| Chapter | Charter date and range | Institution | Location | Status | |
| Alpha | – 1858; September 13, 1892 – 2012; 2017 | Miami University | Oxford, Ohio | Active | |
| Gamma | – 1884; 1888–2015 | Ohio Wesleyan University | Delaware, Ohio | Inactive | |
| Epsilon | – 1857 | University of Nashville | Nashville, Tennessee | Reissued | |
| Eta | – 1861; January 1, 1866 – 1912; 1926 | University of Mississippi | Oxford, Mississippi | Active | |
| Iota | – 1869 | Jefferson College | Canonsburg, Pennsylvania | Inactive | |
| Lambda | – 2025 | Indiana University Bloomington | Bloomington, Indiana | Inactive | |
| Nu | – 1863 | Washington College | Washington, Pennsylvania | Reissued | |
| Xi | | DePauw University | Greencastle, Indiana | Active | |
| Omicron | – 2004 | Dickinson College | Carlisle, Pennsylvania | Inactive | |
| Pi | – 1861 | Erskine College | Due West, South Carolina | Inactive | |
| Sigma | – 1861 | La Grange Synodical College | La Grange, Tennessee | Inactive | |
Rho
| – 1861 | University of Virginia | Charlottesville, Virginia | Reissued | |
| Theta | – 2005; 2009 | Gettysburg College | Gettysburg, Pennsylvania | Active | |
| Kappa | – 1874; 1879 | Bucknell University | Lewisburg, Pennsylvania | Active | |
| Epsilon | – 1880; December 22, 1892 – January 8, 1972; January 5, 1973 – 1998; 2007 | Washington University | Washington, D.C. | Active | |
| Rho | | Butler University | Indianapolis, Indiana | Active | |
| Upsilon | – 1876 | Polytechnic College of Pennsylvania | Philadelphia, Pennsylvania | Inactive | |
| Zeta | | Washington and Lee University | Lexington, Virginia | Active | |
| Psi | | University of Virginia | Charlottesville, Virginia | Active | |
| Phi | – 1887; December 7, 1899 – February 15, 1965; April 24, 1982 – 1997 | Lafayette College | Easton, Pennsylvania | Inactive | |
| Mu | – 1876; 1880–2000; 2004 | Denison University | Granville, Ohio | Active | |
| Omega | – 2000; 2005–2022 | Northwestern University | Evanston, Illinois | Inactive | |
| Sigma | –1870; June 17, 1875 – 1882; 2010 | Princeton University | Princeton, New Jersey | Active | |
| Chi | – 1918; 1936 | Hanover College | Hanover, Indiana | Active | |
| Sigma Sigma | – 1889; September 1890–1902; 1931 – November 5, 1977; 1984 | Hampden–Sydney College | Hampden Sydney, Virginia | Active | |
| Tau | – 1890; March 31, 1896 – 1901; 1923 | Roanoke College | Salem, Virginia | Active | |
| Pi | – 1885; 1984 | Samford University | Homewood, Alabama | Active | |
| Delta | – 1885; June 18, 1910 – 1990; 1996 | University of Georgia | Athens, Georgia | Active | |
| Nu | –1880, 2014 | Cumberland University | Lebanon, Tennessee | Active | |
| Beta | – 1893; September 11, 1899 – 1913 | College of Wooster | Wooster, Ohio | Inactive | |
| Beta Beta | – 1874 | Mississippi College | Clinton, Mississippi | Inactive | |
| Gamma Gamma | – 1901 | Randolph–Macon College | Ashland, Virginia | Inactive | |
| Epsilon Epsilon | – 1878 | Monmouth College | Monmouth, Illinois | Inactive | |
| Delta Delta | | Purdue University | Lafayette, Indiana | Active | |
| Phi Phi | – 1878; 1884–1887; May 9, 1896 | University of Pennsylvania | Philadelphia, Pennsylvania | Active | |
| Iota Iota | – 1877; 1914 | University of Alabama | Tuscaloosa, Alabama | Active | |
| Zeta Zeta | | Centre College | Danville, Kentucky | Active | |
Psi Psi
| 1874–1875 | University of Michigan | Ann Arbor, Michigan | Inactive | |
Theta Theta
| – 2003; 2009 | University of Michigan | Ann Arbor, Michigan | Active | |
| Chi Chi | –1882, 1993–2024 | Birmingham–Southern College | Birmingham, Alabama | Inactive | |
Alpha Beta
| – 1881 | Richmond College | Richmond, Virginia | Inactive | |
| Delta Chi | –1894; May 20, 1909 | Wabash College | Crawfordsville, Indiana | Active | |
| Kappa Kappa | – 1885; December 1891 | University of Illinois Urbana-Champaign | Champaign, Illinois | Active | |
| Zeta Psi | | University of Cincinnati | Cincinnati, Ohio | Active | |
| Alpha Eta | – 1889; May 14, 1902 – 1991; 2000–2022 | University of Iowa | Iowa City, Iowa | Inactive | |
| Alpha Theta | | Massachusetts Institute of Technology | Cambridge, Massachusetts | Active | |
| Alpha Gamma | | Ohio State University | Columbus, Ohio | Active | |
| Alpha Zeta | | Beloit College | Beloit, Wisconsin | Active | |
| Chi Psi | 1882–1883 | University of Louisiana at New Orleans | New Orleans, Louisiana | Inactive | |
| Alpha Epsilon | – 2008; 2013 | University of Nebraska–Lincoln | Lincoln, Nebraska | Active | |
| Alpha Delta | – 1891 | Stevens Institute of Technology | Hoboken, New Jersey | Inactive | |
| Alpha Iota | – 2021 | Illinois Wesleyan University | Bloomington, Illinois | Inactive | |
| Alpha Kappa | – 1886; 1980 | Hillsdale College | Hillsdale, Michigan | Active | |
| Alpha Lambda | – January 30, 2020 | University of Wisconsin–Madison | Madison, Wisconsin | Inactive | |
| Alpha Xi | – July 2022 | University of Kansas | Lawrence, Kansas | Inactive | |
| Alpha Nu | – 1888; 1890–2004; 2009–2025 | University of Texas at Austin | Austin, Texas | Inactive | |
| Alpha Mu | – 1885 | Virginia Military Institute | Lexington, Virginia | Inactive | |
| Alpha Omicron | | Tulane University | New Orleans, Louisiana | Active | |
| Alpha Pi | – April 2, 1980; November 8, 1980 | Albion College | Albion, Michigan | Active | |
| Alpha Beta | – January 6, 1968; February 19, 1972 – May 19, 1979; January 12, 1980 | University of California, Berkeley | Berkeley, California | Active | |
| Alpha Rho | – 1891; September 1893–1989; 1993–2017 | Lehigh University | Bethlehem, Pennsylvania | Inactive | |
| Alpha Sigma | | University of Minnesota | Minneapolis, Minnesota | Active | |
| Alpha Tau | – 1900; 1913 | University of North Carolina at Chapel Hill | Chapel Hill, North Carolina | Active | |
| Alpha Upsilon | – 1994; 2000 | University of Southern California | Los Angeles, California | Active | |
| Alpha Phi | | Cornell University | Ithaca, New York | Active | |
| Alpha Chi | – January 22, 2021 | Pennsylvania State University | University Park, Pennsylvania | Inactive | |
| Alpha Omega | – April 7, 1965; April 1966 – January 21, 1967; April 7, 1974 – 2018; 2023 | Stanford University | Stanford, California | Active | |
| Alpha Psi | – 1991; 1996–2022 | Vanderbilt University | Nashville, Tennessee | Inactive | |
| Alpha Alpha | – 2006; April 9, 2016 – 2024 | Hobart College | Geneva, New York | Inactive | |
| Eta Eta | – May 1, 1960 | Dartmouth College | Hanover, New Hampshire | Inactive | |
| Lambda Lambda | | University of Kentucky | Lexington, Kentucky | Active | |
| Nu Nu | – October 2, 1964; 1982 | Columbia University | New York City, New York | Active | |
| Mu Mu | | West Virginia University | Morgantown, West Virginia | Active | |
| Xi Xi | – 2002; 2007–2019; 2024 | University of Missouri | Columbia, Missouri | Active | |
| Omicron Omicron | – 1952; 2011 | University of Chicago | Chicago, Illinois | Active | |
| Pi Pi | | | | Unassigned | |
| Rho Rho | | University of Maine | Orono, Maine | Active | |
| Tau Tau | – 2021 | Washington University in St. Louis | St. Louis, Missouri | Inactive | |
| Upsilon Upsilon | – 2024 | University of Washington | Seattle, Washington | Inactive | |
| Psi Psi | – January 11, 1957; December 8, 1963 – 1998; 2008–2021 | Syracuse University | Syracuse, New York | Inactive | |
| Beta Gamma | | Colorado College | Colorado Springs, Colorado | Active | |
| Omega Omega | | University of Arkansas | Fayetteville, Arkansas | Active | |
| Beta Delta | | University of Montana | Missoula, Montana | Active | |
| Beta Epsilon | | University of Utah | Salt Lake City, Utah | Active | |
| Beta Zeta | | University of North Dakota | Grand Forks, North Dakota | Active | |
| Beta Eta | – January 8, 1972; March 29, 1973 | Case Western Reserve University | Cleveland, Ohio | Active | |
| Beta Theta | – 2018 | University of Pittsburgh | Pittsburgh, Pennsylvania | Inactive | |
| Beta Iota | – 1996; 2000 | University of Oregon | Eugene, Oregon | Active | |
| Beta Kappa | – 2004; 2008 | University of Oklahoma | Norman, Oklahoma | Active | |
| Beta Lambda | | Duke University | Durham, North Carolina | Active | |
| Beta Mu | – October 23, 1971; 1981–1999; 2001–20xx ?; October 2018 | University of Colorado Boulder | Boulder, Colorado | Active | |
| Beta Nu | – December 14, 1965; April 14, 1973 – 2019 | Brown University | Providence, Rhode Island | Inactive | |
| Beta Xi | – 2001, 2008 | University of New Mexico | Albuquerque, New Mexico | Active | |
| Beta Omicron | – 2018 | Iowa State University | Ames, Iowa | Inactive | |
| Beta Pi | | Oregon State University | Corvallis, Oregon | Active | |
| Beta Rho | | Montana State University | Bozeman, Montana | Active | |
| Beta Sigma | 1917–2017, 2021 | University of Tennessee | Knoxville, Tennessee | Active | |
| Beta Tau | 1919–2020 | Colorado State University | Fort Collins, Colorado | Inactive | |
| Beta Upsilon | | Washington State University | Pullman, Washington | Active | |
| Beta Phi | 1919 – August 12, 1972; January 15, 1977 – 2003; 2008 | University of Arizona | Tucson, Arizona | Active | |
| Beta Chi | 1921 | Emory University | Atlanta, Georgia | Active | |
| Beta Psi | 1922 | Georgia Tech | Atlanta, Georgia | Active | |
| Beta Omega | | Toronto Metropolitan University | Toronto, Ontario, Canada | Active | |
| Beta Omega | | University of Toronto | Toronto, Ontario, Canada | Active | |
| Gamma Alpha | | | | Unassigned | |
| Gamma Beta | | | | Unassigned | |
| Gamma Delta | | Oklahoma State University–Stillwater | Stillwater, Oklahoma | Active | |
| Gamma Epsilon | 1923 – December 1967; April 19, 1970 | Whitman College | Walla Walla, Washington | Active | |
| Gamma Zeta | 1923 | Union College | Schenectady, New York | Active | |
| Gamma Eta | 1924 | University of Idaho | Moscow, Idaho | Active | |
| Gamma Theta | 1924 | University of Florida | Gainesville, Florida | Active | |
| Gamma Iota | 1925–2015, 2021 | Louisiana State University | Baton Rouge, Louisiana | Active | |
| Gamma Kappa | 1926 | Utah State University | Logan, Utah | Active | |
| Gamma Lambda | | McGill University | Montreal, Quebec, Canada | Active | |
| Gamma Mu | 1928 – June 21, 1959 | Wesleyan University | Middletown, Connecticut | Inactive | |
| Gamma Nu | 1929–2016, 2022 | University of South Carolina | Columbia, South Carolina | Active | |
| Gamma Xi | | University of Wyoming | Laramie, Wyoming | Active | |
| Gamma Omicron | 1930 – April 10, 1963; September 26, 1971 – October 16, 2014 | Colgate University | Hamilton, New York | Inactive | |
| Gamma Pi | 1932 | University of Rochester | Rochester, New York | Active | |
| Gamma Rho | | Dalhousie University | Halifax, Nova Scotia, Canada | Active | |
| Gamma Rho | | Saint Mary's University | Halifax, Nova Scotia, Canada | Active | |
| Gamma Sigma | 1934–2013, 2019 | Auburn University | Auburn, Alabama | Active | |
| Gamma Tau | | North Dakota State University | Fargo, North Dakota | Active | |
| Gamma Upsilon | 1938 | Mississippi State University | Starkville, Mississippi | Active | |
| Gamma Phi | 1942 | University of Miami | Coral Gables, Florida | Active | |
| Gamma Chi | – 2001; September 27, 2009 | University of Maryland, College Park | College Park, Maryland | Active | |
| Gamma Psi | 1942–2017 | Michigan State University | East Lansing, Michigan | Inactive | |
| Gamma Omega | 1943–1951; April 15, 1972 | University of Connecticut | Storrs, Connecticut | Active | |
| Delta Alpha | | | | Unassigned | |
| Delta Beta | | | | Unassigned | |
| Delta Gamma | | | | Unassigned | |
| Delta Epsilon | 1943 | North Carolina State University | Raleigh, North Carolina | Active | |
| Delta Zeta | | Willamette University | Salem, Oregon | Active | |
| Delta Eta | 1947 | University of California, Los Angeles | Los Angeles, California | Active | |
| Delta Iota | 1947 | University of Denver | Denver, Colorado | Active | |
| Delta Kappa | 1947–2004, 2016 | Bowling Green State University | Bowling Green, Ohio | Active | |
| Delta Lambda | 1948 – October 9, 1969 | Davidson College | Davidson, North Carolina | Inactive | |
| Delta Mu | 1948 | Southern Methodist University | Dallas, Texas | Active | |
| Delta Nu | 1948 | Wake Forest University | Winston-Salem, North Carolina | Active | |
| Delta Xi | – May 8, 2013; 2019 | San Diego State University | San Diego, California | Active | |
| Delta Omicron | | Simon Fraser University | Vancouver, British-Columbia, Canada | Active | |
| Delta Omicron | | University of British Columbia | Vancouver, British-Columbia, Canada | Active | |
| Delta Pi | 1949–2003; 2016 – July 27, 2021 | Ohio University | San Diego, California | Inactive | |
| Delta Rho | 1949 | Bradley University | Peoria, Illinois | Active | |
| Delta Sigma | 1949–1996; December 3, 2011 | University of Rhode Island | Kingston, Rhode Island | Active | |
| Delta Tau | 1949–2015 | Westminster College | Fulton, Missouri | Inactive | |
| Delta Upsilon | 1949 | Kansas State University | Manhattan, Kansas | Active | |
| Delta Phi | – 1971; 1974 | College of Puget Sound | Tacoma, Washington | Active | |
| Delta Psi | | Rensselaer Polytechnic Institute | Troy, New York | Active | |
| Delta Omega | | University of Tulsa | Tulsa, Oklahoma | Active | |
| Epsilon Alpha | | | | Unassigned | |
| Epsilon Beta | | | | Unassigned | |
| Epsilon Gamma | | | | Unassigned | |
| Epsilon Delta | | | | Unassigned | |
| Epsilon Zeta | 1951–1988, 199x ?–2014, 2023 | Florida State University | Tallahassee, Florida | Active | |
| Epsilon Eta | 1952 | California State University, Fresno | Fresno, California | Active | |
| Epsilon Theta | 1952 | San Jose State University | San Jose, California | Active | |
| Epsilon Iota | 1953–1997 | St. Lawrence University | Canton, New York | Inactive | |
| Epsilon Kappa | 1954 | University of Memphis | Memphis, Tennessee | Active | |
| Epsilon Mu | | Texas Christian University | Fort Worth, Texas | Active | |
| Epsilon Nu | – 2012; 2017 | Texas Tech University | Lubbock, Texas | Active | |
| Epsilon Lambda | | Ripon College | Ripon, Wisconsin | Active | |
| Epsilon Xi | – 2015; 2021 | University of Houston | Houston, Texas | Active | |
| Epsilon Omicron | | University of Western Ontario | London, Ontario, Canada | Active | |
| Epsilon Pi | – 2018 | University of Northern Colorado | Greeley, Colorado | Inactive | |
| Epsilon Rho | – 2019 | University of Richmond | Richmond, Virginia | Inactive | |
| Epsilon Tau | | Murray State University | Murray, Kentucky | Active | |
| Epsilon Sigma | | Florida Southern College | Lakeland, Florida | Active | |
| Epsilon Upsilon | | Arizona State University | Tempe, Arizona | Active | |
| Epsilon Phi | | Southeast Missouri State University | Cape Girardeau, Missouri | Active | |
| Epsilon Chi | – 1983 | Lamar University | Beaumont, Texas | Inactive | |
| Epsilon Psi | | Sam Houston State University | Huntsville, Texas | Active | |
| Epsilon Omega | | Ball State University | Muncie, Indiana | Active | |
| Zeta Alpha | | | | Unassigned | |
| Zeta Beta | | | | Unassigned | |
| Zeta Gamma | | | | Unassigned | |
| Zeta Delta | | | | Unassigned | |
| Zeta Epsilon | | | | Unassigned | |
| Beta Alpha | – April 1970 | Western Reserve University | Cleveland, Ohio | Consolidated | |
| Zeta Theta | | Kettering University | Flint, Michigan | Active | |
| Zeta Eta | | East Texas A&M University | Commerce, Texas | Active | |
| Zeta Iota | | Pittsburg State University | Pittsburg, Kansas | Active | |
| Zeta Kappa | – 2007; 2017 | University of California, Santa Barbara | Santa Barbara, California | Active | |
| Zeta Lambda | | Kent State University | Kent, Ohio | Active | |
| Zeta Mu | | Western Kentucky University | Bowling Green, Kentucky | Active | |
| Zeta Nu | | Western Michigan University | Kalamazoo, Michigan | Active | |
| Zeta Xi | – 2021 | California State University, Northridge | Los Angeles, California | Inactive | |
| Zeta Omicron | | Northern Arizona University | Flagstaff, Arizona | Active | |
| Zeta Pi | | Texas A&M University–Kingsville | Kingsville, Texas | Active | |
| Zeta Rho | | Central Michigan University | Mount Pleasant, Michigan | Active | |
| Zeta Sigma | – 2016 | Eastern New Mexico University | Portales, New Mexico | Inactive | |
| Zeta Tau | | Fort Hays State University | Hays, Kansas | Active | |
| Zeta Upsilon | | College of William & Mary | Williamsburg, Virginia | Active | |
| Zeta Phi | – 1985; 2008 | New Mexico State University | Las Cruces, New Mexico | Active | |
| Zeta Chi | – 2008 | University of Nevada, Las Vegas | Paradise, Nevada | Inactive | |
| Zeta Omega | | East Tennessee State University | Johnson City, Tennessee | Active | |
| Eta Alpha | | Eastern Kentucky University | Richmond, Kentucky | Active | |
| Eta Beta | – 1998; 2013 | California State University, Long Beach | Long Beach, California | Active | |
| Eta Gamma | | Middle Tennessee State University | Murfreesboro, Tennessee | Active | |
| Eta Delta | | Tennessee Tech | Cookeville, Tennessee | Active | |
| Eta Epsilon | | University of South Alabama | Mobile, Alabama | Active | |
| Eta Zeta | | Georgia Southern University | Statesboro, Georgia | Active | |
| Eta Theta | | Georgia Southwestern State University | Americus, Georgia | Active | |
| Eta Iota | | Embry–Riddle Aeronautical University | Daytona Beach, Florida | Active | |
| Eta Kappa | – 2009; 2014 | Missouri State University | Springfield, Missouri | Active | |
| Eta Lambda | – 2018 | Virginia Tech | Blacksburg, Virginia | Inactive | |
| Eta Mu | – 2017; 2023 | Eastern Illinois University | Charleston, Illinois | Active | |
| Eta Nu | – 2000 | Northern Illinois University | DeKalb, Illinois | Inactive | |
| Eta Xi | | Austin Peay State University | Clarksville, Tennessee | Active | |
| Eta Omicron | | Indiana University of Pennsylvania | Indiana, Pennsylvania | Active | |
| Eta Pi | - 2025 | University of Central Florida | Orlando, Florida | Inactive | |
| Eta Rho | | University of North Alabama | Florence, Alabama | Active | |
| Eta Sigma | – 1995; 2004 | University of California, Irvine | Irvine, California | Active | |
| Eta Tau | | Austin State University | Nacogdoches, Texas | Active | |
| Eta Upsilon | | Texas A&M University | College Station, Texas | Active | |
| Eta Phi | | Troy University | Troy, Alabama | Active | |
| Eta Chi | | Youngstown State University | Youngstown, Ohio | Active | |
| Eta Psi | – 2018 | Clemson University | Clemson, South Carolina | Inactive | |
| Eta Omega | – 2010; 2016 | Baylor University | Waco, Texas | Active | |
| Theta Alpha | – 2003; 2015–2024 | PennWest Clarion | Clarion, Pennsylvania | Inactive | |
| Theta Beta | | University of South Florida | Tampa, Florida | Active | |
| Theta Gamma | | Drake University | Des Moines, Iowa | Active | |
| Theta Delta | 1981–2019 | University of Southern Mississippi | Hattiesburg, Mississippi | Inactive | |
| Theta Epsilon | | University of North Georgia | Dahlonega, Georgia | Active | |
| Theta Zeta | 1983 | Bridgewater State University | Bridgewater, Massachusetts | Active | |
| Theta Eta | | Missouri University of Science and Technology | Rolla, Missouri | Active | |
| Theta Iota | –2012, 2017 | Saint Louis University | St. Louis, Missouri | Active | |
| Theta Kappa | 1984–2019 | University of Texas at Arlington | Arlington, Texas | Inactive | |
| Theta Lambda | 1984–2004 | University of San Diego | San Diego, California | Inactive | |
| Theta Mu | 1984–2006, 2009 | Spring Hill College | Mobile, Alabama | Active | |
| Theta Nu | 1984 | Alma College | Alma, Michigan | Active | |
| Theta Xi | 1985–2015 | California State University, Sacramento | Sacramento, California | Inactive | |
| Theta Omicron | | University of California, Davis | Davis, California | Active | |
| Theta Pi | 1985–2018 | Indiana State University | Terre Haute, Indiana | Inactive | |
| Theta Rho | 1985–2015, 2022 | Illinois State University | Normal, Illinois | Active | |
| Theta Sigma | | California State Polytechnic University, Pomona | Pomona, California | Active | |
| Theta Tau | 1986–1999, 2009 | Texas State University | San Marcos, Texas | Active | |
| Theta Upsilon | 1986 | Yale University | New Haven, Connecticut | Active | |
| Theta Phi | 1986–2002 | California Polytechnic State University, San Luis Obispo | San Luis Obispo, California | Inactive | |
| Theta Chi | 1987 | Arkansas State University | Jonesboro, Arkansas | Active | |
| Theta Psi | | University of Waterloo | Waterloo, Ontario, Canada | Active | |
| Theta Omega | | Elon University | Elon, North Carolina | Active | |
| Iota Alpha | 1987–2016 | California State University, San Bernardino | San Bernardino, California | Inactive | |
| Iota Beta | 1987–2015 | Madison University | Harrisonburg, Virginia | Inactive | |
| Iota Gamma | 1988 | Jacksonville University | Jacksonville, Florida | Active | |
| Iota Delta | 1988–2004 | University at Albany, SUNY | Albany, New York | Inactive | |
| Iota Epsilon | 1988 | College of Charleston | Charleston, South Carolina | Active | |
| Iota Zeta | | Clarkson University | Potsdam, New York | Active | |
| Iota Eta | 1988 | Western Connecticut State University | Danbury, Connecticut | Active | |
| Iota Theta | 1988–2013 | University of Dayton | Dayton, Ohio | Inactive | |
| Iota Kappa | 1988 | Fairleigh Dickinson University | Madison, New Jersey | Active | |
| Iota Lambda | 1989 | University of Louisville | Louisville, Kentucky | Active | |
| Iota Mu | | Wilfrid Laurier University | Waterloo, Ontario, Canada | Active | |
| Iota Nu | 1989 | Furman University | Greenville, South Carolina | Active | |
| Iota Xi | | George Mason University | Fairfax, Virginia | Active | |
| Iota Omicron | | Western Illinois University | Macomb, Illinois | Active | |
| Iota Pi | 1989 | Marquette University | Milwaukee, Wisconsin | Active | |
| Iota Rho | – 20xx ? | Bishop's University | Lennoxville, Quebec, Canada | Inactive | |
| Iota Sigma | | Valparaiso University | Valparaiso, Indiana | Active | |
| Iota Tau | 1990 | University of St. Thomas | Saint Paul, Minnesota | Active | |
| Iota Upsilon | 1990–2014, 2021 | Boston University | Boston, Massachusetts | Active | |
| Iota Phi | 1990 | University of North Texas | Denton, Texas | Active | |
| Iota Chi | 1991 | University of California, San Diego | San Diego, California | Active | |
| Iota Psi | 1991–2017, 2024 | Rutgers University–New Brunswick | New Brunswick, New Jersey | Active | |
| Iota Omega | 1991 | Loyola Marymount University | Los Angeles, California | Active | |
| Kappa Alpha | | | | Unassigned | |
| Kappa Beta | 1991 | University of North Florida | Jacksonville, Florida | Active | |
| Kappa Gamma | 1991 | Western Carolina University | Cullowhee, North Carolina | Active | |
| Kappa Delta | | | | Unassigned | |
| Kappa Epsilon | 1992–2012, 2023 | University of Delaware | Newark, Delaware | Active | |
| Kappa Zeta | 1992 | Radford University | Radford, Virginia | Active | |
| Kappa Eta | 1992 | Harvard University | Cambridge, Massachusetts | Active | |
| Kappa Theta | 1992 | California State University, Chico | Chico, California | Active | |
| Kappa Iota | 1993 | Southern Utah University | Cedar City, Utah | Active | |
| Kappa Lambda | 1994 | College of Idaho | Caldwell, Idaho | Active | |
| Kappa Mu | | University of Windsor | Windsor, Ontario, Canada | Active | |
| Kappa Nu | 1994–2004 | State University of New York at Oswego | Oswego, New York | Inactive | |
| Kappa Xi | 1996 | Tarleton State University | Stephenville, Texas | Active | |
| Kappa Omicron | 1998 | Pepperdine University | Malibu, California | Active | |
| Kappa Pi | 2000–2011, 2021 | Towson University | Towson, Maryland | Active | |
| Kappa Rho | | American University | Washington, D.C. | Active | |
| Kappa Sigma | 2003 | University of the Pacific | Stockton, California | Active | |
| Kappa Tau | | Minnesota State University, Mankato | Mankato, Minnesota | Active | |
| Kappa Upsilon | 2004–2023 | Johns Hopkins University | Baltimore, Maryland | Inactive | |
| Kappa Phi | 2005 | Embry–Riddle Aeronautical University, Prescott | Prescott, Arizona | Active | |
| Kappa Chi | – 2023 | Villanova University | Villanova, Pennsylvania | Inactive | |
| Kappa Psi | 2007 | University of Tennessee at Martin | Martin, Tennessee | Active | |
| Kappa Omega | 2007–2022 | University of Tampa | Tampa, Florida | Inactive | |
| Lambda Alpha | 2007–2024 | Knox College | Galesburg, Illinois | Inactive | |
| Lambda Beta | 2008–2020 | University of West Florida | Pensacola, Florida | Inactive | |
| Lambda Gamma | 2008 | Santa Clara University | Santa Clara, California | Active | |
| Lambda Delta | | University of California, Merced | Merced, California | Active | |
| Lambda Epsilon | 2009 | University of New Haven | West Haven, Connecticut | Active | |
| Lambda Zeta | 2010 | Florida Gulf Coast University | Lee County, Florida | Active | |
| Lambda Eta | 2010 | Bryant University | Smithfield, Rhode Island | Active | |
| Lambda Theta | | University of Ottawa | Ottawa, Ontario, Canada | Active | |
| Lambda Iota | 2011 | Florida International University | Miami, Florida | Active | |
| Lambda Kappa | 2011 | Rochester Institute of Technology | Henrietta, New York | Active | |
| Lambda Mu | | Valdosta State University | Valdosta, Georgia | Active | |
| Lambda Nu | 2012 | Loyola University Chicago | Chicago, Illinois | Active | |
| Lambda Xi | | Boise State University | Boise, Idaho | Active | |
| Lambda Omicron | 2012 | Southern Illinois University Carbondale | Carbondale, Illinois | Active | |
| Lambda Pi | | Carnegie Mellon University | Pittsburgh, Pennsylvania | Active | |
| Lambda Rho | 2012 – March 17, 2022 | Saint Francis University | Loretto, Pennsylvania | Active | |
| Lambda Sigma | 2013 | University of New Hampshire | Durham, New Hampshire | Active | |
| Lambda Tau | | Florida Atlantic University | Boca Raton, Florida | Active | |
| Lambda Upsilon | 2013 | Bentley University | Waltham, Massachusetts | Active | |
| Lambda Phi | 2014 | University of West Georgia | Carrollton, Georgia | Active | |
| Lambda Chi | 2014 | University of Wisconsin–Milwaukee | Milwaukee, Wisconsin | Active | |
| Lambda Psi | 2014 | University of Louisiana at Lafayette | Lafayette, Louisiana | Active | |
| Lambda Omega | 2015 | DePaul University | Chicago, Illinois | Active | |
| Mu Alpha | 2015 | University of North Carolina at Charlotte | Charlotte, North Carolina | Active | |
| Mu Beta | 2015 | California State University San Marcos | San Marcos, California | Active | |
| Mu Gamma | 2017 | Binghamton University | Binghamton, New York | Active | |
| Mu Delta | 2017 – February 24, 2023 | Virginia Commonwealth University | Richmond, Virginia | Inactive | |
| Mu Epsilon | | University of Massachusetts Amherst | Amherst, Massachusetts | Active | |
| Mu Zeta | | Brock University | St. Catharines, Ontario, Canada | Active | |
| Mu Eta | 2019 | West Chester University | West Chester, Pennsylvania | Active | |
| Mu Theta | | Georgetown University | Washington, D.C. | Active | |
| Mu Iota | 2021 | University of Texas at San Antonio | San Antonio, Texas | Active | |
| Mu Kappa | | University of North Carolina Wilmington | Wilmington, North Carolina | Active | |
| Mu Lambda | 2023 | Sacred Heart University | Fairfield, Connecticut | Active | |
| Mu Nu | 2024 | University of Alabama at Birmingham | Birmingham, Alabama | Active | |
| Mu Xi | | Belmont University | Nashville, Tennessee | Active | |
| Sigma Chi Beta | | University of Pittsburgh | Pittsburgh, Pennsylvania | Associate | |
| Sigma Chi Delta | | University of Missouri | Columbia, Missouri | Associate | |
| Sigma Chi Epsilon | | Michigan State University | East Lansing, Michigan | Associate | |
| Sigma Chi Lambda | | University of Wisconsin–Madison | Madison, Wisconsin | Associate | |
| Sigma Chi Mu | | Mount Royal University | Calgary, Alberta, Canada | Associate | |
| Sigma Chi Nu | | Northwestern University | Evanston, Illinois | Associate | |
| Sigma Chi Omicron | | Iowa State University | Ames, Iowa | Associate | |
| Sigma Chi Sigma | | University of Southern Mississippi | Hattiesburg, Mississippi | Associate | |
| Sigma Chi Tau' '' | | Westminster College | Fulton, Missouri | Associate | |
| Chapter | Original name | Charter date and range | City | State or province or country | Status | |
| Akron Alumni | | | Akron | Ohio | Inactive | |
| Albuquerque Alumni | | | Alburquerque | New Mexico | Active | |
| Altoona Alumni | | | Altoona | Pennsylvania | | |
| Americus Alumni | | | Americus | Georgia | Active | |
| Anchorage Alumni | | | Anchorage | Alaska | Active | |
| Anderson Alumni | | | Anderson | Indiana | | |
| Asheville Alumni | | | Asheville | North Carolina | Inactive | |
| Atlanta Alumni | | | Atlanta | Georgia | Active | |
| Austin Alumni | | | Austin | Texas | Active | |
| Baltimore Alumni | | | Baltimore | Maryland | Inactive | |
| Bartlesville Alumni | | | Bartlesville | Oklahoma | Active | |
| Baton Rouge Alumni Association | | | Baton Rouge | Louisiana | Active | |
| Billings Alumni | | | Billings | Montana | Inactive | |
| Birmingham Alumni | | | Birmingham | Alabama | Active | |
| Bismarck Alumni | | | Bismarck | North Dakota | Active | |
| Bloomington Alumni | | | Bloomington | Indiana | Inactive | |
| Boca Rotan Alumni | | | Boca Raton | Florida | Active | |
| Boise Alumni | | | Boise | Idaho | Active | |
| Boston Alumni | | | Newton | Massachusetts | Active | |
| Bozeman Alumni | | | Bozeman | Montana | Inactive | |
| Calgary Alumni | | | Calgory | Alberta, Canada | Active | |
| California Capital Region Alumni | | | Folsom | California | Active | |
| Capital City Alumni | | | Washington, D.C. | District of Columbia | Inactive | |
| Central Arkansas Alumni | | | Little Rock | Arkansas | Active | |
| Central Florida Alumni | | | | Florida | Inactive | |
| Central Iowa Alumni Association | | | | Iowa | Inactive | |
| Central Kentucky Alumni | | | | Kentucky | Inactive | |
| Central Michigan Alumni | | | Mount Pleasant | Michigan | Active | |
| Central Missouri Alumni | | | Columbia | Missouri | Active | |
| Central New York Alumni Association | | | Jamesville | New York | Active | |
| Central Ohio Alumni | | | Galena | Ohio | Active | |
| Central Texas Alumni | | | San Marcos | Texas | Active | |
| Central Virginia Alumni | | | Richmond | Virginia | Inactive | |
| Charleston S.C. Alumni | | | Charleston | South Carolina | Inactive | |
| Charleston, WV Alumni | | | Charleston | West Virginia | Active | |
| Charlotte Alumni | | | Charlotte | North Carolina | Active | |
| Chattahoochee Valley Area Alumni | | | LaGrange | Georgia | Active | |
| Chattanooga Alumni | | | Chattanooga | Tennessee | Active | |
| Chesapeake Bay Alumni | | | | Virginia | Inactive | |
| Cheyenne Alumni | | | Cheyenne | Wyoming | Inactive | |
| Chicago Alumni | Omega Alumni | 1882 | Chicago | Illinois | Inactive | |
| Chicago DuPage Alumni | | | Riverside | Illinois | Active | |
| Chicago Metro Alumni | | | Glenview | Illinois | Active | |
| Chicago North Shore Alumni | | | Deerfield | Illinois | Active | |
| Chicago Northwest Suburban Alumni | | | Chicago | Illinois | Inactive | |
| Cincinnati Alumni | Theta Alumni | 1881 | Cincinnati | Ohio | Active | |
| Clarksburg Alumni | | | Clarksburg | West Virginia | | |
| Clarksville Alumni | | | Clarksville | Tennessee | Active | |
| Cleveland Alumni | | | Westlake | Ohio | Active | |
| Cleveland County Alumni Association | | | Cleveland County | Oklahoma | Inactive | |
| College Park Alumni | | | Olney | Maryland | Active | |
| Collin County Alumni | | | Collin County | Texas | Inactive | |
| Columbia Alumni | | | Columbia | South Carolina | Active | |
| Columbus Alumni | | | Columbus | Ohio | Inactive | |
| Coos Bay Alumni | | | Coos Bay, Oregon | Oregon | | |
| Corpus Christi Alumni | | | Corpus Christi | Texas | Inactive | |
| Dallas Alumni | | | McKinney | Texas | Active | |
| Danville Alumni | | | Danville | Kentucky | Inactive | |
| Dayton Area Alumni | | | Dayton | Ohio | Inactive | |
| Denver Alumni | | | Highlands Ranch | Colorado | Active | |
| Des Moines Alumni | | | Des Moines | Iowa | Inactive | |
| Detroit Alumni | | | Rochester | Michigan | Active | |
| Duluth Alumni | | | Duluth | Minnesota | Inactive | |
| Elliott Bay Alumni | | | Seattle | Washington | Inactive | |
| Enid Alumni | | | Enid | Oklahoma | Active | |
| Eugene Alumni | | | Eugene | Oregon | | |
| Fargo Alumni | | | Fargo | North Dakota | Active | |
| Flagstaff Alumni | | | Phoenix | Arizona | Active | |
| Fort Lauderdale Alumni | | | Fort Lauderdale | Florida | Active | |
| Fort Myers/Lee County Alumni Association | | | Naples | Florida | Active | |
| Fort Worth Alumni | | | Burleson | Texas | Active | |
| Fresno Alumni | | | Fresno | California | Active | |
| Grand Forks Alumni | | | Moorhead | Minnesota | Active | |
| Grand Rapids Alumni | | | Grand Rapids | Michigan | Inactive | |
| Greater Fairfield County Alumni | | | Stamford | Connecticut | Active | |
| Greater Miami Alumni | | | Miami | Florida | Active | |
| Great Minnesota Alumni | | | Minneapolis | Minnesota | Active | |
| Greater Nebraska Alumni | | | | Nebraska | Inactive | |
| Green Valley Alumni | | | Green Valley | Arizona | Inactive | |
| Halifax/Greater Atlantic Canada Alumni | | | Dartmouth | Nova Scotia, Canada | Active | |
| Hamilton Alumni | | | Hamilton | Ohio | Inactive | |
| Harrisburg Alumni | | | Mount Joy | Pennsylvania | Active | |
| Hartford Alumni | | | Enfield | Connecticut | Active | |
| Hilton Head Alumni | | | Okatie | South Carolina | Active | |
| Honolulu Alumni | | | Honolulu | Hawaii | Active | |
| Houston Alumni | | | Houston | Texas | Active | |
| Indianapolis Alumni | Iota Alumni | 1882 | Plainfield | Indiana | Active | |
| Inland Empire Alumni | | | Ontario | California | Active | |
| Iowa City-Cedar Rapids Alumni | | | Iowa City | Iowa | Inactive | |
| Jackson Alumni | | | Madison | Mississippi | Active | |
| Jacksonville Alumni | | | Jacksonville | Florida | Inactive | |
| Johnson County Area Alumni | | | Johnson County | Kansas | Inactive | |
| Kalamazoo Alumni | | | Kalamazoo | Michigan | Inactive | |
| Kansas City MO Alumni | | | Kansas City | Missouri | Inactive | |
| Kansas City Alumni | | | Overland Park | Kansas | Active | |
| Katy Area Alumni | | | Katy | Texas | Active | |
| Kern County Alumni | | | Bakersfield | California | Active | |
| Knoxville Alumni | | | Morristown | Tennessee | Active | |
| Lafayette Alumni | | | Lafayette | Louisiana | Active | |
| Lafayette, IN Alumni | Eta Alumni | 1881 – before 1912 | Lafayette | Indiana | Inactive | |
| Lakeland Alumni | | | Lakeland | Florida | Inactive | |
| Lincoln Alumni | | | Lincoln | Nebraska | Inactive | |
| Lincoln Park Alumni | | | Lincoln Park | Illinois | Inactive | |
| Little Rock Alumni | | | Little Rock | Arkansas | Inactive | |
| London UK Alumni | | | London | England | Active | |
| Los Angeles Alumni | | | Los Angeles | California | Inactive | |
| Los Angeles County Alumni | | | Manhattan Beach | California | Active | |
| Louisville Alumni | | | Louisville | Kentucky | Active | |
| Lubbock Alumni | | | Lubbock | Texas | Active | |
| Madison Alumni | | | Madison | Wisconsin | Inactive | |
| Manhattan Alumni | | | Manhattan | Kansas | Inactive | |
| Memphis Area Alumni | | | Memphis | Tennessee | Inactive | |
| Mid Cities Alumni | | | Allen | Texas | Active | |
| Midland Texas Alumni | | | Midland | Texas | Active | |
| Minneapolis Alumni | | | Minneapolis | Minnesota | Inactive | |
| Milwaukee Alumni | | | Milwaukee | Wisconsin | Active | |
| Manila Alumni | | | Manila | Philippines | | |
| Mississippi Gulf Coast Alumni | | | | Mississippi | Inactive | |
| Missoula Alumni | | | Missoula | Montana | Active | |
| Mobile Alumni | | | Mobile | Alabama | Active | |
| Monterey Bay Alumni | | | Aptos | California | Active | |
| Montreal Alumni | | | Montreal | Quebec, Canada | Active | |
| Morgantown Alumni | | | Morgantown | West Virginia | Active | |
| Montgomery Alumni | Beta Alumni | 1887 | Montgomery | Alabama | Inactive | |
| Naples Alumni | | | Naples | Florida | Active | |
| Napa-Sonoma Alumni | | | Napa | California | Inactive | |
| Narragansett Bay Alumni | | | Portsmouth | Rhode Island | Active | |
| Nashville Alumni | | | Franklin | Tennessee | Active | |
| Nebraska Area Alumni | | | Lincoln | Nebraska | Active | |
| New Haven Alumni | | | Burlington | Connecticut | Active | |
| New Orleans Alumni | | 1893 | New Orleans | Louisiana | Inactive | |
| New York City Alumni | Gamma Alumni | 1890 | Bethel | New York | Active | |
| North Alabama Alumni | | | Muscle Shoals | Alabama | Active | |
| North Florida Alumni Association | | | | Florida | Inactive | |
| North Texas Alumni | | | | Texas | Inactive | |
| Northeast Arkansas Alumni | | | | Arkansas | Inactive | |
| Northern Nevada Alumni | | | | Nevada | Inactive | |
| Northern New Jersey Alumni | | | West Orange | New Jersey | Active | |
| Northern Virginia Alumni | | | Fairfax | Virginia | Active | |
| Northwest Arkansas Alumni | | | | Arkansas | Inactive | |
| Northwest Indiana Alumni | | | | Indiana | Inactive | |
| Oakland East Bay Alumni | | | Concord | California | Active | |
| Oklahoma City Alumni | | | Oklahoma City | Oklahoma | Inactive | |
| Omaha Alumni | | | Omaha | Nebraska | Active | |
| Orange County Alumni | | | Lake Forst | California | Active | |
| Orlando Alumni | | | Orlando | Florida | Active | |
| Ottawa Alumni | | | Nepean | Ontario, Canada | Active | |
| Palm Beach Alumni | | | Palm Beach | Florida | Active | |
| Parkersburg Alumni | | | Parkersburg | West Virginia | Inactive | |
| Peninsula-San Mateo Alumni | | | San Mateo | California | Inactive | |
| Peoria Alumni | | | Peoria | Illinois | Inactive | |
| Philadelphia Alumni | | 1893 | Philadelphia | Pennsylvania | Inactive | |
| Phoenix Alumni | | | Scottsdale | Arizona | Active | |
| Pike's Peak Region Alumni | | | Colorado Springs | Colorado | Active | |
| Peoria Alumni | | | Peoria | Illinois | Inactive | |
| Pittsburgh Alumni | | | Pittsburgh | Pennsylvania | Active | |
| Plymouth Alumni | | | Plymouth | Illinois | Inactive | |
| Portland Alumni | | | Portland | Oregon | Inactive | |
| Prescott Alumni | | | Prescott | Arizona | Inactive | |
| Providence Alumni | | | Providence | Rhode Island | Active | |
| Raleigh Alumni | | | Raleigh | North Carolina | Active | |
| Rochester Alumni | | | Rochester | New York | Inactive | |
| St. Louis Alumni | | | St. Louis | Missouri | Active | |
| St. Paul-Minneapolis | | | Saint Paul | Minneapolis | Inactive | |
| Salt Lake City Alumni | | | Salt Lake City | Utah | Active | |
| San Antonio Alumni | | | San Antonio | Texas | Active | |
| San Diego Alumni | | | San Diego | California | Active | |
| San Fernando Valley Alumni Association | | | San Fernando | California | Inactive | |
| San Francisco Alumni Association | | | San Francisco | California | Active | |
| San Jose Alumni | | | San Jose | California | Inactive | |
| Santa Barbara Alumni Association | | | Santa Barbara | California | Inactive | |
| Sarasota Area Sigma Chi Alumni | | | Cortez | Florida | Active | |
| Seattle Alumni | | | Seattle | Washington | Active | |
| Shreveport Alumni | | | Shreveport | Louisiana | Inactive | |
| South Mississippi Alumni | | | Hattiesburg | Mississippi | Active | |
| Southeast Missouri Alumni | | | | Missouri | Inactive | |
| Southern Maine Alumni Association | | | | Maine | Inactive | |
| Southern Minnesota Alumni | | | | Minnesota | Inactive | |
| Southern Nevada Alumni | | | Las Vegas | Nevada | Active | |
| Southern Utah Alumni | | | Salt Lake City | Utah | Active | |
| Space Coast Alumni | | | Merritt Island | Florida | Active | |
| Spokane Alumni | | | Spokane | Washington | Inactive | |
| Springfield Alumni | Alpha Alumni | 1874 – 1910 | Springfield | Ohio | Inactive | |
| Springfield IL Alumni | | – before 1912 | Springfield | Illinois | Inactive | |
| Starkville Alumni | | | Starkville | Mississippi | Active | |
| State College Alumni | | | State College | Pennsylvania | Inactive | |
| Statesboro Alumni | | | Statesboro | Georgia | Active | |
| Stephensville Alumni | | | Seguin | Texas | Active | |
| Stillwater Alumni | | | Stillwater | Oklahoma | Active | |
| Stones River Alumni | | | Murfreesboro | Tennessee | Active | |
| Syracuse Alumni | | | Syracuse | New York | | |
| Tacoma Alumni | | | Tacoma | Washington | Active | |
| Tampa Bay Alumni | | | Tampa | Florida | Inactive | |
| Toledo Area Alumni Association | | | Toledo | Ohio | Inactive | |
| Toronto Alumni | | | Toronto | Ontario, Canada | Active | |
| Troy Alumni | | | Troy | New York | Inactive | |
| Tucson Alumni | | | Tucson | Arizona | Active | |
| Tulsa Alumni | | | Tulsa | Oklahoma | Active | |
| Tupelo Alumni | | | Tupelo | Mississippi | Inactive | |
| Twin City Alumni | | | Minneapolis-Saint Paul | Minnesota | Active | |
| Upstate S.C. Alumni | | | | South Carolina | Inactive | |
| Valparaiso University Alumni | | | Valparaiso | Indiana | Inactive | |
| Vancouver Alumni | | | Vancouver | British Columbia, Canada | Active | |
| Washington D.C. Alumni | Epsilon Alumni | 1889 | Arlington | Virginia | Active | |
| West Michigan Alumni | | | Portage | Michigan | Active | |
| West Palm Beach Alumni | | | Palm Beach Gardens | Florida | Active | |
| Western Florida Alumni Association | | | | Florida | Inactive | |
| Wichita Alumni | | | Wichita | Kansas | | |
| Windsor Alumni | | | Windsor | Ontario, Canada | Active | |
| The Woodlands, Texas Alumni | | | The Woodlands | Texas | Active | |
| Youngstown Alumni' | | | Youngstown | Ohio | Active | |