Sigma Chi is a North American collegiate fraternity. It was established in 1855 at Miami University in Oxford, Ohio, by members who split from the Delta Kappa Epsilon fraternity. The fraternity has 244 active undergraduate chapters and 152 alumni chapters across the United States and Canada. Sigma Chi uses the term "associate chapter" for its colonies.
Following is a list of Sigma Chi collegiate chapters, with active chapters indicated in bold and inactive chapters and institutions in italics.
| Chapter | Charter date and range | Institution | Location | Status | Ref. |
|---|---|---|---|---|---|
| Alpha | June 25, 1855 – 1858; September 13, 1892 – 2012; 2017 |
Miami University | Oxford, Ohio | Active | |
| Gamma | December 24, 1855 – 1884; 1888–2015 |
Ohio Wesleyan University | Delaware, Ohio | Inactive | |
| Epsilon (Original) | May 1855 – 1857 | University of Nashville | Nashville, Tennessee | Reissued | |
| Eta | October 10, 1857 – 1861; January 1, 1866 – 1912; 1926 |
University of Mississippi | Oxford, Mississippi | Active | : 318 |
| Iota | February 8, 1858 – 1869 | Jefferson College | Canonsburg, Pennsylvania | Inactive | : 578 |
| Lambda | September 10, 1858 – 2025 | Indiana University Bloomington | Bloomington, Indiana | Inactive | |
| Nu (Original) | May 1859 – 1863 | Washington College | Washington, Pennsylvania | Reissued | |
| Xi | June 1, 1859 | DePauw University | Greencastle, Indiana | Active | |
| Omicron | December 12, 1859 – 2004 | Dickinson College | Carlisle, Pennsylvania | Inactive | |
| Pi (Original) | January 31, 1860 – 1861 | Erskine College | Due West, South Carolina | Inactive | |
| Sigma (Original) | September 27, 1860 – 1861 | La Grange Synodical College | La Grange, Tennessee | Inactive | |
| Rho (Original) (see Psi) |
December 10, 1860 – 1861 | University of Virginia | Charlottesville, Virginia | Reissued | : 106 |
| Theta | April 3, 1863 – 2005; 2009 | Gettysburg College | Gettysburg, Pennsylvania | Active | : 109–111 |
| Kappa | May 4, 1864 – 1874; 1879 | Bucknell University | Lewisburg, Pennsylvania | Active | |
| Epsilon (Second) | June 10, 1864 – 1880; December 22, 1892 – January 8, 1972; January 5, 1973 – 1998; 2007 |
George Washington University | Washington, D.C. | Active | : 332 |
| Rho (Second) | March 31, 1865 | Butler University | Indianapolis, Indiana | Active | |
| Upsilon | December 12, 1865 – 1876 | Polytechnic College of Pennsylvania | Philadelphia, Pennsylvania | Inactive | |
| Zeta | December 10, 1866 | Washington and Lee University | Lexington, Virginia | Active | |
| Psi (see Rho Original) | November 29, 1866 | University of Virginia | Charlottesville, Virginia | Active | : 106 : 322 |
| Phi | May 17, 1867 – 1887; December 7, 1899 – February 15, 1965; April 24, 1982 – 1997 |
Lafayette College | Easton, Pennsylvania | Inactive | : 202–203 |
| Mu | March 2, 1868 – 1876; 1880–2000; 2004 |
Denison University | Granville, Ohio | Active | |
| Omega | June 23, 1869 – 2000; 2005–2022; September 19, 2026 |
Northwestern University | Evanston, Illinois | Active | |
| Sigma (Second) | February 1869–1870; June 17, 1875 – 1882; 2010 |
Princeton University | Princeton, New Jersey | Active | : x |
| Chi | May 30, 1871 – 1918; 1936 | Hanover College | Hanover, Indiana | Active | |
| Sigma Sigma | January 1, 1871 – 1889; September 1890–1902; 1931 – November 5, 1977; 1984 |
Hampden–Sydney College | Hampden Sydney, Virginia | Active | : 459 |
| Tau | January 9, 1872 – 1890; March 31, 1896 – 1901; 1923 |
Roanoke College | Salem, Virginia | Active | |
| Pi (Second) | November 4, 1872 – 1885; 1984 | Samford University | Homewood, Alabama | Active | |
| Delta | November 8, 1872 – 1885; June 18, 1910 – 1990; 1996 |
University of Georgia | Athens, Georgia | Active | |
| Nu (Second) | December 1872–1880, 2014 | Cumberland University | Lebanon, Tennessee | Active | |
| Beta | March 2, 1873 – 1893; September 11, 1899 – 1913 |
College of Wooster | Wooster, Ohio | Inactive | |
| Beta Beta | June 19, 1873 – 1874 | Mississippi College | Clinton, Mississippi | Inactive | |
| Gamma Gamma | March 14, 1874 – 1901 | Randolph–Macon College | Ashland, Virginia | Inactive | |
| Epsilon Epsilon | June 11, 1874 – 1878 | Monmouth College | Monmouth, Illinois | Inactive | |
| Delta Delta | March 1, 1875 | Purdue University | West Lafayette, Indiana | Active | |
| Phi Phi | September 27, 1875 – 1878; 1884–1887; May 9, 1896 |
University of Pennsylvania | Philadelphia, Pennsylvania | Active | |
| Iota Iota | October 29, 1876 – 1877; 1914 | University of Alabama | Tuscaloosa, Alabama | Active | |
| Zeta Zeta | December 12, 1876 | Centre College | Danville, Kentucky | Active | |
| Psi Psi (Original) (see Theta Theta) |
1874–1875 | University of Michigan | Ann Arbor, Michigan | Inactive | |
| Theta Theta (see Psi Psi Original) |
December 12, 1877 – 2003; 2009 | University of Michigan | Ann Arbor, Michigan | Active | |
| Chi Chi | December 1879–1882, 1993–2024 | Birmingham–Southern College | Birmingham, Alabama | Inactive | |
| Alpha Beta (Original) (see Epsilon Rho) |
January 17, 1880 – 1881 | Richmond College | Richmond, Virginia | Inactive | : 66, 69 : xi |
| Delta Chi | May 1880–1894; May 20, 1909 |
Wabash College | Crawfordsville, Indiana | Active | : xi |
| Kappa Kappa | December 21, 1881 – 1885; December 1891 |
University of Illinois Urbana-Champaign | Champaign, Illinois | Active | |
| Zeta Psi | January 23, 1882 | University of Cincinnati | Cincinnati, Ohio | Active | |
| Alpha Eta | March 2, 1882 – 1889; May 14, 1902 – 1991; 2000–2022 |
University of Iowa | Iowa City, Iowa | Inactive | |
| Alpha Theta | March 22, 1882 | Massachusetts Institute of Technology | Cambridge, Massachusetts | Active | |
| Alpha Gamma | April 21, 1882 | Ohio State University | Columbus, Ohio | Active | |
| Alpha Zeta | November 3, 1882 | Beloit College | Beloit, Wisconsin | Active | |
| Chi Psi | 1882–1883 | University of Louisiana at New Orleans | New Orleans, Louisiana | Inactive | |
| Alpha Epsilon | January 11, 1883 – 2008; 2013 | University of Nebraska–Lincoln | Lincoln, Nebraska | Active | |
| Alpha Delta | February 27, 1883 – 1891 | Stevens Institute of Technology | Hoboken, New Jersey | Inactive | |
| Alpha Iota | May 10, 1883 – 2021 | Illinois Wesleyan University | Bloomington, Illinois | Inactive | |
| Alpha Kappa | June 3, 1883 – 1886; 1980 | Hillsdale College | Hillsdale, Michigan | Active | |
| Alpha Lambda | March 22, 1884 – January 30, 2020; October 26, 2025 | University of Wisconsin–Madison | Madison, Wisconsin | Active | |
| Alpha Xi | May 23, 1884 – July 2022 | University of Kansas | Lawrence, Kansas | Inactive | |
| Alpha Nu | September 24, 1884 – 1888; 1890–2004; 2009–2025 |
University of Texas at Austin | Austin, Texas | Inactive | |
| Alpha Mu | December 31, 1884 – 1885 | Virginia Military Institute | Lexington, Virginia | Inactive | |
| Alpha Omicron | May 15, 1886 | Tulane University | New Orleans, Louisiana | Active | |
| Alpha Pi | June 21, 1886 – April 2, 1980; November 8, 1980 |
Albion College | Albion, Michigan | Active | : 501 |
| Alpha Beta (Second) | June 23, 1886 – January 6, 1968; February 19, 1972 – May 19, 1979; January 12, 1980 |
University of California, Berkeley | Berkeley, California | Active | : 240, 332, 478–479 |
| Alpha Rho | June 6, 1887 – 1891; September 1893–1989; 1993–2017 |
Lehigh University | Bethlehem, Pennsylvania | Inactive | |
| Alpha Sigma | December 7, 1888 | University of Minnesota | Minneapolis, Minnesota | Active | |
| Alpha Tau | May 29, 1889 – 1900; 1913 | University of North Carolina at Chapel Hill | Chapel Hill, North Carolina | Active | |
| Alpha Upsilon | June 8, 1889 – 1994; 2000 | University of Southern California | Los Angeles, California | Active | |
| Alpha Phi | October 10, 1890 | Cornell University | Ithaca, New York | Active | |
| Alpha Chi | May 27, 1891 | Pennsylvania State University | University Park, Pennsylvania | Active | |
| Alpha Omega | December 19, 1891 – April 7, 1965; April 1966 – January 21, 1967; April 7, 1974 – 2018; 2023 |
Stanford University | Stanford, California | Active | : 173–174, 206 |
| Alpha Psi | December 22, 1891 – 1991; 1996–2022 |
Vanderbilt University | Nashville, Tennessee | Inactive | |
| Alpha Alpha | September 28, 1892 – 2006; April 9, 2016 – 2024 |
Hobart College | Geneva, New York | Inactive | |
| Eta Eta | April 5, 1893 – May 1, 1960 | Dartmouth College | Hanover, New Hampshire | Inactive | : 102–103 |
| Lambda Lambda | April 6, 1893 | University of Kentucky | Lexington, Kentucky | Active | |
| Nu Nu | November 28, 1894 – October 2, 1964; 1982 | Columbia University | New York City, New York | Active | : 166–168 |
| Mu Mu | September 13, 1895 | West Virginia University | Morgantown, West Virginia | Active | |
| Xi Xi | September 26, 1896 – 2002; 2007–2019; October 5, 2024 |
University of Missouri | Columbia, Missouri | Active | |
| Omicron Omicron | February 6, 1897 – 1952; 2011 | University of Chicago | Chicago, Illinois | Active | |
| Pi Pi | Unassigned | ||||
| Rho Rho | April 19, 1902 | University of Maine | Orono, Maine | Active | |
| Tau Tau | May 4, 1903 – 2021 | Washington University in St. Louis | St. Louis, Missouri | Inactive | |
| Upsilon Upsilon | September 19, 1903 – 2024 | University of Washington | Seattle, Washington | Inactive | |
| Psi Psi (Second) | October 15, 1904 – January 11, 1957; December 8, 1963 – 1998; 2008–2021 |
Syracuse University | Syracuse, New York | Inactive | : 41, 142, 161 |
| Beta Gamma | May 6, 1905 | Colorado College | Colorado Springs, Colorado | Active | |
| Omega Omega | September 26, 1905 | University of Arkansas | Fayetteville, Arkansas | Active | |
| Beta Delta | September 11, 1906 | University of Montana | Missoula, Montana | Active | |
| Beta Epsilon | August 21, 1908 | University of Utah | Salt Lake City, Utah | Active | |
| Beta Zeta | February 12, 1909 | University of North Dakota | Grand Forks, North Dakota | Active | |
| Beta Eta | November 4, 1909 – January 8, 1972; March 29, 1973 | Case Western Reserve University | Cleveland, Ohio | Active | : 142–143, 332 |
| Beta Theta (see Sigma Chi Beta) | November 6, 1909 – 2018 | University of Pittsburgh | Pittsburgh, Pennsylvania | Inactive | |
| Beta Iota | November 26, 1910 – 1996; 2000 | University of Oregon | Eugene, Oregon | Active | |
| Beta Kappa | April 20, 1912 – 2004; 2008 | University of Oklahoma | Norman, Oklahoma | Active | |
| Beta Lambda | April 26, 1912 | Duke University | Durham, North Carolina | Active | |
| Beta Mu | March 7, 1913 – October 23, 1971; 1981–1999; 2001–20xx ?; October 2018 |
University of Colorado Boulder | Boulder, Colorado | Active | : 326 |
| Beta Nu | May 8, 1913 – December 14, 1965; April 14, 1973 – 2019 |
Brown University | Providence, Rhode Island | Inactive | : 198–199, 344 |
| Beta Xi | April 22, 1913 – 2001, 2008 | University of New Mexico | Albuquerque, New Mexico | Active | |
| Beta Omicron (see Sigma Chi Omicron) | November 11, 1916 – 2018 | Iowa State University | Ames, Iowa | Inactive | |
| Beta Pi | December 2, 1916 | Oregon State University | Corvallis, Oregon | Active | |
| Beta Rho | November 2, 1917 | 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 | November 19, 1919 | Washington State University | Pullman, Washington | Active | |
| Beta Phi | 1919 – August 12, 1972; January 15, 1977 – 2003; 2008 |
University of Arizona | Tucson, Arizona | Active | : 235–236, 424 |
| Beta Chi | 1921 | Emory University | Atlanta, Georgia | Active | |
| Beta Psi | 1922 | Georgia Tech | Atlanta, Georgia | Active | |
| Beta Omega | April 22, 1922 | Toronto Metropolitan University | Toronto, Ontario, Canada | Active | : 389 |
| University of Toronto | |||||
| Gamma Alpha | Unassigned | ||||
| Gamma Beta | Unassigned | ||||
| Gamma Delta | December 15, 1922 | Oklahoma State University–Stillwater | Stillwater, Oklahoma | Active | |
| Gamma Epsilon | 1923 – December 1967; April 19, 1970 |
Whitman College | Walla Walla, Washington | Active | : 236, 287 |
| 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 | January 29, 1927 | McGill University | Montreal, Quebec, Canada | Active | |
| Gamma Mu | 1928 – June 21, 1959 | Wesleyan University | Middletown, Connecticut | Inactive | : 85–86 |
| Gamma Nu | 1929–2016, 2022 | University of South Carolina | Columbia, South Carolina | Active | |
| Gamma Xi | October 24, 1930 | University of Wyoming | Laramie, Wyoming | Active | |
| Gamma Omicron | 1930 – April 10, 1963; September 26, 1971 – October 16, 2014 |
Colgate University | Hamilton, New York | Inactive | : 129–131 |
| Gamma Pi | 1932 | University of Rochester | Rochester, New York | Active | |
| Gamma Rho | May 5, 1933 | Dalhousie University | Halifax, Nova Scotia, Canada | Active | |
| Saint Mary's University | |||||
| Gamma Sigma | 1934–2013, 2019 | Auburn University | Auburn, Alabama | Active | |
| Gamma Tau | April 28, 1934 | 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 | May 16, 1942 – 2001; September 27, 2009 |
University of Maryland, College Park | College Park, Maryland | Active | |
| Gamma Psi (see Sigma Chi Epsilon) | 1942–2017 | Michigan State University | East Lansing, Michigan | Inactive | |
| Gamma Omega | 1943–1951; April 15, 1972 | University of Connecticut | Storrs, Connecticut | Active | : 334–335 |
| Delta Alpha | Unassigned | ||||
| Delta Beta | Unassigned | ||||
| Delta Gamma | Unassigned | ||||
| Delta Epsilon | 1943 | North Carolina State University | Raleigh, North Carolina | Active | |
| Delta Zeta | January 6, 1947 | 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 | : 269–270 |
| Delta Mu | 1948 | Southern Methodist University | Dallas, Texas | Active | |
| Delta Nu | 1948 | Wake Forest University | Winston-Salem, North Carolina | Active | |
| Delta Xi | January 8, 1949 – May 8, 2013; 2019 | San Diego State University | San Diego, California | Active | |
| Delta Omicron | January 22, 1949 | Simon Fraser University | Vancouver, British-Columbia, Canada | Active | |
| University of British Columbia | |||||
| 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, March 8, 2025 | Westminster College | Fulton, Missouri | Inactive | |
| Delta Upsilon | 1949 | Kansas State University | Manhattan, Kansas | Active | |
| Delta Phi | February 4, 1950 – 1971; 1974 | College of Puget Sound | Tacoma, Washington | Active | |
| Delta Psi | December 2, 1950 | Rensselaer Polytechnic Institute | Troy, New York | Active | |
| Delta Omega | 1951 | 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 | August 28, 1955 | Texas Christian University | Fort Worth, Texas | Active | : 21–22 |
| Epsilon Nu | September 11, 1955 – 2012; 2017 | Texas Tech University | Lubbock, Texas | Active | : 25 |
| Epsilon Lambda | September 17, 1955 | Ripon College | Ripon, Wisconsin | Active | : 29, 33 |
| Epsilon Xi | May 5, 1956 – 2015; 2021 | University of Houston | Houston, Texas | Active | : 35–37 |
| Epsilon Omicron | June 27, 1957 | University of Western Ontario | London, Ontario, Canada | Active | |
| Epsilon Pi | March 30, 1958 – 2018 | University of Northern Colorado | Greeley, Colorado | Inactive | : 64 |
| Epsilon Rho (see Alpha Beta Original) | April 12, 1958 – 2019 | University of Richmond | Richmond, Virginia | Inactive | : 66, 68 |
| Epsilon Tau | April 25, 1959 | Murray State University | Murray, Kentucky | Active | : 75, 78 |
| Epsilon Sigma | May 17, 1959 | Florida Southern College | Lakeland, Florida | Active | : 75, 78 |
| Epsilon Upsilon | February 13, 1960 | Arizona State University | Tempe, Arizona | Active | : 97–98 |
| Epsilon Phi | April 10, 1960 | Southeast Missouri State University | Cape Girardeau, Missouri | Active | : 99, 100–101 |
| Epsilon Chi | February 11, 1961 – 1983 | Lamar University | Beaumont, Texas | Inactive | : 107–108 |
| Epsilon Psi | February 11, 1961 | Sam Houston State University | Huntsville, Texas | Active | : 107–109 |
| Epsilon Omega | June 17, 1962 | Ball State University | Muncie, Indiana | Active | : 131, 133 |
| Zeta Alpha | Unassigned | ||||
| Zeta Beta | Unassigned | ||||
| Zeta Gamma | Unassigned | ||||
| Zeta Delta | Unassigned | ||||
| Zeta Epsilon | Unassigned | ||||
| Beta Alpha | June 27, 1963 – April 1970 | Western Reserve University | Cleveland, Ohio | Consolidated | : 142–143 |
| Zeta Theta | November 10, 1963 | Kettering University | Flint, Michigan | Active | : 155, 157 |
| Zeta Eta | November 24, 1963 | East Texas A&M University | Commerce, Texas | Active | : 158–159 |
| Zeta Iota | December 13, 1964 | Pittsburg State University | Pittsburg, Kansas | Active | : 169–170 |
| Zeta Kappa | April 11, 1965 – 2007; 2017 | University of California, Santa Barbara | Santa Barbara, California | Active | : 174, 177 |
| Zeta Lambda | September 26, 1965 | Kent State University | Kent, Ohio | Active | : 192–194 |
| Zeta Mu | December 11, 1965 | Western Kentucky University | Bowling Green, Kentucky | Active | : 196–197 |
| Zeta Nu | January 16, 1966 | Western Michigan University | Kalamazoo, Michigan | Active | : 199–202 |
| Zeta Xi | April 3, 1966 – 2021 | California State University, Northridge | Los Angeles, California | Inactive | : 203–205 |
| Zeta Omicron | February 19, 1967 | Northern Arizona University | Flagstaff, Arizona | Active | : 214 |
| Zeta Pi | March 19, 1967 | Texas A&M University–Kingsville | Kingsville, Texas | Active | : 215–216 |
| Zeta Rho | April 21, 1967 | Central Michigan University | Mount Pleasant, Michigan | Active | : 218–219 |
| Zeta Sigma | May 14, 1967 – 2016 | Eastern New Mexico University | Portales, New Mexico | Inactive | : 220–222 |
| Zeta Tau | December 10, 1967 | Fort Hays State University | Hays, Kansas | Active | : 236–237 |
| Zeta Upsilon | April 21, 1968 | College of William & Mary | Williamsburg, Virginia | Active | : 241–242 |
| Zeta Phi | December 15, 1968 – 1985; 2008 | New Mexico State University | Las Cruces, New Mexico | Active | : 246–247 |
| Zeta Chi | March 23, 1969 – 2008 | University of Nevada, Las Vegas | Paradise, Nevada | Inactive | : 248–249 |
| Zeta Omega | May 18, 1969 | East Tennessee State University | Johnson City, Tennessee | Active | : 251–252 |
| Eta Alpha | January 11, 1970 | Eastern Kentucky University | Richmond, Kentucky | Active | : 275–276 |
| Eta Beta | March 8, 1970 – 1998; 2013 | California State University, Long Beach | Long Beach, California | Active | : 277, 279 |
| Eta Gamma | April 5, 1970 | Middle Tennessee State University | Murfreesboro, Tennessee | Active | : 281 |
| Eta Delta | April 19, 1970 | Tennessee Tech | Cookeville, Tennessee | Active | : 285–286 |
| Eta Epsilon | May 16, 1970 | University of South Alabama | Mobile, Alabama | Active | : 288–289 |
| Eta Zeta | November 21, 1970 | Georgia Southern University | Statesboro, Georgia | Active | : 294–295 |
| Eta Theta | December 19, 1970 | Georgia Southwestern State University | Americus, Georgia | Active | : 297–298 |
| Eta Iota | March 6, 1971 | Embry–Riddle Aeronautical University | Daytona Beach, Florida | Active | : 299–301 |
| Eta Kappa | April 3, 1971 – 2009; 2014 | Missouri State University | Springfield, Missouri | Active | : 303–304 |
| Eta Lambda | November 13, 1971 – 2018 | Virginia Tech | Blacksburg, Virginia | Inactive | : 327–329 |
| Eta Mu | December 11, 1971 – 2017; 2023 | Eastern Illinois University | Charleston, Illinois | Active | : 329–330 |
| Eta Nu | September 17, 1972 – 2000 | Northern Illinois University | DeKalb, Illinois | Inactive | : 339, 341 |
| Eta Xi | April 28, 1973 | Austin Peay State University | Clarksville, Tennessee | Active | : 345–346 |
| Eta Omicron | November 3, 1973 | Indiana University of Pennsylvania | Indiana, Pennsylvania | Active | : 372–373 |
| Eta Pi | January 26, 1974 - 2025 | University of Central Florida | Orlando, Florida | Inactive | : 375–376 |
| Eta Rho | April 20, 1974 | University of North Alabama | Florence, Alabama | Active | : 380, 383 |
| Eta Sigma | January 25, 1975 – 1995; 2004 | University of California, Irvine | Irvine, California | Active | : 389 |
| Eta Tau | April 12, 1975 | Stephen F. Austin State University | Nacogdoches, Texas | Active | : 393 |
| Eta Upsilon | February 21, 1976 | Texas A&M University | College Station, Texas | Active | : 409–410 |
| Eta Phi | January 22, 1977 | Troy University | Troy, Alabama | Active | : 427 |
| Eta Chi | April 16, 1977 | Youngstown State University | Youngstown, Ohio | Active | : 429 |
| Eta Psi | May 7, 1977 – 2018 | Clemson University | Clemson, South Carolina | Inactive | : 433–434 |
| Eta Omega | April 8, 1978 – 2010; 2016 | Baylor University | Waco, Texas | Active | : 460–461 |
| Theta Alpha | May 27, 1978 – 2003; 2015–2024 | PennWest Clarion | Clarion, Pennsylvania | Inactive | : 465–466 |
| Theta Beta | March 3, 1979 | University of South Florida | Tampa, Florida | Active | : 475–476 |
| Theta Gamma | December 6, 1980 | Drake University | Des Moines, Iowa | Active | |
| Theta Delta (see Sigma Chi Sigma) | 1981–2019 | University of Southern Mississippi | Hattiesburg, Mississippi | Inactive | |
| Theta Epsilon | May 1982 | University of North Georgia | Dahlonega, Georgia | Active | |
| Theta Zeta | 1983 | Bridgewater State University | Bridgewater, Massachusetts | Active | |
| Theta Eta | August 27, 1983 | Missouri University of Science and Technology | Rolla, Missouri | Active | |
| Theta Iota | 1984–2012, 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 | April 27, 1985 | 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 | November 16, 1985 | 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 | March 28, 1987 | University of Waterloo | Waterloo, Ontario, Canada | Active | |
| Theta Omega | April 11, 1987 | Elon University | Elon, North Carolina | Active | |
| Iota Alpha | 1987–2016 | California State University, San Bernardino | San Bernardino, California | Inactive | |
| Iota Beta | 1987–2015 | James 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 | April 17, 1988 | 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 | March 18, 1989 | Wilfrid Laurier University | Waterloo, Ontario, Canada | Active | |
| Iota Nu | 1989 | Furman University | Greenville, South Carolina | Active | |
| Iota Xi | April 29, 1989 | George Mason University | Fairfax, Virginia | Active | |
| Iota Omicron | October 28, 1989 | Western Illinois University | Macomb, Illinois | Active | |
| Iota Pi | 1989 | Marquette University | Milwaukee, Wisconsin | Active | |
| Iota Rho | February 24, 1990 – 20xx ? | Bishop's University | Lennoxville, Quebec, Canada | Inactive | |
| Iota Sigma | March 31, 1990 | 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 | April 9, 1994 | 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 | October 9, 1999 | American University | Washington, D.C. | Active | |
| Kappa Sigma | 2003 | University of the Pacific | Stockton, California | Active | |
| Kappa Tau | November 22, 2003 | 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 | December 10, 2005 – 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 | March 14, 2009 | 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 | November 20, 2010 | 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 | October 22, 2011 | Valdosta State University | Valdosta, Georgia | Active | |
| Lambda Nu | 2012 | Loyola University Chicago | Chicago, Illinois | Active | |
| Lambda Xi | April 28, 2012 | Boise State University | Boise, Idaho | Active | |
| Lambda Omicron | 2012 | Southern Illinois University Carbondale | Carbondale, Illinois | Active | |
| Lambda Pi | November 3, 2012 | 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 | May 4, 2013 | 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 | Inactive | |
| 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 | December 2, 2017 | University of Massachusetts Amherst | Amherst, Massachusetts | Active | |
| Mu Zeta | December 1, 2018 | Brock University | St. Catharines, Ontario, Canada | Active | |
| Mu Eta | 2019 | West Chester University | West Chester, Pennsylvania | Active | |
| Mu Theta | November 11, 2019 | Georgetown University | Washington, D.C. | Active | |
| Mu Iota | 2021 | University of Texas at San Antonio | San Antonio, Texas | Active | |
| Mu Kappa | October 16, 2021 | 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 | February 22, 2025 | Belmont University | Nashville, Tennessee | Active | |
| Sigma Chi Beta (see Beta Theta) | University of Pittsburgh | Pittsburgh, Pennsylvania | Associate | ||
| Sigma Chi Epsilon (see Gamma Psi) | Michigan State University | East Lansing, Michigan | Associate | ||
| Sigma Chi Mu | Mount Royal University | Calgary, Alberta, Canada | Associate | ||
| Sigma Chi Sigma (see Theta Delta) | University of Southern Mississippi | Hattiesburg, Mississippi | Associate |
In the following Sigma Chi alumni chapter list, active chapters are indicated in bold and inactive chapters are in italics.
| Chapter | Original name | Charter date and range | City | State or province or country | Status | Ref. |
|---|---|---|---|---|---|---|
| Akron Alumni | Akron | Ohio | Inactive | |||
| Albuquerque Alumni | Alburquerque | New Mexico | Active | |||
| Altoona Alumni | November 27, 1912 | Altoona | Pennsylvania | |||
| Americus Alumni | Americus | Georgia | Active | |||
| Anchorage Alumni | Anchorage | Alaska | Active | |||
| Anderson Alumni | May 7, 1913 | Anderson | Indiana | |||
| Asheville Alumni | Asheville | North Carolina | Inactive | |||
| Atlanta Alumni | March 11, 1904 | Atlanta | Georgia | Active | ||
| Austin Alumni | Austin | Texas | Active | |||
| Baltimore Alumni | February 25, 1903 | Baltimore | Maryland | Inactive | ||
| Bartlesville Alumni | Bartlesville | Oklahoma | Active | |||
| Baton Rouge Alumni Association | Baton Rouge | Louisiana | Active | |||
| Billings Alumni | Billings | Montana | Inactive | |||
| Birmingham Alumni | June 19, 1914 | Birmingham | Alabama | Active | ||
| Bismarck Alumni | Bismarck | North Dakota | Active | |||
| Bloomington Alumni | June 11, 1907 | Bloomington | Indiana | Inactive | ||
| Boca Rotan Alumni | Boca Raton | Florida | Active | |||
| Boise Alumni | Boise | Idaho | Active | |||
| Boston Alumni | March 26, 1900 | Newton | Massachusetts | Active | ||
| Bozeman Alumni | Bozeman | Montana | Inactive | |||
| Calgary Alumni | April 2017 | 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 | February 26, 1906 | 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 | May 17, 1913 | Clarksburg | West Virginia | |||
| Clarksville (Tenn.) Alumni | Clarksville | Tennessee | Active | |||
| Cleveland Alumni | January 5, 1905 | 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 | March 30, 1901 | Columbus | Ohio | Inactive | ||
| Coos Bay Alumni | January 13, 1915 | Coos Bay, Oregon | Oregon | |||
| Corpus Christi Alumni | Corpus Christi | Texas | Inactive | |||
| Dallas Alumni | November 23, 1911 | McKinney | Texas | Active | ||
| Danville Alumni | January 11, 1910 | Danville | Kentucky | Inactive | ||
| Dayton Area Alumni | June 8, 1909 | Dayton | Ohio | Inactive | ||
| Denver Alumni | March 1, 1902 | Highlands Ranch | Colorado | Active | ||
| Des Moines Alumni | March 14, 1912 | Des Moines | Iowa | Inactive | ||
| Detroit Alumni | March 25, 1904 | Rochester | Michigan | Active | ||
| Duluth Alumni | November 3, 1910 | Duluth | Minnesota | Inactive | ||
| Elliott Bay Alumni | Seattle | Washington | Inactive | |||
| Enid Alumni | Enid | Oklahoma | Active | |||
| Eugene Alumni' | March 28, 1914 | Eugene | Oregon | |||
| Fargo Alumni | September 1, 1914 | 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 | May 5, 1933 | Dartmouth | Nova Scotia, Canada | Active | ||
| Hamilton Alumni | May 16, 1907 | Hamilton | Ohio | Inactive | ||
| Harrisburg Alumni | July 26, 1907 | Mount Joy | Pennsylvania | Active | ||
| Hartford Alumni | Enfield | Connecticut | Active | |||
| Hilton Head Alumni | Okatie | South Carolina | Active | |||
| Honolulu Alumni | March 28, 1914 | 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 | August 8, 1902 | 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 | April 15, 1907 | Lincoln | Nebraska | Inactive | ||
| Lincoln Park Alumni | Lincoln Park | Illinois | Inactive | |||
| Little Rock Alumni | April 20, 1909 | Little Rock | Arkansas | Inactive | ||
| London UK Alumni | London | England | Active | |||
| Los Angeles Alumni | July 7, 1903 | Los Angeles | California | Inactive | ||
| Los Angeles County Alumni | Manhattan Beach | California | Active | |||
| Louisville Alumni | April 13, 1904 | Louisville | Kentucky | Active | ||
| Lubbock Alumni | Lubbock | Texas | Active | |||
| Madison Alumni | June 22, 1909 | Madison | Wisconsin | Inactive | ||
| Manhattan Alumni | Manhattan | Kansas | Inactive | |||
| Memphis Area Alumni | October 8, 1907 | Memphis | Tennessee | Inactive | ||
| Mid Cities Alumni | Allen | Texas | Active | |||
| Midland Texas Alumni | Midland | Texas | Active | |||
| Minneapolis Alumni | Minneapolis | Minnesota | Inactive | |||
| Milwaukee Alumni | December 22, 1899 | Milwaukee | Wisconsin | Active | ||
| Manila Alumni | August 14, 1905 | Manila | Philippines | |||
| Mississippi Gulf Coast Alumni | Mississippi | Inactive | ||||
| Missoula Alumni | March 2, 1909 | 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 | May 10, 1893 | 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 | March 16, 1909 | Oklahoma City | Oklahoma | Inactive | ||
| Omaha Alumni | January 13, 1915 | 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 | December 18, 1906 | Scottsdale | Arizona | Active | ||
| Pike's Peak Region Alumni | Colorado Springs | Colorado | Active | |||
| Peoria Alumni | July 15, 1901 | Peoria | Illinois | Inactive | ||
| Pittsburgh Alumni | October 2, 1902 | Pittsburgh | Pennsylvania | Active | ||
| Plymouth Alumni | Plymouth | Illinois | Inactive | |||
| Portland Alumni | February 2, 1911 | 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 | May 4, 1903 | St. Louis | Missouri | Active | ||
| St. Paul-Minneapolis | April 13, 1901 | Saint Paul | Minneapolis | Inactive | ||
| Salt Lake City Alumni | June 16, 1908 | 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 | November 13, 1902 | 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 | November 4, 1908 | 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 | April 11, 1912 | Spokane | Washington | Inactive | ||
| Springfield Alumni | Alpha Alumni | 1874 – 1910 | Springfield | Ohio | Inactive | |
| Springfield IL Alumni | June 27, 1902 – 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 | May 15, 1916 | Syracuse | New York | |||
| Tacoma Alumni | April 6, 1911 | Tacoma | Washington | Active | ||
| Tampa Bay Alumni | Tampa | Florida | Inactive | |||
| Toledo Area Alumni Association | January 5, 1905 | Toledo | Ohio | Inactive | ||
| Toronto Alumni | Toronto | Ontario, Canada | Active | |||
| Troy Alumni | December 1911 | 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 | May 15, 1916 | Wichita | Kansas | |||
| Windsor Alumni | Windsor | Ontario, Canada | Active | |||
| The Woodlands, Texas Alumni | The Woodlands | Texas | Active | |||
| Youngstown Alumni | Youngstown | Ohio | Active |
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