Chapter |
Charter date and range |
Institution |
Location |
Status |
References |
Williams |
November 4, 1834 – 1862; October 12, 1883 – 1964 |
Williams College |
Williamstown, Massachusetts |
Inactive |
|
Union |
1837–1844, 1846–1863, 1869–1996 |
Union College |
Schenectady, New York |
Inactive |
|
Middlebury |
1845–1847, 1857–1992 |
Middlebury College |
Middlebury, Vermont |
Inactive |
|
Hamilton |
July 21, 1847 – 2023 |
Hamilton College |
Clinton, New York |
Inactive |
|
Amherst |
July 29, 1847 – 1861; June 2, 1870 – 1970 |
Amherst College |
Amherst, Massachusetts |
Inactive |
|
Wesleyan |
1850–1852, 1920–1952 |
Wesleyan University |
Middletown, Connecticut |
Inactive |
|
Vermont |
1850–1854; April 29, 2018 – 2023 |
University of Vermont |
Burlington, Vermont |
Inactive |
|
Reserve |
1851–1853, 1866 |
Case Western Reserve University |
Cleveland, Ohio |
Active |
|
Rochester |
1852–1972, 1991 |
University of Rochester |
Rochester, New York |
Active |
|
Colby |
July 15, 1852 – 1865; 1879–1985 |
Colby College |
Waterville, Maine |
Inactive |
|
Bowdoin |
1859–1861, 1893–1952 |
Bowdoin College |
Brunswick, Maine |
Inactive |
|
Rutgers |
July 6, 1859 – 1991; 2011 |
Rutgers, The State University of New Jersey |
New Brunswick, New Jersey |
Active |
|
Washington |
1862–1871 |
Washington & Jefferson College |
Washington, Pennsylvania |
Inactive |
|
New York |
1865–1945 |
New York University |
New York City, New York |
Inactive |
|
Colgate |
November 21, 1865 |
Colgate University |
Hamilton, New York |
Active |
|
Fresno |
May 4, 1868 – 2010 |
California State University, Fresno |
Fresno, California |
Inactive |
|
Miami |
May 13, 1868 – 1873; 1908 |
Miami University |
Oxford, Ohio |
Active |
[4] |
Brown |
1869–1967, 1987–1992 |
Brown University |
Providence, Rhode Island |
Inactive |
|
Cornell |
June 6, 1869 – 2002; 2005 |
Cornell University |
Ithaca, New York |
Active |
|
Marietta |
1870–2006 |
Marietta College |
Marietta, Ohio |
Inactive |
|
Princeton |
1870–1871 |
Princeton University |
Princeton, New Jersey |
Inactive |
|
Trinity |
1870–1876 |
Trinity College |
Hartford, Connecticut |
Inactive |
|
Syracuse |
November 14, 1873 – 1971; 1977–1996; 2019 |
Syracuse University |
Syracuse, New York |
Active |
[5] |
Manhattan |
1874–1878 |
City University of New York |
Manhattan, New York |
Inactive |
|
Michigan |
April 10, 1876 – 1998; 2003 |
University of Michigan |
Ann Arbor, Michigan |
Active |
|
Northwestern |
October 27, 1880 – 2013; 2018 |
Northwestern University |
Evanston, Illinois |
Inactive |
[6] |
Harvard |
1881–1942, 1999–2006 |
Harvard University |
Cambridge, Massachusetts |
Inactive |
|
Columbia |
1885–1941, 1951–1964 |
Columbia University |
New York City, New York |
Inactive |
|
Wisconsin |
May 6, 1885 |
University of Wisconsin–Madison |
Madison, Wisconsin |
Active |
|
Lafayette |
May 30, 1885 |
Lafayette College |
Easton, Pennsylvania |
Active |
|
Lehigh |
October 10, 1885 |
Lehigh University |
Bethlehem, Pennsylvania |
Active |
|
Tufts |
December 4, 1886–2019, April 28, 2024 |
Tufts University |
Medford, Massachusetts |
Active |
|
DePauw |
October 28, 1887 |
DePauw University |
Greencastle, Indiana |
Active |
|
Pennsylvania |
1888–1972, 1980–1987, 1900–2015 |
University of Pennsylvania |
Philadelphia, Pennsylvania |
Inactive |
|
Minnesota |
1890–1986, 1992–2018 |
University of Minnesota |
Minneapolis, Minnesota |
Inactive |
[7] |
Technology |
1891–2014 |
Massachusetts Institute of Technology |
Boston, Massachusetts |
Inactive |
|
Swarthmore |
March 3, 1894 – April 30, 2019 |
Swarthmore College |
Swarthmore, Pennsylvania |
Inactive |
[8] |
Stanford |
1896–1987 |
Stanford University |
Palo Alto, California |
Inactive |
|
California |
March 13, 1896 |
University of California, Berkeley |
Berkeley, California |
Active |
|
Nebraska |
December 9, 1898 |
University of Nebraska–Lincoln |
Lincoln, Nebraska |
Active |
|
McGill |
November 11, 1898 – 1971; 1984–2000 |
McGill University |
Montreal, Quebec |
Inactive |
[9] |
Toronto |
December 15, 1899 |
University of Toronto |
Toronto, Ontario |
Active |
[9] |
Chicago |
January 5, 1901 – 2023 |
University of Chicago |
Chicago, Illinois |
Inactive |
|
Ohio State |
December 9, 1904 – 2019 |
Ohio State University |
Columbus, Ohio |
Inactive |
|
Illinois |
December 21, 1905 |
University of Illinois at Urbana–Champaign |
Urbana, Illinois |
Active |
|
Washington |
December 9, 1910–2018 |
University of Washington |
Seattle, Washington |
Colony |
|
Pennsylvania State |
December 8, 1911 – 2017; 2018 |
Pennsylvania State University |
State College, Pennsylvania |
Active |
[10] |
Iowa State |
December 6, 1913 – 2008; 2013 |
Iowa State University |
Ames, Iowa |
Active |
|
Purdue |
December 6, 1914 – 2021; March 26, 2023 |
Purdue University |
West Lafayette, Indiana |
Active |
|
Indiana |
December 11, 1915 - 2023 |
Indiana University |
Bloomington, Indiana |
Inactive |
|
Carnegie |
December 15, 1917 – 2008; 2014–2016 |
Carnegie Mellon University |
Pittsburgh, Pennsylvania |
Colony |
|
Kansas |
January 10, 1920–2019; December 9, 2023 |
University of Kansas |
Lawrence, Kansas |
Active |
|
Oregon State |
January 14, 1922–2022 |
Oregon State University |
Corvallis, Oregon |
Colony |
|
Virginia |
April 8, 1922 – 1943; 1949 |
University of Virginia |
Charlottesville, Virginia |
Active |
|
Missouri |
1924–2016, November 2, 2019 |
University of Missouri |
Columbia, Missouri |
Active |
|
Iowa |
December 5, 1925 – 2008; 2015 |
University of Iowa |
Iowa City, Iowa |
Inactive |
|
Dartmouth |
1926–1966 |
Dartmouth College |
Hanover, New Hampshire |
Inactive |
|
Hopkins |
1928–1999 |
Johns Hopkins University |
Baltimore, Maryland |
Inactive |
|
Oklahoma |
January 15, 1928 |
University of Oklahoma |
Norman, Oklahoma |
Active |
|
Los Angeles |
1929–1952 |
University of California, Los Angeles |
Los Angeles, California |
Inactive |
|
Manitoba |
November 23, 1929 – 2017 |
University of Manitoba |
Winnipeg, Manitoba |
Inactive |
[11][9] |
Washington & Lee |
1930–1970 |
Washington and Lee University |
Lexington, Virginia |
Inactive |
|
Western Ontario |
December 6, 1931 |
University of Western Ontario |
London, Ontario |
Active |
[9] |
Washington State |
1933–1999; 2001–2017 |
Washington State University |
Pullman, Washington |
Colony |
|
Oregon |
January 6, 1934 – 1971; 1988–2010; 2015–2022 |
University of Oregon |
Eugene, Oregon |
Inactive |
|
British Columbia |
January 16, 1935 – 1968 |
University of British Columbia |
Vancouver, British Columbia |
Inactive |
[9] |
Alberta |
January 19, 1935 |
University of Alberta |
Edmonton, Alberta |
Active |
[9] |
San Jose |
November 14, 1948 – 1969; 1984 |
San Jose State University |
San Jose, California |
Active |
|
Kent State |
December 4, 1948 – 1971; 1990 |
Kent State University |
Kent, Ohio |
Active |
|
Louisville |
January 8, 1949 |
University of Louisville |
Louisville, Kentucky |
Active |
|
Michigan State |
1949–1972, 1979–2007 |
Michigan State University |
East Lansing, Michigan |
Inactive |
|
Texas |
October 29, 1949 – 2000; 2017 |
University of Texas at Austin |
Austin, Texas |
Active |
|
Bowling Green |
1949–2006 |
Bowling Green State University |
Bowling Green, Ohio |
Inactive |
|
Denison |
1949–1985, 1933–2004 |
Denison University |
Granville, Ohio |
Inactive |
|
Bucknell |
1950–2003, 2007–2015, 2020–2022 |
Bucknell University |
Lewisburg, Pennsylvania |
Inactive |
|
Bradley |
December 8, 1951 |
Bradley University |
Peoria, Illinois |
Active |
|
Colorado |
1953–1997, 2019 |
University of Colorado Boulder |
Boulder, Colorado |
Inactive |
|
North Carolina |
April 25, 1953 – 2001; 2005 |
University of North Carolina at Chapel Hill |
Chapel Hill, North Carolina |
Active |
|
Ohio |
December 3, 1955 – 1996; 2000-2020 |
Ohio University |
Athens, Ohio |
Inactive |
|
Western Michigan |
1956–1976, 1990–1997 |
Western Michigan University |
Kalamazoo, Michigan |
Inactive |
|
Kansas State |
November 17, 1956 |
Kansas State University |
Manhattan, Kansas |
Active |
|
Georgia Tech |
October 26, 1957 |
Georgia Tech |
Atlanta, Georgia |
Active |
|
Florida |
December 7, 1958 – 1993; 1999 |
University of Florida |
Gainesville, Florida |
Active |
|
Pacific |
1959–1972, 2005–2011 |
University of the Pacific |
Stockton, California |
Inactive |
|
Ripon |
1959–1985 |
Ripon College |
Ripon, Wisconsin |
Inactive |
|
Wichita |
April 25, 1959 |
Wichita State University |
Wichita, Kansas |
Active |
|
Arizona |
1959–1970 |
University of Arizona |
Tucson, Arizona |
Inactive |
|
Oklahoma State |
1960–1991 |
Oklahoma State University |
Stillwater, Oklahoma |
Inactive |
|
Clarkson |
March 18, 1961 – 2008; 2015 |
Clarkson University |
Potsdam, New York |
Active |
|
Auburn |
1961–1971, 1991-199x? |
Auburn University |
Auburn, Alabama |
Inactive |
|
Florida State |
1961–1967, 1979–199x ?, 201x ? |
Florida State University |
Tallahassee, Florida |
Active |
|
North Dakota |
December 9, 1961 |
University of North Dakota |
Grand Forks, North Dakota |
Active |
|
San Fernando |
1964–1969 |
California State University, Northridge |
Northridge, California |
Inactive |
|
Simpson |
1964–1976 |
Simpson College |
Indianola, Iowa |
Inactive |
|
Davis |
1966–1970 |
University of California, Davis |
Davis, California |
Inactive |
|
Northern Illinois |
May 7, 1966 – 2000; 2010–2020 |
Northern Illinois University |
DeKalb, Illinois |
Inactive |
|
Northern Iowa |
1968–2008 |
University of Northern Iowa |
Cedar Falls, Iowa |
Inactive |
|
San Diego |
May 11, 1968 – 1994; 2000 |
San Diego State University |
San Diego, California |
Active |
|
Creighton |
1969–1996 |
Creighton University |
Omaha, Nebraska |
Inactive |
|
Platteville |
1969–1976 |
University of Wisconsin–Platteville |
Platteville, Wisconsin |
Inactive |
|
Tennessee |
May 17, 1969–1996, May 4, 2024 |
University of Tennessee |
Knoxville, Tennessee |
Active |
|
Arlington |
May 3, 1969 |
University of Texas at Arlington |
Arlington, Texas |
Active |
|
Central Missouri |
1970–1989 |
Central Missouri State University |
Warrensburg, Missouri |
Inactive |
|
Delaware |
1970–1983 2021 |
University of Delaware |
Newark, Delaware |
Colony |
|
East Kentucky |
1970–1984 |
Eastern Kentucky University |
Richmond, Kentucky |
Inactive |
|
Maine |
1970–1993 |
University of Maine |
Orono, Maine |
Inactive |
|
Marquette |
1970–1975 |
Marquette University |
Milwaukee, Wisconsin |
Inactive |
|
Oshkosh |
1970–1977 |
University of Wisconsin–Oshkosh |
Oshkosh, Wisconsin |
Inactive |
|
Cal Poly |
May 2, 1970 – 1975, 1992 |
California Polytechnic State University, San Luis Obispo |
San Luis Obispo, California |
Active |
|
North Dakota State |
May 9, 1970 – 2022 |
North Dakota State University |
Fargo, North Dakota |
Inactive |
|
South Dakota |
1971–2001 |
University of South Dakota |
Vermillion, South Dakota |
Inactive |
|
Southern Illinois |
1971–1980 |
Southern Illinois University |
Carbondale, Illinois |
Inactive |
|
Dayton |
1971–1982 |
University of Dayton |
Dayton, Ohio |
Inactive |
|
Colorado State |
1971–1974, 1981–1988 |
Colorado State University |
Fort Collins, Colorado |
Inactive |
|
Tyler |
1971–1989 |
Tyler Junior College |
Tyler, Texas |
Inactive |
|
SW Texas |
1972–1977 |
Texas State University |
San Marcos, Texas |
Inactive |
|
Maryland |
May 13, 1972 – 1992; 2017–2022 |
University of Maryland, College Park |
College Park, Maryland |
Inactive |
|
Illinois State |
1973–1986; 1990–2000; 2005–October 22, 2017 |
Illinois State University |
Normal, Illinois |
Inactive |
|
Houston |
April 28, 1973–2023 |
University of Houston |
Houston, Texas |
Inactive |
|
Western Illinois |
April 27, 1974 |
Western Illinois University |
Macomb, Illinois |
Active |
|
Wilmington |
1974–1977 |
University of North Carolina Wilmington |
Wilmington, North Carolina |
Inactive |
|
Arkansas |
1975–1994 |
University of Arkansas |
Fayetteville, Arkansas |
Inactive |
|
N.C. State |
April 26, 1977 – 1993; 2004 |
North Carolina State University |
Raleigh, North Carolina |
Inactive |
|
Baylor |
1978–1996 |
Baylor University |
Waco, Texas |
Inactive |
|
Louisiana State |
1979–1983 |
Louisiana State University |
Baton Rouge, Louisiana |
Inactive |
|
Massachusetts |
1980–2011 |
University of Massachusetts, Amherst |
Amherst, Massachusetts |
Inactive |
|
SW Missouri |
1981–1995 |
Missouri State University |
Springfield, Missouri |
Inactive |
|
Virginia Tech |
1983–2002, 2011–2013, January 25, 2025 |
Virginia Tech |
Blacksburg, Virginia |
Active |
|
South Carolina |
April 9, 1983 |
University of South Carolina |
Columbia, South Carolina |
Active |
|
Texas Tech |
1985–1987 |
Texas Tech University |
Lubbock, Texas |
Inactive |
|
Michigan Tech |
May 10, 1986 |
Michigan Technological University |
Houghton, Michigan |
Active |
|
Long Beach |
April 25, 1987 – 1994 |
California State University, Long Beach |
Long Beach, California |
Inactive |
|
Bakersfield |
May 30, 1987 – 1994 |
California State University, Bakersfield |
Bakersfield, California |
Inactive |
|
Santa Barbara |
1988–1996 |
University of California, Santa Barbara |
Santa Barbara, California |
Inactive |
|
Culver-Stockton |
January 23, 1988 |
Culver–Stockton College |
Canton, Missouri |
Active |
|
Northern Colorado |
1989–2004 |
University of Northern Colorado |
Greeley, Colorado |
Inactive |
|
Guelph |
March 11, 1989 |
University of Guelph |
Guelph, Ontario |
Active |
[9] |
Calgary |
March 24, 1990 – 1999 |
University of Calgary |
Calgary, Alberta |
Inactive |
[9] |
McMaster |
November 17, 1990 – 1999 |
McMaster University |
Hamilton, Ontario |
Inactive |
[9] |
Texas A&M |
1991–1996 |
Texas A&M University |
College Station, Texas |
Inactive |
|
Iona |
February 1, 1991 |
Iona College |
New Rochelle, New York |
Active |
|
Arizona State |
1992–1999, 2006–2015 |
Arizona State University |
Tempe, Arizona |
Inactive |
|
Victoria |
May 1, 1993 – 2001 |
University of Victoria |
Victoria, British Columbia |
Inactive |
[9] |
Carthage |
April 23, 1994 |
Carthage College |
Kenosha, Wisconsin |
Active |
|
St. Norbert |
September 24, 1994 |
St. Norbert College |
De Pere, Wisconsin |
Inactive |
|
Albany |
1995–1999 |
University at Albany, SUNY |
Albany, New York |
Inactive |
|
Pace |
1995–2013 |
Pace University |
Pleasantville, New York |
Inactive |
|
Shippensburg |
1995–2003 |
Shippensburg University of Pennsylvania |
Shippensburg, Pennsylvania |
Inactive |
|
Central Florida |
March 25, 1995 - 2025 |
University of Central Florida |
Orlando, Florida |
Inactive |
|
Northern Arizona |
1999–2008 |
Northern Arizona University |
Flagstaff, Arizona |
Inactive |
|
Edwardsville |
2000–2008 |
Southern Illinois University Edwardsville |
Edwardsville, Illinois |
Inactive |
|
Pan American |
2000–2011 |
University of Texas–Pan American |
Edinburg, Texas |
Inactive |
|
N.W. State |
2001–2004 |
Northwestern State University |
Natchitoches, Louisiana |
Inactive |
|
North Florida |
April 20, 2007 |
University of North Florida |
Jacksonville, Florida |
Inactive |
|
Webster |
2009–2012 |
Webster University |
St. Louis, Missouri |
Inactive |
|
Chattanooga |
2010–2015 |
University of Tennessee at Chattanooga |
Chattanooga, Tennessee |
Inactive |
|
Grand Valley |
April 23, 2010 – 2017 |
Grand Valley State University |
Allendale, Michigan |
Inactive |
|
Embry-Riddle |
September 4, 2010 |
Embry–Riddle Aeronautical University |
Daytona Beach, Florida |
Active |
|
Boise |
April 30, 2011 |
Boise State University |
Boise, Idaho |
Active |
|
Elon |
April 21, 2012 |
Elon University |
Elon, North Carolina |
Active |
|
James Madison |
April 27, 2014 |
James Madison University |
Harrisonburg, Virginia |
Active |
|
Christopher Newport |
2015 |
Christopher Newport University |
Newport News, Virginia |
Active |
|
Quinnipiac |
April 22, 2018 |
Quinnipiac University |
Hamden, Connecticut |
Active |
|
Loyola Marymount |
April 7, 2024 |
Loyola Marymount University |
Los Angeles, California |
Active |
|
Villanova |
April 28, 2024 |
Villanova University |
Villanova, Pennsylvania |
Active |
|