Chapter | Chartered date and range | Institution | Location | Status | References |
Alpha | March 1, 1868 – 1879; 1891–2024 | University of Virginia | Charlottesville, Virginia | Inactive | |
Beta | March 1, 1869 – 1870; 1894–2012 | Davidson College | Davidson, North Carolina | Inactive | [4] |
Gamma | February 27, 1871 – 1895; 1897–1978; 1891–2019 | College of William & Mary | Williamsburg, Virginia | Provisional | [4][a] |
Delta | June 6, 1871 – 1873; 1905–1969 | Birmingham–Southern College | Birmingham, Alabama | Inactive | |
Epsilon | November 11, 1873 – 1880; 1971–1993; 2000 | Virginia Tech | Blacksburg, Virginia | Active | [b] |
Zeta | March 23, 1874 – 1875; 1886–1897; 1892–2012; 2018 | University of Tennessee | Knoxville, Tennessee | Active | |
Eta | January 14, 1879 – 1881; 1903–2009 | Tulane University | New Orleans, Louisiana | Inactive | |
Theta | October 21, 1878 – 2024 | Rhodes College | Memphis, Tennessee | Inactive | |
Iota | November 14, 1885 – 2012; 2015 | Hampden–Sydney College | Hampden Sydney, Virginia | Active | |
Kappa | May 1, 1888 – 1888; 1900 | Transylvania University | Lexington, Kentucky | Active | |
Lambda | January 24, 1889 – 1890 | The Citadel | Charleston, South Carolina | Inactive | |
Mu | December 9, 1890 – 1908; 1921 | Presbyterian College | Clinton, South Carolina | Active | [c] |
Nu | February 23, 1891 – 1906; 1951 | Wofford College | Spartanburg, South Carolina | Active | [d] |
Xi | October 22, 1891 – 1897; 1928–1972; 1975–2002; 2007 | University of South Carolina | Columbia, South Carolina | Active | [e] |
Omicron | October 23, 1891 – 1896; 1901–2006; April 19, 2024 | University of Richmond | Richmond, Virginia | Active | |
Pi | February 4, 1892 – 1898; 1901 | Washington and Lee University | Lexington, Virginia | Active | |
Rho | May 12, 1892 – 1908 | Cumberland University | Lebanon, Tennessee | Inactive | |
Sigma | September 23, 1893 – 1895; 1897–1906; 1921–2010; 2016 | Vanderbilt University | Nashville, Tennessee | Active | |
Tau | February 11, 1895 – 1897; 1899 | University of North Carolina at Chapel Hill | Chapel Hill, North Carolina | Active | |
Upsilon | April 5, 1895 | Auburn University | Auburn, Alabama | Active | |
Phi | October 15, 1896 – 1909; 2021 | Roanoke College | Salem, Virginia | Active | [f] |
Chi | May 6, 1898 – 1910 | Sewanee: The University of the South | Sewanee, Tennessee | Inactive | |
Psi | March 1, 1900 – 1933; 1998–2018 | University of North Georgia | Dahlonega, Georgia | Provisional | [5][g] |
Omega | June 5, 1901 – 2014; 2018 | University of Kentucky | Lexington, Kentucky | Active | |
Alpha Alpha | November 26, 1901 – 1971; 1973 | Duke University | Durham, North Carolina | Active | |
Alpha Beta | March 8, 1902 – 1905; 1947–1951 | Centenary College | Shreveport, Louisiana | Inactive | [6][h] |
Alpha Gamma | December 11, 1903 | Louisiana State University | Baton Rouge, Louisiana | Active | |
Alpha Delta | February 20, 1904 | Georgia Tech | Atlanta, Georgia | Active | |
Alpha Epsilon | October 31, 1904 – 2013; 2019–2020 | North Carolina State University | Raleigh, North Carolina | Active | [i] |
Alpha Zeta | November 2, 1904 – 1993; 2000 | University of Arkansas | Fayetteville, Arkansas | Active | [j] |
Alpha Eta | November 17, 1904 – 2000; 2001 | University of Florida | Gainesville, Florida | Active | |
Alpha Theta | December 6, 1904 – 1909; 1925–1998; 2003–2018; 2022 | West Virginia University | Morgantown, West Virginia | Active | [5][k] |
Alpha Iota | March 23, 1905 – 2000; 2004 | Millsaps College | Jackson, Mississippi | Active | [l] |
Alpha Kappa | November 28, 1905 | Missouri University of Science and Technology | Rolla, Missouri | Active | |
Alpha Lambda | April 19, 1906 – 1921; 1926 | Georgetown College | Georgetown, Kentucky | Active | [m] |
Alpha Mu | January 25, 1908 – 1915; 1930 | University of Georgia | Athens, Georgia | Active | [n] |
Alpha Nu | December 15, 1904 – 2023 | University of Missouri | Columbia, Missouri | Inactive | |
Alpha Xi | May 17, 1910 | University of Cincinnati | Cincinnati, Ohio | Active | [o] |
Alpha Omicron | November 15, 1910 – 1933; 1948 | Southwestern University | Georgetown, Texas | Active | [p] |
Alpha Pi | March 10, 1911 – 1996 | Samford University | Homewood, Alabama | Inactive | [q] |
Alpha Rho | March 29, 1912 – 1969; 1971–2021 | Ohio State University | Columbus, Ohio | Provisional | [7][r] |
Alpha Sigma | April 1, 1912 – 19xx ?; 1980 | University of California, Berkeley | Berkeley, California | Active | [s] |
Alpha Tau | March 20, 1912 | University of Utah | Salt Lake City, Utah | Active | [t] |
Alpha Upsilon | April 12, 1912 – 1933; 1999–2018 | New York University | New York City, New York | Inactive | [u] |
Alpha Phi | February 17, 1913 – 1994; 2000–2018; 2023 | Iowa State University | Ames, Iowa | Active | [5][v] |
Alpha Chi | March 15, 1913 – 2018 | Syracuse University | Syracuse, New York | Provisional | [8][w] |
Alpha Psi | April 17, 1913 – 1960; 1995–2020 | Rutgers University–New Brunswick | New Brunswick, New Jersey | Inactive | [x] |
Alpha Omega | June 9, 1913 | Kansas State University | Manhattan, Kansas | Active | [y] |
Beta Alpha | October 11, 1913 – 2022 | Pennsylvania State University | University Park, Pennsylvania | Inactive | [z] |
Beta Beta | May 12, 1914 – 1970; 1981 | University of Washington | Seattle, Washington | Active | [aa] |
Beta Gamma | June 6, 1914 – 2010; 2016–2019; 2023 | University of Kansas | Lawrence, Kansas | Active | [ab] |
Beta Delta | May 22, 1915 | University of New Mexico | Albuquerque, New Mexico | Active | [ac] |
Beta Epsilon | December 17, 1915 – 1960 | Western Reserve University | Hudson, Ohio | Inactive | [ad] |
Beta Zeta | April 11, 1916 – 2018 | Southern Methodist University | Dallas, Texas | Inactive | |
Beta Eta | March 24, 1917 | University of Illinois Urbana-Champaign | Champaign, Illinois | Active | [ae] |
Beta Theta | March 26, 1917 – 2010; 2014 | Cornell University | Ithaca, New York | Active | [af] |
Beta Iota | February 17, 1917 – 1932; 1947–1964 | Beloit College | Beloit, Wisconsin | Inactive | [ag] |
Beta Kappa | June 19, 1920 – 2006; 2011–2018 | Emory University | Atlanta, Georgia | Provisional | [5][ah] |
Beta Lambda | December 6, 1919 – 1962 | Washington University in St. Louis | St. Louis County, Missouri | Inactive | [ai] |
Beta Mu | March 1, 1920 | University of Texas at Austin | Austin, Texas | Active | [aj] |
Beta Nu | May 12, 1920 – 1936; 1947–2000; 2009–2012; 2017 | Oregon State University | Corvallis, Oregon | Active | [ak] |
Beta Xi | May 14, 1920 – 1960; 1980–1994; 2005 | University of Wisconsin–Madison | Madison, Wisconsin | Active | [al] |
Beta Omicron | September 24, 1920 – 2014; 2019 | University of Oklahoma | Norman, Oklahoma | Active | [am] |
Beta Pi | November 30, 1920 – 1992; 1997 | University of Pennsylvania | Philadelphia, Pennsylvania | Active | [an] |
Beta Rho | December 20, 1920 – 1933 | Colorado College | Colorado Springs, Colorado | Inactive | [ao] |
Beta Sigma | December 5, 1921 | Carnegie Mellon University | Pittsburgh, Pennsylvania | Active | [ap] |
Beta Tau | February 7, 1922 – 1933; 1968–1975; 1993 | University of Michigan | Ann Arbor, Michigan | Active | [aq] |
Beta Upsilon | February 20, 1922 – 1970; 1988–2014; 2018 | University of Colorado Boulder | Boulder, Colorado | Active | [ar] |
Beta Phi | April 12, 1922 | Purdue University | West Lafayette, Indiana | Active | [as] |
Beta Chi | May 15, 1923 – 1936; 1986–1997; 2009 | University of Minnesota | Minneapolis, Minnesota | Active | [at] |
Beta Psi | December 1, 1923 – 1941 | Mercer University | Macon, Georgia | Inactive | [au] |
Beta Omega | March 1, 1924 – 1930 | Lombard College | Galesburg, Illinois | Inactive | [av] |
Gamma Alpha | March 27, 1924 | University of Alabama | Tuscaloosa, Alabama | Active | [aw] |
Gamma Beta | April 12, 1924 – 1941; 1967–1978; 1999 | University of Nebraska–Lincoln | Lincoln, Nebraska | Active | [ax] |
Gamma Gamma | November 16, 1924 – 1972 | University of Denver | Denver, Colorado | Inactive | [ay] |
Gamma Delta | December 1, 1925 – 2004; 2009–2021 | University of Arizona | Tucson, Arizona | Inactive | [9][az] |
Gamma Epsilon | June 11, 1925 | Utah State University | Logan, Utah | Active | [ba] |
Gamma Zeta | March 12, 1926 – 1983 | Wittenberg University | Springfield, Ohio | Inactive | [bb] |
Gamma Eta | June 26, 1926 – 1972; 1993 | University of Southern California | Los Angeles, California | Active | [bc] |
Gamma Theta | May 27, 1927 | Mississippi State University | Starkville, Mississippi | Active | [bd] |
Gamma Iota | May 27, 1927–2021 | University of Mississippi | Oxford, Mississippi | Inactive | [10] |
Gamma Kappa | October 12, 1928 | Montana State University | Bozeman, Montana | Active | [be] |
Gamma Lambda | October 26, 1929 – 2001; 2010–2018 | Lehigh University | Bethlehem, Pennsylvania | Inactive | [bf] |
Gamma Mu | December 7, 1929 – 1992; 1994–2018 | University of New Hampshire | Durham, New Hampshire | Provisional | [5][bg] |
Gamma Nu | October 26, 1929 – 2004; 2014–2022 | University of Iowa | Iowa City, Iowa | Inactive | [11][bh] |
Gamma Xi | December 19, 1929 | Washington State University | Pullman, Washington | Active | [bi] |
Gamma Omicron | May 16, 1930 – 1974; 1987–2012; 2019 | Ohio University | Athens, Ohio | Active | [bj] |
Gamma Pi | February 11, 1931 – 1972; 1977–1986; 1994–2012; 2018 | University of Oregon | Eugene, Oregon | Active | [bk] |
Gamma Rho | February 6, 1932 – 2001; 2003–2022 | Northwestern University | Evanston, Illinois | Inactive | [bl] |
Gamma Sigma | March 3, 1934 – 1974; 19xx ? | University of Pittsburgh | Pittsburgh, Pennsylvania | Active | [bm] |
Gamma Tau | May 11, 1935 | Rensselaer Polytechnic Institute | Troy, New York | Active | [bn] |
Gamma Upsilon | June 6, 1936 | University of Tulsa | Tulsa, Oklahoma | Active | [bo] |
Gamma Phi | April 17, 1939 | Wake Forest University | Winston-Salem, North Carolina | Active | [bp] |
Gamma Chi | June 1, 1939 | Oklahoma State University–Stillwater | Stillwater, Oklahoma | Active | [bq] |
Gamma Psi | May 4, 1940 | Louisiana Tech University | Ruston, Louisiana | Active | [br] |
Gamma Omega | May 18, 1940 – 2014; 2019 | University of Miami | Coral Gables, Florida | Active | [bs] |
Delta Alpha | February 22, 1941 – 1966; 1990–1998; 2004–2020 | George Washington University | Washington, D.C. | Inactive | [bt] |
Delta Beta | June 21, 1942 – 1980; 19xx ?–1996; 2005–2021 | Bowling Green State University | Bowling Green, Ohio | Inactive | [bu] |
Delta Gamma | February 15, 1947 | Miami University | Oxford, Ohio | Active | |
Delta Delta | May 10, 1947 – 1984; 1989–2002; 2011–2021 | Florida Southern College | Lakeland, Florida | Inactive | [bv] |
Delta Epsilon | June 7, 1947 – 1990; 1998 | University of Tennessee at Chattanooga | Chattanooga, Tennessee | Active | [bw] |
Delta Zeta | December 7, 1947 – 2006; 2012–2018 | University of Memphis | Memphis, Tennessee | Inactive | [bx] |
Delta Eta | March 13, 1948 – 1972; 1975–1998; 2002–2005; 2020 | University of Delaware | Newark, Delaware | Active | [by] |
Delta Theta | March 13, 1948 | Arkansas State University | Jonesboro, Arkansas | Active | [bz] |
Delta Iota | June 5, 1948 – 2019 | Marshall University | Huntington, West Virginia | Inactive | [ca] |
Delta Kappa | November 27, 1948 – 1972; 1974–1987; 2014–2024 | San Diego State University | San Diego, California | Inactive | [cb] |
Delta Lambda | March 5, 1949 – 1988; 2001 | Florida State University | Tallahassee, Florida | Active | [cc] |
Delta Mu | December 10, 1949 – 2014; 2019 | University of Southern Mississippi | Hattiesburg, Mississippi | Active | |
Delta Nu | February 4, 1950 | Wayne State University | Detroit, Michigan | Active | [cd] |
Delta Xi | February 11, 1950 – 1954; 1965–2001; 2007 | Indiana University Bloomington | Bloomington, Indiana | Active | [ce] |
Delta Omicron | February 25, 1950 – 1974; 1975–2016 | Drake University | Des Moines, Iowa | Inactive | [cf] |
Delta Pi | March 4, 1950 – 1973; 2002–2019 | San Jose State University | San Jose, California | Inactive | [cg] |
Delta Rho | March 12, 1950 | Linfield University | McMinnville, Oregon | Active | [ch] |
Delta Sigma | May 6, 1950 | Bradley University | Peoria, Illinois | Active | [ci] |
Delta Tau | March 31, 1951 – 2008; 2014 | Arizona State University | Tempe, Arizona | Active | |
Delta Upsilon | March 31, 1951 – 1990; 2010 | Stetson University | DeLand, Florida | Active | [cj] |
Delta Phi | April 28, 1951 – 1964 | Colorado School of Mines | Golden, Colorado | Inactive | [ck] |
Delta Chi | February 23, 1952 | University of Nebraska Omaha | Omaha, Nebraska | Active | [cl] |
Delta Psi | June 8, 1952 – 1993; 1998–2012; 2017–October 2021 | University of Maryland, College Park | College Park, Maryland | Inactive | [12][cm] |
Delta Omega | February 7, 1953 | High Point University | High Point, North Carolina | Active | [cn] |
Epsilon Alpha | May 2, 1953 – 1974; 1976 | Trinity College | Hartford, Connecticut | Active | [13][co] |
Epsilon Beta | May 9, 1953 – 1998; 2017 | Valparaiso University | Valparaiso, Indiana | Active | [cp] |
Epsilon Gamma | May 16, 1953 – 2008; 2012 | Texas Tech University | Lubbock, Texas | Active | [cq] |
Epsilon Delta | March 12, 1955 – 1993; 2008 | University of North Texas | Denton, Texas | Active | [cr] |
Epsilon Epsilon | April 30, 1955 – 1996; 2002 | University of Toledo | Toledo, Ohio | Active | [cs] |
Epsilon Zeta | May 14, 1955 – 2018 | East Tennessee State University | Johnson City, Tennessee | Provisional | [5][ct] |
Epsilon Eta | February 4, 1956 – 2018 | University of Houston | Houston, Texas | Inactive | [cu] |
Epsilon Theta | November 10, 1956 – 1974; 1983–2016 | Colorado State University | Fort Collins, Colorado | Inactive | [5] |
Epsilon Iota | May 3, 1958 | Southeast Missouri State University | Cape Girardeau, Missouri | Active | [cv] |
Epsilon Kappa | May 10, 1958 | Lamar University | Beaumont, Texas | Active | [cw] |
Epsilon Lambda | May 17, 1958 | Murray State University | Murray, Kentucky | Active | [cx] |
Epsilon Mu | May 17, 1958 – 1974; 1986–2000; 2003–2019 | East Carolina University | Greenville, North Carolina | Active | [cy] |
Epsilon Nu | February 25, 1960 | Georgia State University | Atlanta, Georgia | Active | [cz] |
Epsilon Xi | May 21, 1960–1998 | Case Western Reserve University | Cleveland, Ohio | Inactive | [da] |
Epsilon Omicron | December 17, 1960 – 2010; 2015 | Stephen F. Austin State University | Nacogdoches, Texas | Active | [db] |
Epsilon Pi | February 4, 1961 – 1992; 2009 | Sam Houston State University | Huntsville, Texas | Active | [dc] |
Epsilon Rho | May 20, 1961 – 1970 | Idaho State University | Pocatello, Idaho | Inactive | |
Epsilon Sigma | December 9, 1961 | University of Tennessee at Martin | Martin, Tennessee | Active | [dd] |
Epsilon Tau | November 17, 1962 – 1990 | Eastern New Mexico University | Portales, New Mexico | Inactive | [de] |
Epsilon Upsilon | December 1, 1962 | Gannon University | Erie, Pennsylvania | Active | [df] |
Epsilon Phi | February 23, 1963 | University of Central Arkansas | Conway, Arkansas | Active | [dg] |
Epsilon Chi | April 6, 1963 | Pittsburg State University | Pittsburg, Kansas | Active | [dh] |
Epsilon Psi | April 27, 1963 – 1996; 2014 | Western Michigan University | Kalamazoo, Michigan | Active | [di] |
Epsilon Omega | October 25, 1963 | East Central University | Ada, Oklahoma | Active | [dj] |
Zeta Alpha | November 10, 1963 | Kettering University | Flint, Michigan | Active | [dk] |
Zeta Beta | December 15, 1963 | Delta State University | Cleveland, Mississippi | Active | [dl] |
Zeta Gamma | April 12, 1964 – 2022 | Eastern Illinois University | Charleston, Illinois | Inactive | [14][dm] |
Zeta Delta | May 3, 1964 – 1973 | Parsons College | Fairfield, Iowa | Inactive | [dn] |
Zeta Epsilon | February 6, 1965 | Western Kentucky University | Bowling Green, Kentucky | Active | [do] |
Zeta Zeta | March 13, 1965 – 1990 | Southwestern Oklahoma State University | Weatherford, Oklahoma | Inactive | [dp] |
Zeta Eta | May 15, 1965 – 2021 | University of Arkansas at Little Rock | Little Rock, Arkansas | Inactive | |
Zeta Theta | December 5, 1965 – 2004; 2010–2017; 2021 | Texas State University | San Marcos, Texas | Active | [dq] |
Zeta Iota | February 13, 1966 – 1986; 1995 | Old Dominion University | Norfolk, Virginia | Active | [dr] |
Zeta Kappa | April 24, 1966 | Ferris State University | Big Rapids, Michigan | Active | [ds] |
Zeta Lambda | May 8, 1966 – 1978; 2014 | Adrian College | Adrian, Michigan | Active | [dt] |
Zeta Mu | May 14, 1966 – 2008; 2013 | University of Idaho | Moscow, Idaho | Active | |
Zeta Nu | November 18, 1966 – 1978 | Eastern Washington University | Cheney, Washington | Inactive | [du] |
Zeta Xi | February 12, 1967 – 2015; 2021 | Western Carolina University | Cullowhee, North Carolina | Active | [dv] |
Zeta Omicron | May 21, 1967 – 2015; 2023 | California State University, Northridge | Los Angeles, California | Active | |
Zeta Pi | March 1, 1968 | University of South Florida | Tampa, Florida | Active | [dw] |
Zeta Rho | March 1, 1968 | University of North Dakota | Grand Forks, North Dakota | Active | |
Zeta Sigma | March 1, 1968 | Florida Institute of Technology | Melbourne, Florida | Active | [dx] |
Zeta Tau | February 9, 1969 – 2012; 2018 | Eastern Kentucky University | Richmond, Kentucky | Active | [dy] |
Zeta Upsilon | February 15, 1969 – 1986 | Concord University | Athens, West Virginia | Inactive | [dz] |
Zeta Phi | May 4, 1969 – 2020 | University of Missouri–St. Louis | St. Louis, Missouri | Inactive | [ea] |
Zeta Chi | May 11, 1969 – 2004; 2012 | Missouri State University | Springfield, Missouri | Active | |
Zeta Psi | May 10, 1969 – 1987 | Nicholls State University | Thibodaux, Louisiana | Inactive | [eb] |
Zeta Omega | May 11, 1969 – 1990; 2007–2022 | University of Louisiana at Lafayette | Lafayette, Louisiana | Inactive | [15] |
Eta Alpha | February 1, 1970 – 2004; 2007–2016; 2020 | Clemson University | Clemson, South Carolina | Active | [ec] |
Eta Beta | February 15, 1970 – 2000 | Seton Hall University | South Orange, New Jersey | Inactive | |
Eta Gamma | March 1, 1970 – 1972 | University of Windsor | Windsor, Ontario, Canada | Inactive | |
Eta Delta | May 24, 1970 – 1982 | Massachusetts Institute of Technology | Cambridge, Massachusetts | Inactive | |
Eta Epsilon | February 19, 1971 | Angelo State University | San Angelo, Texas | Active | [ed] |
Eta Zeta | March 30, 1971 – 2012 | Middle Tennessee State University | Murfreesboro, Tennessee | Inactive | [ee] |
Eta Eta | March 28, 1971 – 1986; 2001–2020 | Morehead State University | Morehead, Kentucky | Inactive | [ef] |
Eta Theta | April 18, 1971 – 2008 | Weber State University | Ogden, Utah | Inactive | [eg] |
Eta Iota | May 2, 1971 – 1976 | Woodbury University | Burbank, California | Inactive | [eh] |
Eta Kappa | May 8, 1971 – 1975; 1977 | University of South Alabama | Mobile, Alabama | Active | [ei] |
Eta Lambda | May 8, 1971 – 1974 | Robert Morris University | Moon Township, Pennsylvania | Inactive | [ej] |
Eta Mu | May 15, 1971 – 1982; 2007–2021 | Georgia Southern University–Armstrong Campus | Savannah, Georgia | Inactive | [ek] |
Eta Nu | May 23, 1971 – 2014 | Northern Illinois University | DeKalb, Illinois | Inactive | [el] |
Eta Xi | February 5, 1972 – 1986 | University of Alabama at Birmingham | Birmingham, Alabama | Inactive | [em] |
Eta Omicron | March 18, 1972 | University of Louisiana at Monroe | Monroe, Louisiana | Active | [en] |
Eta Pi | March 25, 1972 – 1982; 2012 | University of West Florida | Pensacola, Florida | Active | [eo] |
Eta Rho | March 15, 1972 | Northern Kentucky University | Highland Heights, Kentucky | Active | [ep] |
Eta Sigma | May 6, 1972 – 1996; 2001 | University of West Georgia | Carrollton, Georgia | Active | [eq] |
Eta Tau | May 6, 1972 – 2010; 2015 | Austin Peay State University | Clarksville, Tennessee | Active | [er] |
Eta Upsilon | January 26, 1973 – 2000; 2006 | University of Texas at Arlington | Arlington, Texas | Active | [es] |
Eta Phi | February 24, 1973 – 2006 | University of Central Florida | Orlando, Florida | Inactive | [et] |
Eta Chi | February 24, 1973 – 1978 | Valencia College | Orlando, Florida | Inactive | [eu] |
Eta Psi | December 8, 1973 – 1982 | Texas Wesleyan University | Fort Worth, Texas | Inactive | [ev] |
Eta Omega | February 9, 1974 – 1986; 2010–2014 | University of North Carolina at Pembroke | Pembroke, North Carolina | Inactive | [ew] |
Theta Alpha | March 30, 1974 | University of North Alabama | Florence, Alabama | Active | |
Theta Beta | April 7, 1974 – 2012 | University of Montevallo | Montevallo, Alabama | Inactive | [ex] |
Theta Gamma | April 27, 1974 | Georgia College & State University | Milledgeville, Georgia | Active | [ey] |
Theta Delta | May 19, 1974 – 2004; 2022 | Francis Marion University | Florence, South Carolina | Active | [5][ez] |
Theta Epsilon | March 8, 1975 | Northeastern State University | Tahlequah, Oklahoma | Active | |
Theta Zeta | October 11, 1975 – 2022 | University of Northern Iowa | Cedar Falls, Iowa | Inactive | |
Theta Eta | February 14, 1976 – 1996 | Loyola Marymount University | Los Angeles, California | Inactive | |
Theta Theta | April 24, 1976 – 2000; 2011 | Texas A&M University | College Station, Texas | Active | |
Theta Iota | April 25, 1976 – 1986 | Tyler Junior College | Tyler, Texas | Inactive | [fa] |
Theta Kappa | April 9, 1977 | Indiana University Southeast | New Albany, Indiana | Active | |
Theta Lambda | April 16, 1977 – 2012; 2017–2019 | Creighton University | Omaha, Nebraska | Inactive | |
Theta Mu | April 16, 1977 – 2012; 2008–2018 | University of Massachusetts Amherst | Amherst, Massachusetts | Provisional | [16][fb] |
Theta Nu | April 30, 1977 – 2010 | Baylor University | Waco, Texas | Inactive | [fc] |
Theta Xi | March 25, 1978 | East Texas A&M University | Commerce, Texas | Active | [fd] |
Theta Omicron | March 3, 1979 | Indiana State University | Terre Haute, Indiana | Active | |
Theta Pi | March 24, 1979 | University of Alabama in Huntsville | Huntsville, Alabama | Active | |
Theta Rho | March 29, 1980 – 2010; 2019 | Northern Arizona University | Flagstaff, Arizona | Active | |
Theta Sigma | April 5, 1980 – 2023 | Winthrop University | Rock Hill, South Carolina | Inactive | |
Theta Tau | April 25, 1981 – 2022 | California State University, Sacramento | Sacramento, California | Inactive | |
Theta Upsilon | May 16, 1981 | Tennessee Tech | Cookeville, Tennessee | Active | [fe] |
Theta Phi | April 24, 1982 – 2000 | Wichita State University | Wichita, Kansas | Inactive | |
Theta Chi | January 28, 1984 – 2000 | Villanova University | Villanova, Pennsylvania | Inactive | [ff] |
Theta Psi | March 14, 1985 | Chapman University | Orange, California | Active | [fg] |
Theta Omega | May 3, 1985 - 2024 | University of California, Davis | Davis, California | Inactive | |
Iota Alpha | April 24, 1986 – 2014; 2016 | University of Wyoming | Laramie, Wyoming | Active | |
Iota Beta | December 6, 1986 | California State University, Fresno | Fresno, California | Active | |
Iota Gamma | May 10, 1987 | University of Nebraska at Kearney | Kearney, Nebraska | Active | |
Iota Delta | January 30, 1988 | Rose–Hulman Institute of Technology | Terre Haute, Indiana | Active | |
Iota Epsilon | March 18, 1988 – 1996; 2009 | California State University, Long Beach | Long Beach, California | Active | |
Iota Zeta | April 16, 1988 – 2004 | Randolph–Macon College | Ashland, Virginia | Inactive | |
Iota Eta | November 12, 1988 – 2004 | University of Nevada, Reno | Reno, Nevada | Inactive | |
Iota Theta | April 7, 1989 – 2018 | California Polytechnic State University, San Luis Obispo | San Luis Obispo, California | Inactive | |
Iota Iota | May 12, 1989 | Michigan State University | East Lansing, Michigan | Active | |
Iota Kappa | September 23, 1989 – 2010 | University of California, Santa Barbara | Santa Barbara, California | Inactive | |
Iota Lambda | January 26, 1990 – 2019 | Columbia University | New York City, New York | Inactive | |
Iota Mu | April 14, 1990 – April 20, 2004 | Southern Illinois University Carbondale | Carbondale, Illinois | Inactive | [17][fh] |
Iota Nu | April 28, 1990 – 2008 | Saint Louis University | St. Louis, Missouri | Provisional | [fb] |
Iota Xi | August 10, 1990 – 2006; 2021 | University of Chicago | Chicago, Illinois | Active | |
Iota Omicron | April 13, 1991 | Santa Clara University | Santa Clara, California | Active | |
Iota Pi | May 24, 1991 – 2016 | University of California, Los Angeles | Los Angeles, California | Provisional | [fb] |
Iota Rho | September 21, 1992 – 2012 | Saint Joseph's University | Philadelphia, Pennsylvania | Inactive | |
Iota Sigma | March 22, 1992 | James Madison University | Harrisonburg, Virginia | Active | |
Iota Tau | April 10, 1993 – 2016 | Johns Hopkins University | Baltimore, Maryland | Inactive | |
Iota Upsilon | June 26, 1993– | Georgia Southern University | Statesboro, Georgia | Active | |
Iota Phi | December 11, 1993 – 2000 | University of Montana | Missoula, Montana | Inactive | |
Iota Chi | February 5, 1994 – 2016 | University of Connecticut | Storrs, Connecticut | Inactive | |
Iota Psi | April 2, 1994 | Appalachian State University | Boone, North Carolina | Active | |
Iota Omega | April 9, 1994 | University of Western Ontario | London, Ontario, Canada | Active | |
Kappa Alpha | April 23, 1994 – 2016 | Illinois State University | Normal, Illinois | Inactive | |
Kappa Beta | May 15, 1994 – 2010 | Princeton University | Princeton, New Jersey | Inactive | |
Kappa Gamma | May 21, 1994 – 2014; 2022 | Florida International University | Miami, Florida | Active | [5] |
Kappa Delta | June 25, 1994 | Northeastern University | Boston, Massachusetts | Active | |
Kappa Epsilon | December 17, 1994 | Rockhurst University | Kansas City, Missouri | Active | [fi] |
Kappa Zeta | January 21, 1995 | University of Louisville | Louisville, Kentucky | Active | |
Kappa Eta | March 25, 1995 | New Mexico State University | Las Cruces, New Mexico | Active | |
Kappa Theta | September 30, 1995 | George Mason University | Fairfax, Virginia | Active | |
Kappa Iota | October 13, 1995 – 2000; 2009 | University of Rhode Island | Kingston, Rhode Island | Active | |
Kappa Kappa | February 24, 1996 – 2014; 2025 | University of North Carolina at Charlotte | Charlotte, North Carolina | Active | [5] |
Kappa Lambda | March 16, 1996 – 2016 | Western Illinois University | Macomb, Illinois | Inactive | |
Kappa Mu | March 23, 1996 | Wilfrid Laurier University and University of Waterloo | Waterloo, Ontario, Canada | Active | |
Kappa Nu | April 13, 1996 | University of the Pacific | Stockton, California | Active | |
Kappa Xi | November 16, 1996 – 2004 | University at Albany, SUNY | Albany, New York | Inactive | |
Kappa Omicron | January 18, 1997 | University of Nevada, Las Vegas | Paradise, Nevada | Active | |
Kappa Pi | March 15, 1997 | University of South Dakota | Vermillion, South Dakota | Active | |
Kappa Rho | April 19, 1997 – 2006; 2016 – 2018 | Coastal Carolina University | Conway, South Carolina | Inactive | |
Kappa Sigma | April 26, 1997 – 2020 | Slippery Rock University | Slippery Rock, Pennsylvania | Inactive | |
Kappa Tau | May 3, 1997 – 2016 | University of Maine | Orono, Maine | Inactive | |
Kappa Upsilon | October 18, 1997 | American University | Washington, D.C. | Active | |
Kappa Phi | November 1, 1997 | University of California, San Diego | San Diego, California | Active | |
Kappa Chi | September 19, 1998 – 2004 | Plymouth State University | Plymouth, New Hampshire | Inactive | |
Kappa Psi | October 3, 1998 – 2012; 2019 | California State Polytechnic University, Pomona | Pomona, California | Active | |
Kappa Omega | December 12, 1998 – 2018; February 12, 2024 | University of Wisconsin–Whitewater | Whitewater, Wisconsin | Active | [18] |
Lambda Alpha | January 22, 2000 – 2016 | University of California, Riverside | Riverside, California | Inactive | |
Lambda Beta | February 19, 2000 – 2014; 2020 | Florida Atlantic University | Boca Raton, Florida | Active | |
Lambda Gamma | April 29, 2000 | Montclair State University | Montclair, New Jersey | Active | |
Lambda Delta | April 1, 2000 | University of Vermont | Burlington, Vermont | Active | |
Lambda Epsilon | November 11, 2001 | University of Alberta | Edmonton, Alberta, Canada | Active | |
Lambda Zeta | November 10, 2001 | Drexel University | Philadelphia, Pennsylvania | Active | |
Lambda Eta | November 17, 2001 | William Woods University | Fulton, Missouri | Active | |
Lambda Theta | December 1, 2001 – 2019 | University of Dayton | Dayton, Ohio | Inactive | |
Lambda Iota | April 13, 2002 | University of Central Oklahoma | Edmond, Oklahoma | Active | |
Lambda Kappa | April 3, 2004 | College of Charleston | Charleston, South Carolina | Active | |
Lambda Lambda | April 17, 2004 | University of California, Irvine | Irvine, California | Active | |
Lambda Mu | April 23, 2005 | Embry–Riddle Aeronautical University, Daytona Beach | Daytona Beach, Florida | Active | |
Lambda Nu | April 8, 2006 | Boston University | Boston, Massachusetts | Active | |
Lambda Xi | April 22, 2006 | Florida Gulf Coast University | Fort Myers, Florida | Active | |
Lambda Omicron | October 14, 2006 – 2012 | Rogers State University | Claremore, Oklahoma | Inactive | |
Lambda Pi | October 27, 2007 | Hofstra University | Nassau County, New York | Active | |
Lambda Rho | April 4, 2009 | University of North Carolina at Greensboro | Greensboro, North Carolina | Active | |
Lambda Sigma | December 5, 2009 – 2016 | Trinity University | San Antonio, Texas | Inactive | |
Lambda Tau | January 30, 2010 – 2014 | DePaul University | Chicago, Illinois | Inactive | |
Lambda Upsilon | February 27, 2010 | McNeese State University | Lake Charles, Louisiana | Active | |
Lambda Phi | April 17, 2010 | University of North Carolina Wilmington | Wilmington, North Carolina | Active | |
Lambda Chi | April 17, 2010 | Virginia Commonwealth University | Richmond, Virginia | Active | |
Lambda Psi | October 30, 2010 – 2022 | California State University, Chico | Chico, California | Inactive | |
Lambda Omega | April 16, 2011 | Towson University | Towson, Maryland | Active | |
Mu Alpha | May 21, 2011 – 2023 | Rowan University | Glassboro, New Jersey | Inactive | |
Mu Beta | March 24, 2012 – 2018 | Kennesaw State University | Cobb County, Georgia | Inactive | |
Mu Gamma | March 16, 2013 | Binghamton University | Binghamton, New York | Active | |
Mu Delta | March 6, 2013 | McMaster University | Hamilton, Ontario, Canada | Active | |
Mu Epsilon | May 11, 2013 – 2022 | California State University, Fullerton | Fullerton, California | Inactive | [19] |
Mu Zeta | July 20, 2013 – 2018 | Ramapo College | Mahwah, New Jersey | Inactive | |
Mu Eta | November 16, 2013 | Methodist University | Fayetteville, North Carolina | Active | |
Mu Theta | November 23, 2013 | Kent State University | Kent, Ohio | Active | |
Mu Iota | May 31, 2014 – 2019 | Columbus State University | Columbus, Georgia | Inactive | |
Mu Kappa | October 25, 2014 | Northwestern State University | Natchitoches, Louisiana | Active | |
Mu Lambda | November 22, 2014 | West Chester University | West Chester, Pennsylvania | Active | |
Mu Mu | April 11, 2015 | Jacksonville University | Jacksonville, Florida | Active | |
Mu Nu | June 27, 2015 – 2022 | Southeastern Louisiana University | Hammond, Louisiana | Inactive | |
Mu Xi | September 26, 2016 – 2020 | Bridgewater State University | Bridgewater, Massachusetts | Inactive | |
Mu Omicron | August 20, 2016 | South Dakota State University | Brookings, South Dakota | Active | |
Mu Pi | October 15, 2016 – 2021 | United States Military Academy | West Point, New York | Inactive | |
Mu Rho | April 30, 2017 | Christopher Newport University | Newport News, Virginia | Active | |
Mu Sigma | October 14, 2017 | Arkansas Tech University | Russellville, Arkansas | Active | |
Mu Tau | April 28, 2018 | University of Northern Colorado | Greeley, Colorado | Active | |
Mu Upsilon | October 31, 2020 | Jacksonville State University | Jacksonville, Alabama | Active | |
Mu Phi | April 17, 2021 | Northwest Missouri State University | Maryville, Missouri | Active | |
Mu Chi | May 8, 2021 | California State University, San Bernardino | San Bernardino, California | Active | |
Mu Psi | October 23, 2021 | Boise State University | Boise, Idaho | Active | |
Mu Omega | April 5, 2025 | Pepperdine University | Malibu, California | Active | [fj] |
| | University of North Florida | Jacksonville, Florida | Provisional | [5][fk] |
| | North Dakota State University | Fargo, North Dakota | Provisional | [fl] |