| Chapter | Charter date and range | Institution | City | State or province | Status | References |
| Alpha | October 19, 1850–1994; 1997–2012 | University of Pennsylvania | Philadelphia | Pennsylvania | Inactive | |
| Beta | 1853–1876; 1983–2023 | Princeton University | Princeton | New Jersey | Inactive | |
| Gamma | 1853–1885 | Lafayette College | Easton | Pennsylvania | Inactive | |
| Delta | 1854–2006 | Washington & Jefferson College | Washington | Pennsylvania | Inactive | [a] |
| Epsilon | 1854–1877; 1894–1984; 1989–2009 | Dickinson College | Carlisle | Pennsylvania | Inactive | [b] |
| Zeta | 1854 | Franklin & Marshall College | Lancaster | Pennsylvania | Active | |
| Eta | 1854–1861; 1872–2002 | University of Virginia | Charlottesville | Virginia | Inactive | |
Theta (1) (see Theta (2)) | 1855–1861 | Centenary College | Shreveport | Louisiana | Inactive, Reassigned | [c] |
| Iota | 1855–1870; 1904–1934 | Columbia University | New York City | New York | Inactive | |
Kappa (1) (see Kappa (2) and (3)) | 1856–1861 | Emory and Henry College | Emory | Virginia | Inactive, Reassigned | [d] |
| Lambda | 1855–1861; 1877–1894; 1926–1980; 1986–1998 | University of North Carolina at Chapel Hill | Chapel Hill | North Carolina | Inactive | |
| Mu | 1858–1861; 1893–1895; 1900 | Tulane University | New Orleans | Louisiana | Active | |
Nu (1) (see Nu (2)) | 1859–1861 | Cumberland University | Lebanon | Tennessee | Inactive, Reassigned | [e] |
| Xi | 1859–1861 | University of Mississippi | Oxford | Mississippi | Inactive | [f] |
Omicron (1) (see Omicron (2)) | 1860–1862 | Centre College | Danville | Kentucky | Inactive, Reassigned | |
| Pi | 1865–1867 | Harvard University | Cambridge | Massachusetts | Inactive | |
Rho (1) (see Rho (2)) | 1865–1866 | Austin College | Sherman | Texas | Inactive, Reassigned | |
Sigma (1) (see Sigma (2)) | 1870–1877; 1883–1885 | Lehigh University | Bethlehem | Pennsylvania | Inactive, Reassigned | |
| Tau | 1872–2001; 2012–2022 | Randolph–Macon College | Ashland | Virginia | Inactive | |
| Upsilon | 1872–2001 | Northwestern University | Evanston | Illinois | Inactive | |
| Phi | 1873–1877; 1889–1995 | University of Richmond | Richmond | Virginia | Inactive | |
| Chi | 1873–1875 | Racine College | Richmond | Virginia | Inactive | [g] |
Psi (1) (see Psi (2)) | 1876–1880 | Long Island Medical College | Brooklyn | New York | Inactive, Reassigned | [h][4] |
| Omega | 1884–1890 | Haverford College | Richmond | Virginia | Inactive | [i] |
Psi (2) (see Psi (1)) | 1890–2001; 2009-2025 | Pennsylvania State University | University Park | Pennsylvania | Inactive | [j] |
Rho (2) (see Rho (1)) | 1892–1894; 1902–2017; 2024 ? | University of Illinois Urbana-Champaign | Champaign–Urbana | Illinois | Colony | |
Kappa (2) (see Kappa (1) and (3)) | 1893–1895 | Lake Forest College | Lake Forest | Illinois | Inactive, Reassigned | |
| Alpha Alpha | 1893–1896; 1898–2012 | Washington and Lee University | Lexington | Virginia | Inactive | [k] |
| Alpha Beta | 1895–1898; 1927 | University of Toronto | Toronto | Ontario, Canada | Active | [l] |
| Alpha Gamma | 1896–1993; 2024 ? | West Virginia University | Morgantown | West Virginia | Inactive | [m] |
| Alpha Delta | 1898 | University of Maine | Orono | Maine | Active | [n] |
| Alpha Epsilon | 1898 | Illinois Institute of Technology | Chicago | Illinois | Active | [o] |
| Alpha Zeta | 1899–1995 | University of Maryland | College Park | Maryland | Inactive | |
Alpha Eta (1) (see Alpha Eta (2)) | 1901–1905 | College of Charleston | Charleston | South Carolina | Inactive, Reassigned | |
| Alpha Theta | 1901–1939; 1947–1959; 1988–2002; 2008 | University of Wisconsin–Madison | Madison | Wisconsin | Active | |
| Alpha Iota | 1902–2010 | Vanderbilt University | Nashville | Tennessee | Inactive | [p] |
| Alpha Kappa | 1903–1995; 2007 | University of Alabama | Tuscaloosa | Alabama | Active | |
| Alpha Lambda | 1903–1993; 2021 | University of California, Berkeley | Berkeley | California | Active | [q] |
| Alpha Mu | 1903 | Massachusetts Institute of Technology | Cambridge | Massachusetts | Active | |
| Alpha Nu | 1904 | Georgia Tech | Atlanta | Georgia | Active | |
| Alpha Xi | 1905 | Purdue University | West Lafayette | Indiana | Active | |
| Alpha Omicron | 1905–1943; 1948–1963 | University of Michigan | Ann Arbor | Michigan | Inactive | |
| Alpha Pi | 1906–1943 | University of Chicago | Chicago | Illinois | Inactive | |
| Alpha Rho | 1911–1991 | Cornell University | Ithaca | New York | Inactive | [r] |
| Alpha Sigma | 1915–1943; 2013–2019 | University of Minnesota | Minneapolis | Minnesota | Inactive | [s] |
| Alpha Tau | 1915–1972 | Stanford University | Stanford | California | Inactive | [t] |
| Alpha Upsilon | 1919 | University of Washington | Seattle | Washington | Active | [u] |
| Alpha Phi | 1920–1990 | University of Iowa | Iowa City | Iowa | Inactive | [v] |
| Alpha Chi | 1925–1984; 1991–2000 | Ohio State University | Columbus | Ohio | Inactive | [w] |
| Alpha Psi | 1926–2003; 2016–2022 | University of California, Los Angeles | Los Angeles | California | Inactive | [x] |
Kappa (3) (see Kappa (1) and (2)) | 1928–1935 | Dartmouth College | Hanover | New Hampshire | Inactive | [y] |
Omicron (2) (see Omicron (1)) | 1929–2018 | University of Oklahoma | Norman | Oklahoma | Inactive | [z] |
Alpha Eta (2) (see Alpha Eta (1)) | 1929–1989; 2009 | University of South Carolina | Columbia | South Carolina | Active | [aa] |
Nu (2) (see Nu (1)) | 1936–1972; 1974–1994 | Duke University | Durham | North Carolina | Inactive | [ab] |
| Alpha Omega | 1936–1953; 1955–1976; 1977–1984; 2023 ? | University of British Columbia | Vancouver | British Columbia, Canada | Colony ? | [ac] |
Theta (2) (see Theta (1)) | 1937–2021 | Kenyon College | Gambier | Ohio | Inactive | [ad] |
Sigma (2) (see Sigma (1)) | 1941–1976; 1984–2000; 2014 | University of Texas at Austin | Austin | Texas | Active | |
| Beta Alpha | 1948–1964 | University of Oregon | Eugene | Oregon | Inactive | |
| Beta Beta | 1949–1984 | University of Kansas | Lawrence | Kansas | Inactive | |
| Beta Gamma | 1949–2013 | University of Denver | Denver | Colorado | Inactive | |
| Beta Delta | 1949–1971; 199x ?–1997; 2011 | Michigan State University | East Lansing | Michigan | Active | [ae] |
| Beta Epsilon | 1949–1975 | Oregon State University | Corvallis | Oregon | Inactive | |
| Beta Zeta | 1953–1975; 199x ?–2002 | Ohio University | Athens | Ohio | Inactive | [af] |
| Beta Eta | 1955–2017; 2023 ? | University of North Texas | Denton | Texas | Colony | [ag] |
| Beta Theta | 1955–2016; 2019 | Texas Christian University | Fort Worth | Texas | Active | |
| Beta Iota | 1959–2006 | St. Lawrence University | Canton (village) | New York | Inactive | [ah] |
| Beta Kappa | 1964–1983 | Drury University | Springfield | Missouri | Inactive | [ai] |
| Beta Lambda | 1968 | Northern Illinois University | DeKalb | Illinois | Active | [aj] |
| Beta Mu | 1968–2002; 2014 | University of South Alabama | Mobile | Alabama | Active | |
| Beta Nu | 1969–2013 | Adrian College | Adrian | Michigan | Inactive | [ak] |
| Beta Xi | 1969–1979; 19xx ?–2002; 2016 | University of New Orleans | New Orleans | Louisiana | Active | |
| Beta Omicron | 1973–2006 | Virginia Tech | Blacksburg | Virginia | Colony | [al] |
| Beta Pi | 1975–1979; 198x ?–1990 | Louisiana Tech University | Ruston | Louisiana | Inactive | |
| Beta Rho | 1978 | University of California, Riverside | Riverside | California | Active | |
| Beta Sigma | 1978–1980 | Salisbury University | Salisbury | Maryland | Inactive | |
| Beta Tau | 1979–2006 | Towson University | Towson | Maryland | Inactive | |
| Beta Upsilon | 1979–2013 | State University of New York at Potsdam | Potsdam | New York | Inactive | |
| Beta Phi | 1981–1991 | State University of New York at Geneseo | Geneseo | New York | Inactive | [am] |
| Beta Chi | 1981–1998; 2006 | Clarkson University | Potsdam | New York | Active | |
| Beta Psi | 1982–2009; 2017 | Washington State University | Pullman | Washington | Active | |
| Beta Omega | 1982 | Radford University | Radford | Virginia | Active | |
| Gamma Alpha | 1983–1995 | University at Buffalo | Buffalo | New York | Inactive | |
| Gamma Beta | 1983–1999 | Drexel University | Philadelphia | Pennsylvania | Inactive | |
| Gamma Gamma | 1984 | Carthage College | Kenosha | Wisconsin | Active | [an] |
| Gamma Delta | 1985–1992 | Texas A&M University | College Station | Texas | Inactive | |
| Gamma Epsilon | 1986–20xx ? | Seton Hall University | South Orange | New Jersey | Inactive | |
| Gamma Zeta | 1987–200x ? | PennWest California | California (borough) | Pennsylvania | Inactive | [ao] |
| Gamma Eta | 1987–2005 | State University of New York at Fredonia | Fredonia | New York | Inactive | |
| Gamma Theta | 1987–2010 | West Chester University | West Chester | Pennsylvania | Inactive | |
| Gamma Iota | 1988–200x ? | Millersville University | Millersville | Pennsylvania | Inactive | [ap] |
| Gamma Kappa | 1987–1993 | State University of New York at Oneonta | Oneonta | New York | Inactive | |
| Gamma Lambda | 1987–20xx ? | University of North Carolina at Charlotte | Charlotte | North Carolina | Inactive | [aq] |
| Gamma Mu | 1988–1992; 2021 | Texas State University | San Marcos | Texas | Active | |
| Gamma Nu | 1989–1996 | University at Albany, SUNY | Albany | New York | Inactive | |
| Gamma Xi | 1989–2002; 2006–2022 | George Mason University | Fairfax County | Virginia | Inactive | |
| Gamma Omicron | 1990–2000 | Rutgers University–Camden | Camden | New Jersey | Inactive | |
| Gamma Pi | 1990–2015 | Wesley College | Dover | Delaware | Inactive | [ar] |
| Gamma Rho | 1990–2005 | Bryant University | Smithfield | Rhode Island | Inactive | [as] |
| Gamma Sigma | 1990–2019 | Rutgers University–New Brunswick | New Brunswick | New Jersey | Inactive | [at] |
| Gamma Tau | 1990–2006 | University of New Hampshire | Durham | New Hampshire | Inactive | |
| Gamma Upsilon | 1992 | University of Massachusetts Lowell | Lowell | Massachusetts | Active | |
| Gamma Phi | 1992–1993 | Saint Leo University | St. Leo | Florida | Inactive | [au] |
| Gamma Chi | 1992–20xx ? | Ithaca College | Ithaca | New York | Inactive | |
| Gamma Psi | 1993–2005 | Johnson & Wales University | Providence | Rhode Island | Inactive | |
| Gamma Omega | 1993–20xx ? | University of Southern Maine | Gorham | Maine | Inactive | |
| Delta Alpha | 1994–2005 | Kutztown University of Pennsylvania | Kutztown | Pennsylvania | Inactive | [av] |
| Delta Beta | 1994–1996 | University of Massachusetts Amherst | Amherst | Massachusetts | Inactive | |
| Delta Gamma | 1996–2008; 2017 | Rowan University | Glassboro | New Jersey | Active | |
| Delta Delta | 1996–2002 | Florida International University | University Park | Florida | Inactive | |
| Delta Epsilon Colony | c.1997–199x ? | Shenandoah University | Winchester | Virginia | Inactive Colony | [aw] |
| Delta Zeta Colony | c.1997–199x ? | University of Colorado at Colorado Springs | Colorado Springs | Colorado | Inactive Colony | [aw] |
| Delta Eta | 1998–201x ?; 2018–2024 | McDaniel College | Westminster | Maryland | Inactive | [ax] |
| Delta Theta Colony | c.1999–200x ? | Western New England University | Springfield | Massachusetts | Inactive Colony | [aw] |
| Delta Iota | 1999–20xx ? | Marist College | Poughkeepsie | New York | Inactive | |
| Delta Kappa Colony | c.1999–200x ? | Marshall University | Huntington | West Virginia | Inactive Colony | [aw] |
| Delta Lambda | 1999–2005 | Niagara University | Lewiston | New York | Inactive | |
| Delta Mu | 2000–2005 | Mansfield University of Pennsylvania | Mansfield | Pennsylvania | Inactive | |
| Delta Nu | 2000–2006 | King's College | Wilkes-Barre | Pennsylvania | Inactive | |
| Delta Xi | 2000–200x ? | PennWest Edenboro | Edinboro | Pennsylvania | Inactive | [ao] |
| Delta Omicron | 2001–2023 | Ramapo College | Mahwah | New Jersey | Inactive | |
| Delta Pi | 2002–2021 | Indiana University Bloomington | Bloomington | Indiana | Inactive | |
| Delta Rho | 2002 | Ursinus College | Collegeville | Pennsylvania | Active | |
| Delta Sigma | 2005–2022 | University of Maryland, Baltimore County | Catonsville | Maryland | Inactive | [ay] |
| Delta Tau | 2006–20xx ? | DePaul University | Chicago | Illinois | Inactive | |
| Delta Upsilon | 2010–2017 | Virginia Commonwealth University | Richmond | Virginia | Inactive | |
| Delta Phi | 2011–2017 | New York University | New York City | New York | Inactive | |
| Delta Chi | 2012–2015 | Queens University of Charlotte | Charlotte | North Carolina | Inactive | |
| Delta Psi | 2013–2019 | Temple University | Philadelphia | Pennsylvania | Inactive | |
| Delta Omega | 2014–2018 | University of Hartford | West Hartford | Connecticut | Inactive | |
| Epsilon Alpha | 2016 | Tarleton State University | Stephenville | Texas | Active | |
| Epsilon Beta | 2018 | Oklahoma State University–Stillwater | Stillwater | Oklahoma | Active | |
| Epsilon Gamma | 2022 | University of Delaware | Newark | Delaware | Active | |
| Epsilon Delta | 2022 | University of Colorado Boulder | Boulder | Colorado | Active | |
| Iowa State colony | 2023 | Iowa State University | Ames | Iowa | Active | |
| Houston colony | 2023 | University of Houston | Houston | Texas | Active | |