| Charge |
Charter date and range |
Institution |
Location |
Status |
References |
| Alpha |
October 31, 1847 – 1867; February 17, 1923 |
Union College |
Schenectady, New York |
Active |
|
| Beta Proteron |
1849–1851 |
Ballston Law College |
Ballston Spa, New York |
Inactive |
|
| Gamma |
1852 – 1857; 1990 – 1995 |
University of Vermont |
Burlington, Vermont |
Inactive |
|
| Delta |
1853 – 1871; 1883 – 1896 |
Rensselaer Polytechnic Institute |
Troy, New York |
Inactive |
|
| Epsilon |
1853 – 1861; 1871 – 1872; 1904 – 2012; January 27, 2024 |
College of William & Mary |
Williamsburg, Virginia |
Active |
|
| Zeta |
1853 – 1877; 1887 – 1971; 1975 – 2016 |
Brown University |
Providence, Rhode Island |
Inactive |
|
| Eta |
1854 – 1863; 1872 – 1999 |
Bowdoin College |
Brunswick, Maine |
Inactive |
|
| Theta |
1854 – 1861; 1870 – 1898 |
Kenyon College |
Gambier, Ohio |
Inactive |
|
| Iota |
1856 – 1861; 1885 – 1889; 1892 – 1916; 2005 – 2009 |
Harvard University |
Cambridge, Massachusetts |
Inactive |
|
| Kappa |
1856 – 2017 |
Tufts University |
Medford and Somerville, Massachusetts |
Inactive |
|
| Lambda Graduate |
1856 – 1857 |
|
Manhattan, New York |
Inactive |
|
| Mu |
1856 – 1860 |
University of North Carolina at Chapel Hill |
Chapel Hill, North Carolina |
Inactive |
|
| Nu |
1857 – 1860; 1873 – 1881; June 11, 1910 |
University of Virginia |
Charlottesville, Virginia |
Active |
|
| Xi |
June 29, 1857 – 1996; January 22, 2011 |
Hobart and William Smith Colleges |
Geneva, New York |
Active |
|
| Omicron |
1857 – 1863 |
Wesleyan University |
Middletown, Connecticut |
Inactive |
|
| Pi |
1858 – 1872 |
Washington & Jefferson College |
Washington, Pennsylvania |
Inactive |
|
| Rho Proteron |
1859 – 1861; February 29, 2008 |
University of South Carolina |
Columbia, South Carolina |
Active |
|
| Sigma |
1861 – 1876; 1881 – 1896 |
Dickinson College |
Carlisle, Pennsylvania |
Inactive |
|
| Tau |
1863 – 1867; 1984 – 1990 |
Princeton University |
Princeton, New Jersey |
Inactive |
|
| Upsilon |
1865 – 1871; 1968 – 1977 |
Bucknell University |
Lewisburg, Pennsylvania |
Inactive |
|
| Phi |
1867 – 1886; 1889 – 2001 |
Lafayette College |
Easton, Pennsylvania |
Inactive |
|
| Chi |
1867 – 1880; 1892 – 1996; 2002 – 2009 |
University of Rochester |
Rochester, New York |
Inactive |
|
| Psi |
1868 – 2015 |
Hamilton College |
Clinton, New York |
Inactive |
|
| Omicron Deuteron |
September 28, 1869 |
Dartmouth College |
Hanover, New Hampshire |
Active |
|
| Rho |
1869 – 1872 |
Washington and Lee University |
Lexington, Virginia |
Inactive |
|
| Beta |
January 11, 1870 |
Cornell University |
Ithaca, New York |
Suspended |
|
| Lambda |
1877 – 1912 |
Boston University |
Boston, Massachusetts |
Inactive |
|
| Omega |
|
|
|
Memorial |
|
| Upsilon Deuteron |
May 24, 1879 – 1882; April 26, 1992 |
Wabash College |
Crawfordsville, Indiana |
Active |
|
| Pi Deuteron |
1881 – 1931 |
City University of New York |
New York City, New York |
Inactive |
|
| Rho Deuteron |
1883 – 1929 |
Columbia University |
New York City, New York |
Inactive |
|
| Nu Deuteron |
1884 – 1992; 1997 – 2004 |
Lehigh University |
Bethlehem, Pennsylvania |
Inactive |
|
| Mu Deuteron |
1885 – 1969; 1986 – 2006 |
Amherst College |
Amherst, Massachusetts |
Inactive |
|
| Epsilon Deuteron |
1887 – 1900 |
Yale University |
New Haven, Connecticut |
Inactive |
|
| Gamma Deuteron |
December 13, 1889 – 1997; March 21, 2009 |
University of Michigan |
Ann Arbor, Michigan |
Active |
|
| Theta Deuteron |
March 21, 1890 – 1892; June 2, 1906 |
Massachusetts Institute of Technology |
Cambridge, Massachusetts |
Active |
|
| Iota Deuteron |
1891 – 1966 |
Williams College |
Williamstown, Massachusetts |
Inactive |
|
| Tau Deuteron |
1892 – 1984 |
University of Minnesota |
Minneapolis, Minnesota |
Inactive |
|
| Sigma Deuteron |
May 15, 1895 |
University of Wisconsin–Madison |
Madison, Wisconsin |
Active |
|
| Chi Deuteron |
1896 – 1956; 1987 – 2013 |
George Washington University |
Washington, D.C. |
Inactive |
|
| Delta Deuteron |
April 20, 1900 |
University of California, Berkeley |
Berkeley, California |
Active |
|
| Zeta Deuteron |
1901 – 1972 |
McGill University |
Montreal, Quebec |
Inactive |
|
| Eta Deuteron |
April 25, 1903 |
Stanford University |
Stanford, California |
Suspended |
|
| Kappa Deuteron |
1908 – 1970; 1982 – 1999 |
University of Illinois at Urbana-Champaign |
Urbana, Illinois |
Inactive |
|
| Lambda Deuteron |
December 21, 1912 |
University of Toronto |
Toronto, Ontario, Canada |
Active |
|
| Xi Deuteron |
January 4, 1913 |
University of Washington |
Seattle, Washington |
Active |
|
| Phi Deuteron |
1915 – 1934 |
University of Pennsylvania |
Philadelphia, Pennsylvania |
Inactive |
|
| Beta Deuteron |
December 13, 1919 |
Iowa State University |
Ames, Iowa |
Active |
|
| Psi Deuteron |
June 8, 1929 – 2003; February 20, 2010 |
University of California, Los Angeles |
Los Angeles, California |
Active |
|
| Kappa Triton |
1951 – 1989 |
Northwestern University |
Evanston, Illinois |
Inactive |
|
| Sigma Triton |
May 22, 1954 |
Pennsylvania State University |
University Park, Pennsylvania |
Active |
|
| Epsilon Triton |
December 2, 1961 – 1994 ; April 26, 2008 |
Arizona State University |
Tempe, Arizona |
Active |
|
| Omicron Triton |
1963 – 2000; November 12, 2022 |
University of Rhode Island |
Kingston, Rhode Island |
Active |
|
| Gamma Triton |
April 18, 1964 |
Michigan State University |
East Lansing, Michigan |
Active |
|
| Psi Triton |
1968 – 1980; |
University of California, Santa Barbara |
Santa Barbara, California |
Inactive |
|
| Zeta Triton |
1968 – 1970 |
University of Calgary |
Calgary, Alberta, Canada |
Inactive |
|
| Nu Triton |
November 15, 1970 |
Virginia Tech |
Blacksburg, Virginia |
Active |
|
| Rho Triton |
November 15, 1970 – 2002; March 17, 2018 |
Virginia Commonwealth University |
Richmond, Virginia |
Active |
|
| Phi Proteron |
1972 – 1973 |
University of Central Florida |
Orange County, Florida |
Inactive |
|
| Pi Triton |
1972 – 1979 |
California University of Pennsylvania |
California, Pennsylvania |
Inactive |
|
| Beta Triton |
1978 – 1981 |
Lake Forest College |
Lake Forest, Illinois |
Inactive |
|
| Delta Triton |
1990 – 2005 |
Northeastern University |
Boston, Massachusetts |
Inactive |
|
| Eta Triton |
1994 – 2005 |
Nova Southeastern University |
Fort Lauderdale-Davie, Florida |
Inactive |
|
| Xi Triton |
September 21, 1996 – 1999; April 6, 2013 |
State University of New York at Albany |
Albany, New York |
Active |
|
| Mu Triton |
March 27, 1999 |
University of North Carolina at Greensboro |
Greensboro, North Carolina |
Active |
|
| Chi Triton |
2000 – 2008 |
Merrimack College |
North Andover, Massachusetts |
Inactive |
|
| Iota Triton |
August 6, 2005 |
University of Massachusetts Dartmouth |
Dartmouth, Massachusetts |
Active |
|
| Theta Triton |
April 28, 2007 - 2022 |
Binghamton University |
Binghamton, New York |
Inactive |
|
| Tau Triton |
April 19, 2008 |
Marist College |
Poughkeepsie, New York |
Active |
|
| Lambda Triton |
2008 – 2021 |
Rutgers University |
New Jersey |
Inactive |
|
| Upsilon Triton |
2011 – 2015 |
Indiana University Bloomington |
Bloomington, Indiana |
Inactive |
|
| Tau Tetraton |
February 22, 2015 |
Johnson & Wales University |
Providence, Rhode Island |
Active |
|
| Psi Tetraton |
February 11, 2017 |
University of Arizona |
Tucson, Arizona |
Active |
|