Chapters

Alpha Chapter (Syracuse)
November 11, 1874

Delta Chapter (Boston)
April 22, 1887

Eta Chapter (California-Berkeley)
April 29, 1894

Kappa Chapter (Minnesota-Twin Cities)
May 23, 1902

Nu Chapter (Oregon)
December 18, 1908

Pi Chapter (Nebraska-Lincoln) 
June 22, 1914

Tau Chapter (Colorado State)
October 16, 1915

Chi Chapter (Oregon State)
April 26, 1918

Alpha Alpha Chapter (Toronto) 
October 30, 1919

Alpha Delta Chapter (Missouri-Columbia)
May 20, 1921

Alpha Eta Chapter (Ohio Wesleyan) 
November 10, 1923

Alpha Kappa Chapter (Manitoba)
June 5, 1925

Alpha Nu Chapter (Wittenberg)
June 8, 1929

Alpha Pi Chapter (West Virginia) 
April 18, 1930

Alpha Tau Chapter (McGill) 
September 26, 1931

Alpha Chi Chapter (William & Mary)
January 14, 1933

Beta Alpha Chapter (Southern California)
September 24, 1938

Beta Delta Chapter (Michigan State)
June 3, 1944

Beta Eta Chapter (Bradley)
April 3, 1948

Beta Kappa Chapter (Arizona State) 
December 3, 1949 

Beta Nu Chapter (Vermont)
September 15, 1950

Beta Pi Chapter (Indiana State)
September 14, 1952

Beta Tau Chapter (Texas Tech) 
March 20, 1956

Beta Chi Chapter (Wichita State) 
February 1, 1958

Gamma Alpha Chapter (Memphis)
March 15, 1958

Gamma Delta Chapter (Wyoming) 
April 15, 1961

Gamma Eta Chapter (California State-Long Beach)
March 10, 1962

Gamma Kappa Chapter (Nebraska-Kearney)
May 11, 1963

Gamma Nu Chapter (Lamar)
February 20, 1965

Gamma Pi Chapter (Minnesota State-Mankato) 
February 5, 1966

Gamma Tau Chapter (St. Louis)
November 11, 1967

Gamma Chi Chapter (Texas State-San Marcos)
February 3, 1968

Delta Alpha Chapter (Wisconsin-River Falls) 
May 3, 1969

Delta Delta Chapter (California State-Fullerton)
April 3, 1971

Delta Eta Chapter (California-Irvine)
January 19, 1974

Delta Kappa Chapter (Lehigh)
January 31, 1976

Delta Nu Chapter (Missouri State)
November 12, 1977

Delta Pi Chapter (Illinois State) 
April 19, 1980

Delta Tau Chapter (Colgate) 
November 14, 1981

Delta Chi Chapter (California State-Sacramento) 
May 14, 1983

Epsilon Alpha Chapter (La Salle)
December 10, 1983

Epsilon Delta Chapter (Creighton)
February 22, 1986

Epsilon Eta Chapter (Bridgewater State)
November 22, 1987

Epsilon Kappa Chapter (California State-Chico)
November 12, 1988

Epsilon Nu Chapter (Chpaman) 
April 29, 1989

Epsilon Pi Chapter (George Mason)
April 28, 1990

Epsilon Tau Chapter (Rochester) 
February 2, 1991

Epsilon Chi Chapter (Marquette) 
April 11, 1992

Zeta Alpha Chapter (Eastern Washington) 
November 13, 1993

Zeta Delta Chapter (Southeast Missouri State) 
November 5, 1994

Zeta Eta Chapter (Lander)
April 13, 1996

Zeta Kappa Chapter (Southern Indiana) 
November 14, 1998

Zeta Nu Chapter (Detroit-Mercy) 
February 13, 2000

Zeta Pi Chapter (Penn State-Altoona) 
March 29, 2003

Zeta Tau Chapter (Emory) 
April 8, 2006

Zeta Chi Chapter (Texas Christian) 
February 2, 2008

Eta Alpha Chapter (Lake Erie)
November 21, 2009

Eta Delta Chapter (Grand Valley State)
December 4, 2010

Eta Eta Chapter (South Florida) 
November 17, 2010

Eta Kappa Chapter (Tennesse-Chattanooga) 
November 2, 2013

Eta Nu Chapter (James Madison)
December 7, 2014

Eta Pi Chapter (Quinnipiac)
December 5, 2015

Eta Tau Chapter (Colorado Mesa) 
November 19, 2016

Beta Chapter (Michigan)
June 7, 1882

Epsilon Chapter (Northwestern)
October 13, 1888

Theta Chapter (Denver) 
December 28, 1897

Lambda Chapter (University of Washington)
May 17, 1903

Xi Chapter (Idaho) 
February 3, 1910

Rho Chapter (Iowa) 
June 15, 1915

Upsilon Chapter (Hollins)
June 1, 1916 

Psi Chapter (Oklahoma) 
September 13, 1918

Alpha Beta Chapter (North Dakota)
June 16, 1920

Alpha Epsilon Chapter (Arizona)
April 29, 1922

Alpha Thea Chapter (Vanderbilt) 
June 25, 1924

Alpha Lambda Chapter (British Columbia)
April 28, 1928

Alpha Xi Chapter (Southern Methodist)
September 21, 1929

Alpha Rho Chapter (Birmingham-Southern)
September 6, 1930

Alpha Upsilon Chapter (Penn State)
May 21, 1932

Alpha Psi Chapter (Lake Forest)
May 19, 1934

Beta Beta Chapter (Maryland)
October 23, 1940

Beta Epsilon Chapter (Miami-Ohio)
April 12, 1947

Beta Thea Chapter 
April 24, 1948

Beta Lambda Chapter (San Diego State) 
October 15, 1949

Beta Xi Chapter (Ohio State)
April 28, 1951

Beta Rho Chapter (Colorado-Boulder)
March 14, 1954

Beta Upsilon Chapter (Kansas State) 
March 23, 1957

Beta Psi Chapter (Oklahoma State) 
February 8, 1958

Gamma Beta Chapter (Gettysburg) 
February 21, 1959

Gamma Epsilon Chapter (Puget Sound)
April 29, 1961

Gamma Theta Chapter (University of the Pacific)
February 9, 1963

Gamma Lambda Chapter (Louisiana State) 
March 14, 1964

Gamma Xi Chapter (Tennessee-Knoxville) 
May 16, 1965

Gamma Rho Chapter (Wisconsin-Oshkosh) 
May 14, 1966

Gamma Upsilon Chapter (Drake) 
February 17, 1968

Gamma Psi Chapter (Northern Iowa) 
November 23, 1968

Delta Beta Chapter (Boise State) 
February 21, 1970

Delta Epsilon Chapter (Texas Wesleyan)
April 28, 1973

Delta Theta Chapter (California Polytechnic State) 
January 18, 1975

Delta Lambda Chapter (California-Riverside)
January 24, 1976

Delta Xi Chapter (Bucknell)
December 2, 1978

Delta Rho Chapter (Dickinson)
May 1, 1980

Delta Upsilon Chapter (Georgia)
February 5, 1983

Delta Psi Chapter (California-Santa Barbara) 
November 19, 1983

Epsilon Beta Chapter (Alma)
September 22, 1984

Epsilon Epsilon Chapter (Union)
May 3, 1986

Epsilon Theta Chapter (Clemson) 
April 9, 1988

Epsilon Lambda Chapter (Alabama-Tuscaloosa) 
February 4, 1989

Epsilon Xi Chapter (Rhodes) 
October 28, 1989

Epsilon Rho Chapter (Stephen F. Austin State) 
May 5, 1990

Epsilon Upsilon Chapter (South Dakota)
April 27, 1991

Epsilon Psi Chapter (Asheville) 
November 21, 1992

Zeta Beta Chapter (Virginia) 
April 9, 1994

Zeta Epsilon Chapter (Duquesne) 
November 11, 1995

Zeta Theta Chapter (Coastal Carolina) 
January 18, 1997

Zeta Lambda Chapter (Texas A&M-Corpus Christi)
February 6, 1999

Zeta Xi Chapter (College of Idaho)
May 13, 2000

Zeta Rho Chapter (Texas A&M-College Station)
February 21, 2004

Zeta Upsilon Chapter (Texas-Tyler)
April 22, 2006

Zeta Psi Chapter (Texas-San Antonio) 
April 5, 2008

Eta Beta Chapter (Florida Southern) 
April 10, 2010

Eta Epsilon Chapter (Virginia Tech) 
April 30, 2011

Eta Theta Chapter (Connecticut) 
November 17, 2012

Eta Lambda Chapter (Central Florida) 
November 16, 2013

Eta Xi Chapter (Florida) 
November 1, 2015

Eta Rho Chapter (Nevada-Las Vegas)
April 23, 2016

Eta Upsilon Chapter (Nicholls State)
April 8, 2017

Gamma Chapter (Wisconsin-Madison) 
November 14, 1885

Zeta Chapter (Goucher) 
November 24, 1893

Iota Chapter (Columbia) 
November 16, 1901

Mu Chapter (Standford)
May 6, 1905

Omicron Chapter (Illinois at Urbana-Champaign)
May 24, 1913

Sigma Chapter (Kansas)
October 9, 1915

Phi Chapter (Washington University)
February 23, 1917

Omega Chapter 
December 21, 1918

Alpha Gamma Chapter 
May 14, 1921

Alpha Zeta Chapter (Texas-Austin)
May 29, 1922

Alpha Iota Chapter (California-Los Angeles) 
June 25, 1924

Alpha Mu Chapter (Rollins) 
June 9, 1928

Alpha Omicron Chapter (North Dakota State)
February 1, 1930

Alpha Sigma Chapter (Randolph-Macon Women's)
September 13, 1930

Alpha Phi Chapter (Colorado College)
October 15, 1932

Alpha Omega Chapter (Western Ontario)
October 24, 1936

Beta Gamma Chapter (Bowling Green)
October 23, 1943

Beta Zeta Chapter (Kent State)
October 24, 1947

Beta Iota Chapter 
October 22, 1949

Beta Mu Chapter (Florida State)
April 29, 1950 

Beta Omicron Chapter (Oklahoma City)
November 3, 1951

Beta Sigma Chapter (Washington State) 
March 5, 1955

Beta Phi Chapter (Indiana)
November 16, 1957

Beta Omega Chapter
February 15, 1958

Gamma Gamma Chapter (Wisconsin-Milwaukee)
March 19, 1960

Gamma Zeta Chapter (Texas A&M-Commerce)
March 3, 1962

Gamma Iota Chapter (Midwestern State) 
March 16, 1963

Gamma Mu Chapter (Minnesota State-Moorhead)
April 26, 1964

Gamma Omicron Chapter (Kentucky) 
January 11, 1966

Gamma Sigma Chapter (Western Michigan) 
January 13, 1968

Gamma Phi Chapter (Auburn) 
May 4, 1968

Gamma Omega Chapter (Wisconsin-Platteville) 
March 29, 1969

Delta Gamma Chapter (Nebraska-Omaha) 
March 7, 1970

Delta Zeta Chapter (Southwestern Oklahoma State)
May 5, 1973

Delta Iota Chapter (Purdue)
April 19, 1975

Delta Mu Chapter (Rutgers)
April 23, 1977

Delta Omicron Chapter (Southern Polytechnic State)
January 26, 1980

Delta Sigma Chapter (Florida Institute of Technology) 
May 30, 1981

Delta Phi Chapter (California State-Bakersfield) 
April 23, 1983

Delta Omega Chapter (Oakland) 
April 7, 1984

Epsilon Gamma Chapter (San Diego) 
October 27, 1984

Epsilon Zeta Chapter (Jacksonville) 
November 21, 1987

Epsilon Iota Chapter (Christopher Newport) 
April 30, 1988

Epsilon Mu Chapter (Loyola-New Orleans)
April 22, 1989

Epsilon Omicron Chapter (California-Santa Cruz) 
February 10, 1990

Epsilon Sigma Chapter (Morehead State) 
January 19, 1991

Epsilon Phi Chapter (Bentley)
December 8, 1991

Epsilon Omega Chapter (Miami-Florida)
April 17, 1993

Zeta Gamma Chapter (Sonoma State) 
May 7, 1994

Zeta Zeta Chapter (Coastal Carolina) 
April 12, 1996

Zeta Iota Chapter (Valparaiso) 
April 18, 1998

Zeta Mu Chapter (St. John's) 
January 22, 2000

Zeta Omicron Chapter (John Carroll) 
April 13, 2002

Zeta Sigma Chapter (South Carolina) 
March 19, 2005

Zeta Phi Chapter (Arkansas-Forth Smith)
April 14, 2007

Zeta Omega Chapter (Kennesaw State) 
April 26, 2008

Eta Gamma Chapter (Delaware)
May 8, 2010

Eta Zeta Chapter (Cincinnati)
February 4, 2012

Eta Iota Chapter (Rockhurt)
April 13, 2013

Eta Mu Chapter (Duke)
April 6, 2014

Eta Omicron Chapter (Ohio)
November 22, 2015

Eta Sigma Chapter (Central Missouri) 
November 13, 2016

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