves to advocate the needs of its member fraternities through enrichment of the fraternity experience; advancement and growth of the fraternity community; and enhancement of the educational mission of the host institutions.

865 W Carmel Drive, Suite 116 | Carmel, Indiana 46032 | (317) 872-1112 | www.nicindy.org

Phi Beta Sigma Fraternity Facts

  • Founded On: January 9th, 1914 – Howard University
  • Colors: Royal Blue and Pure White
  • Flower: White Carnation
  • Nicknames: Sigmas-Phi-Beta-Sigma
  • Chapters: 700
  • Website: http://www.pbs1914.org
  • Culture for service and Service for humanity

Phi Delta Theta Fraternity Facts

  • Founded On: December 26th, 1848 – Miami University, Oxford, OH
  • Colors: Azure and Argent
  • Flower: White Carnation
  • Nicknames: Phi-Deltas-Phi-Delts
  • Chapters: 169
  • Website: http://www.phideltatheta.org
  • One Man is No Man

Phi Gamma Delta Fraternity Facts

  • Founded On: May 1st, 1848 at Jefferson College
  • Colors: Royal Purple
  • Flower: Purple Clematis
  • Nicknames: FIJI
  • Chapters: 121
  • Website: http://www.phigam.org
  • Friendship, the sweetest influence

Phi Kappa Psi Fraternity Facts

  • Founded On: February 19th, 1852 – Jefferson College
  • Colors: Cardinal Red and Hunter Green
  • Flower: Jacqueminot Rose
  • Nicknames: Phi-Psi
  • Chapters: 106
  • Website: http://www.phikappapsi.com
  • The Great Joy of Serving Others

Phi Kappa Sigma Fraternity Facts

  • Founded On: August 16th, 1850 – University of Pennsylvania
  • Colors: Black and Old Gold
  • Flower: Yellow Chrysanthemum
  • Nicknames: Phi-Kaps-Skulls
  • Chapters: 50
  • Website: http://www.pks.org
  • Equal to the stars in endurance

Phi Kappa Tau Fraternity Facts

  • Founded On: March 17th, 1906 – Miami University, Oxford, OH
  • Colors: Harvard Red and Old Gold
  • Flower: Red Carnation
  • Nicknames: PKT-Phi-Tau
  • Chapters: 89
  • Website: http://www.phikappatau.org
  • Where character counts

Phi Kappa Theta Fraternity Facts

  • Founded On: Merger: 1959 – The Ohio State University
  • Colors: White, Gold, & Cardinal Purple
  • Flower: Red Tea Rose
  • Nicknames: Phi-Kappa-Theta-Phi-Kaps
  • Chapters: 30
  • Website: http://www.phikaps.org
  • Give, expecting nothing therof

Phi Mu Delta Fraternity Facts

  • Founded On: March 1st, 1918 – University of Connecticut
  • Colors: Orange, White, & Black
  • Flower: N/A
  • Nicknames: PMD-Phi-Mu-Delta
  • Chapters: 11
  • Website: http://www.phimudelta.org

Phi Sigma Kappa Fraternity Facts

  • Founded On: March 15th, 1873 – Massachusetts Agricultural College
  • Colors: Silver and Red
  • Flower: Red Carnation and White Tea Rose
  • Nicknames: PSK-Phi-Sigma-Kappa
  • Chapters: 75
  • Website: http://www.phisigmakappa.org
  • Do unto others as you would have them do unto you

Pi Alpha Phi Fraternity Facts

  • Founded On: April 12, 1905 – UC Berkely
  • Colors: Berkeley Blue and California Gold
  • Flower: N/A
  • Nicknames: paphi-pineapples
  • Chapters: 15
  • Website: http://www.pialphaphi.com/
  • A Tradition of Excellence Since 1929

Pi Delta Psi Fraternity Facts

  • Founded On: February 20, 1994 – SUNY Binghamton
  • Colors: Red, White, Black
  • Flower: N/A
  • Nicknames: pdpsi-pis-pdp
  • Chapters: 28
  • Website: http://www.pideltapsi.com/
  • Excellence Through Brotherhood.

Pi Kappa Alpha Fraternity Facts

  • Founded On: March 1st, 1868 – University of Virginia
  • Colors: Garnet and Old Gold
  • Flower: Lily of the Valley
  • Nicknames: Pikes-Pikas
  • Chapters: 220
  • Website: http://www.pikes.org
  • Once a Pike, Always a Pike

Pi Kappa Phi Fraternity Facts

  • Founded On: December 10th, 1904 – College of Charleston
  • Colors: 1st: White and Gold, 2nd: Royal Blue
  • Flower: Red Rose
  • Nicknames: Pi-Kapp-Pi-Kappa-Phi
  • Chapters: 184
  • Website: http://www.pikapp.org
  • Nothing shall ever tear us asunder

Psi Sigma Phi Fraternity Facts

  • Founded On: December 12, 1990 – Montclair State University and New Jersey Cit
  • Colors: Black, Silver, White
  • Flower: N/A
  • Nicknames: phi-men
  • Chapters: 16
  • Website: http://www.psisigmaphi.org/
  • Multicultural by birth, not by choice

Psi Upsilon Fraternity Facts

  • Founded On: 1833 – Union College
  • Colors: Garnet and Gold
  • Flower: N/A
  • Nicknames: Psi-U-Psi-Upsilon
  • Chapters: 28
  • Website: http://www.psiu.org
  • Unto us has befallen a mighty friendship

Sigma Alpha Epsilon Fraternity Facts

  • Founded On: March 9th, 1856 – University of Alabama
  • Colors: Royal Purple and Old Gold
  • Flower: Violet
  • Nicknames: SAE-Sigma-Alpha-Epsilon
  • Chapters: 246
  • Website: http://www.sae.net
  • Phi Alpha

Sigma Alpha Mu Fraternity Facts

  • Founded On: November 26th, 1909 at City College of New York
  • Colors: Purple and White
  • Flower: Purple Aster
  • Nicknames: Sammy-SAM
  • Chapters: 69
  • Website: http://www.sam.org

Sigma Beta Rho Fraternity Facts

  • Founded On: August 16th, 1996 – University of Pennsylvania
  • Colors: Green, Red, and Black
  • Flower: N/A
  • Nicknames: Sig-Rho
  • Chapters: 40
  • Website: http://www.sigmabetarho.com
  • Brotherhood beyond all barriers

Sigma Chi Fraternity Facts

  • Founded On: June 28th, 1855 – Miami University, Oxford, OH
  • Colors: Blue and Old Gold
  • Flower: White Rose
  • Nicknames: Sig-Chi-Sigma-Chis
  • Chapters: 244
  • Website: http://www.sigmachi.org
  • In Hoc Signo Vinces, or In this Sign you will conquer

Sigma Lambda Beta Fraternity Facts

  • Founded On: April 4th, 1986 – The University of Iowa
  • Colors: Royal Purple and Pure White
  • Flower: Red Carnation
  • Nicknames: Lambda-Betas
  • Chapters: 83
  • Website: http://www.sigmalambdabeta.org
  • Opportunity for wisdom, wisdom for culture

Sigma Nu Fraternity Facts

  • Founded On: January 1st, 1869 – Virginia Military Institute
  • Colors: Gold, White, and Black
  • Flower: White Rose
  • Nicknames: SNU-Sigma-Nu
  • Chapters: 172
  • Website: http://www.sigmanu.org
  • Love, Honor, Truth, Excelling with Honor

Sigma Phi Epsilon Fraternity Facts

  • Founded On: November 1st, 1901 – Richmond College
  • Colors: Purple and Red
  • Flower: Violet and Dark Red Rose
  • Nicknames: SigEp
  • Chapters: 240
  • Website: http://www.sigep.org
  • Building Balanced Leaders for the World’s Communities

Sigma Pi Fraternity Facts

  • Founded On: February 26th, 1897 at Vincennes University
  • Colors: 1st: Lavender and White, 2nd: Gold
  • Flower: Lavender Orchid
  • Nicknames: SP-Sigma-Pi
  • Chapters: 135
  • Website: http://www.sigmapi.org
  • Progress, man’s distinctive mark alone, Not God’s, and not the beasts; God is, they are. Man partly is and wholly hopes to be.

Sigma Tau Gamma Fraternity Facts

  • Founded On: June 28th, 1920 – Central Missouri State University
  • Colors: Azure Blue and White
  • Flower: White Rose
  • Nicknames: Sig-Tau-Sigma-Tau-Gamma
  • Chapters: 75
  • Website: http://www.sigmataugamma.org
  • Men of Principle, Value, Learning, Leadership, Excellence, Benefit, Integrity

Tau Kappa Epsilon Fraternity Facts

  • Founded On: January 10th, 1899 – Illinois Wesleyan University
  • Colors: Cherry and Gray
  • Flower: Red Carnation
  • Nicknames: Teke-TKE
  • Chapters: 292
  • Website: http://www.tke.org
  • Love, Charity, and esteem; not for wealth, rank, or honor, but for personal worth and character

Theta Chi Fraternity Facts

  • Founded On: April 10th, 1856 – Norwich University
  • Colors: Military Red and White
  • Flower: The Red Carnation
  • Nicknames: Theta-Chis
  • Chapters: 141
  • Website: http://www.thetachi.org
  • An Assisting Hand, Maxim. Alma Mater First and Theta Chi for Alma Mater

Theta Xi Fraternity Facts

  • Founded On: April 29th, 1864 – Rensselaer Polytechnic Institute
  • Colors: Azure Blue and Matte Silver
  • Flower: Blue Iris
  • Nicknames: TX-Theta-Xi
  • Chapters: 47
  • Website: http://www.thetaxi.org
  • United they serve

Triangle Fraternity Facts

  • Founded On: April 15th, 1907 – University of Illinois at Urbana-Champaign
  • Colors: Old rose and gray
  • Flower: White Chrysanthemum
  • Nicknames: Triangle-Fraternity
  • Chapters: 32
  • Website: http://www.triangle.org
  • Veritas Omnia Vincit

Zeta Beta Tau Fraternity Facts

  • Founded On: December 29th, 1898 – City College of New York
  • Colors: Blue and White, Secondary Gold Trim
  • Flower: Gold Carnation
  • Nicknames: ZBT
  • Chapters: 90
  • Website: http://www.zbt.org
  • A Powerhouse of Excellence

Zeta Psi Fraternity Facts

  • Founded On: June 1st, 1847 – New York University – NYU
  • Colors: White
  • Flower: White Carnation
  • Nicknames: Zetas-Zeta-Psi
  • Chapters: 43
  • Website: http://www.zetapsi.org
  • Tau Kappa Phi