# List of Sigma Pi chapters

This article lists the chapters of Sigma Pi fraternity. They are listed by the chapter's charter year, along with their Greek-letter designation and the school name. An official list of all chapters, both active and dormant, can be found by clicking the Sigma Pi Fraternity International website link to the List of Sigma Pi Chapters

## Chapters

| Name | Chartered | Institution | Location | Status | Notes | Reference |
| Alpha | 1897 | Vincennes University | Vincennes, Indiana | Active | Founded as Tau Phi Delta society on February 26, 1897. Changed its name to Sigma Pi in 1907. Inactive 1910–1965. | |
| Phi | 1908 | University of Illinois | Urbana, Illinois | Inactive | Founded during the winter of 1907-1908 as the Sphinx Club. The letter Phi was chosen because the Sphinx club was informed they would be the 15th chapter of the organization to make the fraternity appear larger. Inactive since 2016. | |
| Gamma | 1908 | Ohio State University | Columbus, Ohio | Inactive | Founded in 1904 as Phi Kappa Phi local fraternity. Inactive during World War II and 1995–2007. Inactive since 2020 | |
| Kappa | 1909 | Temple University | Philadelphia, Pennsylvania | Inactive | Founded as Sigma Delta local fraternity in 1909. 1931 charter was granted to Kappa Phi Psi local fraternity. Inactive 1918–1931, 2003–2005 and since 2007. | |
| Delta | 1909 | University of Pennsylvania | Philadelphia, Pennsylvania | Inactive | Founded as Sigma Omicron Pi local fraternity in 1909. Inactive 1913–1914, 1938–2002, 2005–2010, 2012–Current. | |
| Epsilon | 1910 | Ohio University | Athens, Ohio | Inactive | Founded as Sigma Theta Gamma local fraternity in 1909. Inactive 1943–1970 and 1982–2009. Permanently expelled from campus April 2019 | |
| Zeta | June 1, 1912 | Ohio Northern University | Ada, Ohio | Active | Founded as Phi Chi Psi local fraternity in 1909. | |
| Eta | 1912 | Purdue University | West Lafayette, Indiana | Active | Oldest chapter in continuous existence. Founded as the Minuet Club in 1898. | |
| Theta | 1912 | Pennsylvania State University | State College, Pennsylvania | Active | Second oldest chapter in continuous existence. Founded as the Corinthian Club in the Fall of 1906. | |
| Iota | 1913 | University of California, Berkeley | Berkeley, California | Active | Founded as the Pirate's Club in 1894. First chapter west of the Mississippi River. Inactive during World War II and 1967–1975. | |
| Lambda | 1916 | Kenyon College | Gambier, Ohio | Inactive | Founded as Phi Gamma Phi local fraternity on June 1, 1915. Inactive since 1970. | |
| Mu | 1917 | Cornell University | Ithaca, New York | Active | Founded as the St. L and J Club in 1895 then became Omega Delta local fraternity in 1913. Inactive during World War II. | |
| Nu | 1918 | Franklin & Marshall College | Lancaster, Pennsylvania | Inactive | Third oldest chapter in continuous existence. Founded as the Franklin Club in 1897. | |
| Xi | 1918 | University of Iowa | Iowa City, Iowa | Active | Founded as Pi Omicron local fraternity in 1913. Inactive 1938–1961 and 1992–2005. | |
| Omicron | 1920 | Tulane University | New Orleans, Louisiana | Inactive | Founded as Alpha Phi Omega local fraternity in 1919. Inactive from 1942-1946, 1952-1964, and since 1973. | |
| Pi | 1920 | University of Utah | Salt Lake City, Utah | Inactive | Founded as the Sphinx local fraternity. Inactive since 1976. | |
| Rho | 1921 | North Carolina State University | Raleigh, North Carolina | Active | Fourth oldest chapter in continuous existence. Founded as Sigma Chi Gamma local fraternity in 1914. | |
| Sigma | 1922 | Iowa State University | Ames, Iowa | Inactive | Founded as Affalata local fraternity in the Fall of 1914. Changed its name to Lambda Sigma Psi local fraternity in January 1915. Inactive 1943–1955 and 1974–1991. | |
| Tau | 1922 | University of Wisconsin–Madison | Madison, Wisconsin | Active | Founded as Alif Mim local fraternity in November of 1920. Inactive 1932–2005. | |
| Upsilon | 1923 | University of California, Los Angeles | Los Angeles, California | Active | Founded as the Ball and Chain Gang local fraternity on October 1, 1919. It later changed its name to Delta Sigma Chi local fraternity. Inactive during World War II and from ? to 1975. | |
| Chi | 1923 | University of Pittsburgh | Pittsburgh, Pennsylvania | Inactive | Founded as Delta Upsilon Kappa local fraternity. Inactive from 1932 to 1948, and since 1960. | |
| Psi | 1923 | Emory University | Atlanta, Georgia | Inactive | Founded as Beta Pi local fraternity in October of 1921. Inactive since 1959. | |
| Omega | 1924 | Oregon State University | Corvallis, Oregon | Active | Founded as Gamma Sigma Kappa in the fall of 1920. Inactive World War II and 1985–1990. | |
| Beta | 1924 | Indiana University | Bloomington, Indiana | Inactive | Founded as Kappa Chi local fraternity in 1923. Inactive during World War II and since 2021. | |
| Alpha Beta | 1925 | University of Michigan | Ann Arbor, Michigan | Inactive | Founded as the Index Club in 1920 then changed its name to Beta Phi Delta local fraternity. Inactive 1933–1949, 1952–1966, 1970–2007, and since 2015. | |
| Alpha Gamma | 1926 | University of Washington | Seattle, Washington | Inactive | Founded as Sigma Theta local fraternity in the spring of 1922. Inactive since 1991. | |
| Alpha Delta | 1926 | Auburn University | Auburn, Alabama | Active | Founded as Pi Omega Phi local fraternity in the spring of 1922. Inactive during World War II. | |
| Alpha Epsilon | 1927 | Mercer University | Macon, Georgia | Inactive | Founded as Gamma Alpha local fraternity in November 1923. Inactive since 1940 | |
| Alpha Zeta | 1930 | St. Lawrence University | Canton, New York | Inactive | Founded as Delta Tau Phi local Fraternity. Inactive since 2001 | |
| Alpha Eta | 1931 | College of William & Mary | Williamsburg, Virginia | Active | Founded as Alpha Psi local fraternity on November 15, 1921. Inactive during World War II and from 1982–1990. | |
| Alpha Theta | 1931 | Beloit College | Beloit, Wisconsin | Inactive | Inactive since 1979 | |
| Alpha Iota | 1933 | University of Missouri-Rolla | Rolla, Missouri | Active | Founded as The Prospector Club in 1913. Inactive during World War II. | |
| Alpha Kappa | 1936 | Louisiana State University | Baton Rouge, Louisiana | Inactive | Founded as Pi Alpha Omega local fraternity on December 15, 1924. In 1935 it absorbed Theta Kappa Alpha local fraternity which had been founded in 1923. Inactive during World War II, from 1977 to 1986, and since 1994. | |
| Alpha Lambda | 1937 | Mississippi State University | Starkville, Mississippi | Inactive | First chapter founded as a colony. Inactive from 1942 to 1946, 1952 to 1954, and since 1959. | |
| Alpha Mu | 1938 | New Jersey Institute of Technology | Newark, New Jersey | Active | Fifth oldest chapter in continuous existence. Founded as Beta Alpha Theta local fraternity in December 1922. | |
| Alpha Nu | 1940 | Wake Forest University | Winston-Salem, North Carolina | Active | Sixth oldest chapter in continuous existence. Founded as Delta Sigma Chi local fraternity in 1928. Owns most Grand Sage Awards at 5 for Tier 2 | |
| Alpha Xi | 1948 | California State University, Fresno | Fresno, California | Inactive | Inactive since 2019 | |
| Alpha Omicron | 1948 | University of California, Santa Barbara | Santa Barbara, California | Active | Inactive 1972–1973, 1976–2008. | |
| Alpha Pi | 1948 | Arkansas State University | Jonesboro, Arkansas | Inactive | Founded as Zeta Tau Zeta local fraternity in 1937. Inactive since 2022. | |
| Alpha Rho | 1948 | Missouri State University | Springfield, Missouri | Active | Founded as Chi Upsilon local fraternity in 1946. Grand Sage Award in 1972. Triad Awards in 1982, 1986, and 1988. Dennis Day was Grand Sage from 1990 to 1992. Inactive from 2008 to 2012. | |
| Alpha Sigma | 1948 | University of Arkansas | Fayetteville, Arkansas | Active | Inactive 1977–2008. | |
| Alpha Tau | 1948 | University of Southwestern Louisiana | Lafayette, Louisiana | Inactive | Inactive 1956-1995 and since 2000. | |
| Alpha Upsilon | 1948 | University of Rhode Island | Kingston, Rhode Island | Inactive | Founded as Tau Sigma local fraternity in June 1944. Inactive 1968–1983 and 1999–2004. Inactive since 2018 | |
| Alpha Phi | 1948 | University of Georgia | Athens, Georgia | Active | Inactive 1974–1981 and 1987–1992 (Colony 1990–92) | |
| Alpha Chi | 1949 | University of Maryland, College Park | College Park, Maryland | Inactive | Inactive 1993–2007 and since 2010. | |
| Alpha Psi | 1949 | Utah State University | Logan, Utah | Inactive | Inactive since 1962 | |
| Alpha Omega | 1949 | San Diego State University | San Diego, California | Inactive | Inactive 1959-1963, ?–1976, and since 2008. | |
| Beta Gamma | 1949 | Eastern Illinois University | Charleston, Illinois | Active | Founded as Chi Rho local fraternity on September 15, 1947. Inactive 1959-1963. | |
| Beta Delta | 1950 | University of Kansas | Lawrence, Kansas | Active | Inactive 1962–2012 | |
| Beta Epsilon | 1950 | Syracuse University | Syracuse, New York | Inactive | Founded as Club 200 local fraternity in the fall of 1946. Inactive since 1953 | |
| Beta Zeta | 1950 | University of Miami | Miami, Florida | Inactive | Inactive since 1953 | |
| Beta Eta | 1950 | San Jose State University | San Jose, California | Inactive | Inactive 1977–1993, Inactive since 2015 due to hazing | |
| Beta Theta | 1950 | Drexel University | Philadelphia, Pennsylvania | Inactive | Founded as Phi Tau Delta local fraternity on March 15, 1948. Inactive since 2003. | |
| Beta Iota | 1951 | Northern Arizona University | Flagstaff, Arizona | Active | Founded as the first Fraternity on campus. Inactive 1991-2017 | |
| Beta Kappa | 1951 | Arizona State University | Tempe, Arizona | Active | Inactive 1965–1985, 1995–2003, and 2011–2016 | |
| Beta Lambda | 1953 | Lycoming College | Williamsport, Pennsylvania | Inactive | Inactive since 1991 | |
| Beta Mu | 1953 | The University of Mississippi | Oxford, Mississippi | Active | Inactive 1991–2009 | |
| Beta Nu | 1955 | Southern Illinois University Carbondale | Carbondale, Illinois | Active | Founded as Nu Epsilon Alpha in 1941. Inactive 2007–2010 | |
| Beta Xi | 1955 | New Mexico State University | Las Cruces, New Mexico | Inactive | Founded as Alpha Delta Theta local fraternity in January 1922. Inactive 1966 to 1967 and since 1986. | |
| Beta Omicron | 1955 | California State University-Long Beach | Long Beach, California | Active | Founded as Tau Upsilon Rho local fraternity on September 10, 1949. | |
| Beta Pi | 1959 | University of Virginia | Charlottesville, Virginia | Active | Founded as the Corinthian Club in 1958. Only chapter ever to win back-to-back-to-back Grand Sage Awards (2004, 2006, 2008) | |
| Beta Rho | 1959 | Atlantic Christian College | Wilson, North Carolina | Inactive | Founded as Phi Delta Gamma local fraternity in 1937. Inactive since 1982. | |
| Beta Sigma | 1959 | Northern Illinois University | DeKalb, Illinois | Inactive | Founded as Alpha Psi Epsilon local fraternity on June 7, 1954. Inactive since 2012. | |
| Beta Tau | 1960 | Valparaiso University | Valparaiso, Indiana | Active | Founded as Omega Chi Beta local fraternity on December 10, 1946. | |
| Beta Upsilon | 1960 | Shippensburg University | Shippensburg, Pennsylvania | Inactive | Inactive since 2002 | |
| Beta Phi | 1960 | Rochester Institute of Technology | Henrietta, New York | Inactive | Founded as Gamma Phi local fraternity in October 1950. Inactive since 2002. | |
| Beta Chi | 1961 | Loyola University Chicago | Chicago, Illinois | Inactive | Founded as the Beta chapter of Phi Mu Chi fraternity in 1922. It was the only chapter to survive and became a local fraternity. Inactive since 2014. | |
| Beta Psi | 1961 | East Stroudsburg University | East Stroudsburg, Pennsylvania | Active | Inactive from 2006 to 2011. | |
| Beta Omega | 1961 | Lock Haven University | Lock Haven, Pennsylvania | Inactive | Founded as Delta Rho Beta local fraternity in 1929. Inactive from 1988 to 1996 and since 2005. | $^{:14}$ |
| Gamma Alpha | 1962 | University of Detroit-Mercy | Detroit, Michigan | Active | | |
| Gamma Beta | 1962 | Eastern Michigan University | Ypsilanti, Michigan | Inactive | Inactive 1972–2006. | |
| Gamma Gamma | 1962 | University of Central Missouri | Warrensburg, Missouri | Active | | |
| Gamma Delta | 1962 | Slippery Rock University | Slippery Rock, Pennsylvania | Inactive | Inactive since 1996 | |
| Gamma Epsilon | 1963 | Fairmont State University | Fairmont, West Virginia | Inactive | Inactive since 2001 | |
| Gamma Zeta | 1964 | Parsons College | Fairfield, Iowa | Inactive | Inactive when the college closed in 1973. | $^{:8}$ |
| Gamma Eta | 1964 | Rutgers University | New Brunswick, New Jersey | Active | Rechartered in 2011 | |
| Delta Omicron | 1964 | University of Wisconsin-Milwaukee | Milwaukee, Wisconsin | Inactive | Founded as Omicron Omicron Omicron local fraternity. Became the Omicron chapter of Delta Kappa in 1953. First Delta Kappa chapter to be initiated into Sigma Pi. Inactive since 1972. | |
| Delta Sigma | 1964 | University of Wisconsin-Stout | Menomonie, Wisconsin | Inactive | Formed as Sigma local fraternity in 1946. Became the Sigma chapter of Delta Kappa fraternity in 1951. Became a Sigma Pi chapter with the merger. Inactive since 1983. | |
| Gamma Theta | 1965 | University of Texas | Austin, Texas | Inactive | Inactive 1972–1999 and since 2019. | |
| Delta Chi | 1965 | Western State College of Colorado | Gunnison, Colorado | Inactive | Formed as a colony of Delta Kappa and chartered in 1963 as its Chi Sigma chapter. Became a Sigma Pi chapter with the merger. Inactive in 1972-1994, and since 1999. | |
| Gamma Iota | 1965 | Worcester Polytechnic Institute | Worcester, Massachusetts | Active | Founded as Psi Theta Nu local fraternity in 1961. | |
| Gamma Kappa | 1966 | Indiana Institute of Technology | Fort Wayne, Indiana | Inactive | Founded as the Gamma chapter of Theta Mu Pi on February 14, 1947. In 1957 it became a chapter of Beta Sigma Tau but had to resign its charter in 1960 because of the college's accreditation status. Inactive since 2012. | |
| Gamma Lambda | 1966 | University of Wisconsin-Stevens Point | Stevens Point, Wisconsin | Inactive | Inactive since 1976 | |
| Gamma Mu | 1966 | University of Wisconsin–Oshkosh | Oshkosh, Wisconsin | Active | Inactive 1976–1985. | |
| Gamma Nu | 1966 | University of Akron | Akron, Ohio | Inactive | Inactive since 1999 | |
| Gamma Xi | 1967 | West Virginia University Institute of Technology | Montgomery, West Virginia | Inactive | Founded as Beta Kappa Chi local fraternity in 1926. Inactive since 2019 | |
| Gamma Omicron | 1967 | University of Findlay | Findlay, Ohio | Inactive | Inactive since 1999 | |
| Gamma Pi | 1967 | Indiana State University | Terre Haute, Indiana | Inactive | Inactive since 2005 | |
| Gamma Rho | 1967 | Western Michigan University | Kalamazoo, Michigan | Inactive | Inactive since 2013. | |
| Gamma Sigma | 1967 | University of Missouri–Columbia | Columbia, Missouri | Inactive | Inactive 1990–1996 and since 2018. | |
| Gamma Tau | 1968 | Georgia Southern University | Statesboro, Georgia | Inactive | Founded as Kappa Delta Chi local fraternity in 1967. Inactive from 1989 to 1997 and since 2008. | $^{:12}$$^{:50–52}$ |
| Gamma Upsilon | 1968 | Murray State University | Murray, Kentucky | Active | | |
| Delta Gamma | 1968 | Milton College | Milton, Wisconsin | Inactive | Formed as a local fraternity then became Gamma chapter of Chi Delta Rho state fraternity before World War II. Became the Chi Gamma chapter of Delta Kappa in 1953. At the time of Sigma Pi chartering, it had the longest colony status (four years) in fraternity history. The delay was due to the college's accreditation status. Inactive when the college closed in 1974. | $^{:62–65}$ |
| Gamma Phi | 1968 | University of Wisconsin-Whitewater | Whitewater, Wisconsin | Inactive | Founded as the Lancer Brotherhood local fraternity in 1965. Inactive since 1977. | $^{:62–65}$ |
| Gamma Chi | 1968 | Quinnipiac University | Hamden, Connecticut | Inactive | Founded as Kappa Alpha Psi local fraternity in May 1966. Inactive since 1972. | $^{:59–61}$ |
| Gamma Psi | 1969 | St. Louis University | St. Louis, Missouri | Inactive | Founded as a chapter of Kappa Mu Sigma in 1956. In 1968 Alpha Phi Chi local fraternity, which was founded in 1966, merged with what had become the Sigma Pi colony. | $^{:2}$ |
| Gamma Omega | 1969 | Wayne State University | Detroit, Michigan | Active | Founded as Rho Gamma Epsilon Local Fraternity, which became a colony of Sigma Pi after being inspired by the Sigma Pi chapter at the University Detroit Mercy. | |
| Delta Alpha | 1969 | Central Michigan University | Mount Pleasant, Michigan | Active | Inactive 2008–2012. | |
| Delta Beta | 1969 | Monmouth University | West Long Branch, New Jersey | Active | Founded as Alpha Theta Chi local fraternity on April 6, 1959. Inactive 1975–1991. | $^{:9}$ |
| Delta Epsilon | 1969 | Seton Hall University | South Orange, New Jersey | Inactive | Founded from the merger of two local fraternities, Tau Sigma Phi and Kappa Sigma Pi. Inactive since 2018. | $^{:13}$ |
| Delta Zeta | 1969 | University of Missouri-St. Louis | St. Louis, Missouri | Inactive | Founded as the Beta chapter of Sigma Kappa Phi in 1966. Inactive since 2021. | |
| Delta Eta | 1969 | Youngstown State University | Youngstown, Ohio | Inactive | Founded as Theta Tau local fraternity on March 18, 1968. | |
| Delta Theta | 1970 | Texas A&M-Corpus Christi | Corpus Christi, Texas | Inactive | Founded as Phi Upsilon Pi local fraternity in 1965. | |
| Delta Iota | 1970 | University of Wisconsin–Platteville | Platteville, Wisconsin | Active | Founded as Delta Chi Epsilon local fraternity in 1965. | $^{:62}$ |
| Delta Lambda | 1970 | Louisiana Tech University | Ruston, Louisiana | Inactive | Inactive 1989–2001 and since 2017. | |
| Delta Mu | 1970 | Salem University | Salem, West Virginia | Inactive | Founded as Chi Sigma Delta local fraternity in 1965. Merged with Phi Gamma Nu local fraternity in 1968. Inactive since 1999. | $^{:67}$ |
| Delta Pi | 1970 | Bloomsburg University of Pennsylvania | Bloomsburg, Pennsylvania | Inactive | Founded as Delta Pi local fraternity in 1967. Inactive since 2002. | $^{:69}$ |
| Delta Nu | 1970 | Ball State University | Muncie, Indiana | Inactive | Founded as Tau Phi Delta local fraternity in September 1968 by transfers from Alpha chapter with the intent on starting a chapter. Inactive from 1977–1984 and since 1996. | $^{:158}$ |
| Delta Xi | 1970 | Southern Utah University | Cedar City, Utah | Inactive | Founded as Gamma Psi Upsilon local fraternity in December 1948. Inactive since 1999. | $^{:142}$ |
| Delta Rho | 1971 | Morehead State University | Morehead, Kentucky | Active | | |
| Delta Tau | 1971 | Indiana University-South Bend | South Bend, Indiana | Inactive | Founded as Phi Delta local fraternity on April 24, 1970. Inactive since 2009. | $^{:9}$ |
| Delta Upsilon | 1971 | Virginia Polytechnic Institute and State University | Blacksburg, Virginia | Inactive | Founded as Delta Sigma Tau local fraternity on March 26, 1968. Inactive 1977–1990 and since 2009. | $^{:10}$ |
| Delta Phi | 1971 | University of Wisconsin-La Crosse | La Crosse, Wisconsin | Inactive | Founded as Beta Sigma Chi local fraternity in 1934. | |
| Delta Psi | 1971 | Troy State University | Troy, Alabama | Inactive | Founded as Sigma Alpha local fraternity in 1968. Inactive since 2001. | |
| Delta Omega | 1972 | Southern Illinois University Edwardsville | Edwardsville, Illinois | Inactive | Founded as Pi Delta Alpha local fraternity on January 9, 1971. Inactive since 2018. | |
| Epsilon Alpha | 1972 | Kennesaw State University | Kennesaw, Georgia | Inactive | Founded as Sigma Delta Phi local fraternity at Southern Polytechnic State University in 1960. Moved to Kennesaw State at the schools' consolidation in 2015. Inactive since 2020. | |
| Epsilon Beta | 1973 | University of Kentucky | Lexington, Kentucky | Active | Inactive from 2011 to 2017. | |
| Epsilon Gamma | 1975 | Illinois Wesleyan University | Bloomington, Illinois | Inactive | Founded as Zeta Epsilon local fraternity in 1969. Inactive since 2012. | |
| Epsilon Delta | 1976 | Columbus State University | Columbus, Georgia | Inactive | Founded as Sigma Pi Upsilon in 1974. Inactive since 1987. | |
| Epsilon Epsilon | 1976 | Emporia State University | Emporia, Kansas | Inactive | Inactive since 2020. | |
| Epsilon Zeta | 1976 | Western Illinois University | Macomb, Illinois | Active | | |
| Epsilon Eta | 1977 | Illinois State University | Normal, Illinois | Active | Inactive from 2002 to 2017. | |
| Epsilon Theta | 1977 | Elon College | Elon, North Carolina | Active | Inactive from 2014 to 2021. | |
| Epsilon Iota | 1977 | California State University, Northridge | Los Angeles, California | Inactive | Inactive since 1997. | |
| Epsilon Kappa | 1977 | Southern Arkansas University | Magnolia, Arkansas | Active | | |
| Epsilon Lambda | 1978 | Eastern Kentucky University | Richmond, Kentucky | Active | | |
| Epsilon Mu | 1978 | James Madison University | Harrisonburg, Virginia | Inactive | Inactive since 1999. | |
| Epsilon Nu | 1978 | California State University, Fullerton | Fullerton, California | Active | Inactive from 2003 to 2017. | |
| Epsilon Xi | 1979 | Fairleigh Dickinson University | Rutherford, New Jersey | Active | Inactive 1994–2005. | |
| Epsilon Omicron | 1979 | SUNY Buffalo | Buffalo, New York | Inactive | Inactive since 2020. | |
| Epsilon Pi | 1981 | Christopher Newport University | Newport News, Virginia | Inactive | Inactive since 2007. | |
| Epsilon Rho | 1982 | Drury University | Springfield, Missouri | Active | | |
| Epsilon Sigma | 1982 | Loyola Marymount University | Los Angeles, California | Inactive | Inactive since 1998. | |
| Epsilon Tau | 1982 | University of Tennessee at Martin | Martin, Tennessee | Inactive | Inactive since 1996. | |
| Epsilon Upsilon | 1982 | University of California, Davis | Davis, California | Inactive | Inactive since 1986. | |
| Epsilon Phi | 1982 | Embry-Riddle Aeronautical University-Arizona | Prescott, Arizona | Inactive | Inactive since 2012. | |
| Epsilon Chi | 1983 | University of San Diego | San Diego, California | Active | Inactive from 1995-2016. | |
| Epsilon Psi | 1983 | Widener University | Chester, Pennsylvania | Inactive | Inactive since 2002. | |
| Epsilon Omega | 1983 | State University of New York at Potsdam | Potsdam, New York | Inactive | Inactive since 2008. | |
| Zeta Alpha | 1984 | West Chester University | West Chester, Pennsylvania | Active | | |
| Zeta Beta | 1984 | Embry-Riddle Aeronautical University-Florida | Daytona Beach, Florida | Inactive | Charter revoked in 2009 | |
| Zeta Gamma | 1984 | Millersville University | Millersville, Pennsylvania | Inactive | Founded as Sigma Epsilon Beta local fraternity in 1966 then merged with Mu Alpha Kappa local fraternity in 1983. Inactive since 2011. | |
| Zeta Delta | 1984 | University of Colorado | Boulder, Colorado | Active | Inactive from 1986–1998. | |
| Zeta Epsilon | 1984 | Michigan Technological University | Houghton, Michigan | Active | Northernmost chapter, and snowiest | |
| Zeta Zeta | 1984 | University of Florida | Gainesville, Florida | Inactive | Inactive 1998–2005, and since 2012. | |
| Zeta Eta | 1985 | Santa Clara University | Santa Clara, California | Active | | |
| Zeta Theta | 1985 | SUNY Plattsburgh | Plattsburgh, New York | Inactive | Inactive since 2001 | |
| Zeta Iota | 1985 | University of Western Ontario | London, Ontario | Inactive | Inactive since 1999 | |
| Zeta Kappa | 1985 | California State University, Bakersfield | Bakersfield, California | Inactive | Inactive since 1998 | |
| Zeta Lambda | 1985 | University of Southern California | Los Angeles, California | Inactive | Inactive since 2001 | |
| Zeta Mu | 1985 | Michigan State University | East Lansing, Michigan | Active | Inactive from 1995–1999. | |
| Zeta Nu | 1985 | Villanova University | Philadelphia, Pennsylvania | Inactive | Inactive since 2007 | |
| Zeta Xi | 1985 | Southeastern Oklahoma State University | Durant, Oklahoma | Inactive | Inactive since 1986 | |
| Zeta Omicron | 1986 | Lawrence Technological University | Southfield, Michigan | Inactive | Inactive since 2022 | |
| Zeta Pi | 1986 | Oakland University | Rochester, Michigan | Active | Founded as Omega Nu Pi Local Fraternity. Became a Lambda Chi Alpha Colony, until Lambda Chi Alpha closed expansion. Then became a Sigma Pi Colony. | $^{:7}$ |
| Zeta Rho | 1985 | Edinboro University of Pennsylvania | Edinboro, Pennsylvania | Inactive | Inactive since 2000. | $^{:7}$ |
| Zeta Sigma | 1986 | North Carolina Wesleyan College | Rocky Mount, North Carolina | Inactive | Founded as Pi Kappa Omega local fraternity in 1979. Inactive since 2003 | $^{:6}$ |
| Zeta Tau | 1987 | University of Northern Colorado | Greeley, Colorado | Inactive | Inactive since 2008. | |
| Zeta Upsilon | 1987 | University of California, San Diego | San Diego, California | Inactive | Inactive since 1996 | |
| Zeta Phi | 1987 | Southeastern Louisiana University | Hammond, Louisiana | Inactive | Inactive since 1994 | |
| Zeta Chi | 1988 | Rowan University | Glassboro, New Jersey | Active | | |
| Zeta Psi | 1988 | West Virginia University | Morgantown, West Virginia | Inactive | Inactive since 1991. | |
| Zeta Omega | 1988 | University of Nevada, Reno | Reno, Nevada | Inactive | Inactive since 1996. | |
| Eta Alpha | 1988 | California State University-Sacramento | Sacramento, California | Inactive | Inactive since 2013. | |
| Eta Beta | 1988 | Southern Connecticut State University | New Haven, Connecticut | Inactive | Founded as Beta Mu Sigma in 1961. Inactive since 1999. | |
| Eta Gamma | 1988 | Hofstra University | Long Island, New York | Inactive | Inactive since 2016. | |
| Eta Delta | 1988 | California Polytechnic State University | San Luis Obispo, California | Active | Inactive 1999–2008. | |
| Eta Epsilon | 1988 | Florida State University | Tallahassee, Florida | Inactive | Inactive 2001–2008, and since 2022. | |
| Eta Zeta | 1989 | Western Connecticut State University | Danbury, Connecticut | Inactive | Founded as Chi Epsilon Sigma in 1966. Inactive since 1995. | |
| Eta Eta | 1989 | Bridgewater State University | Bridgewater, Massachusetts | Active | Founded as Delta Pi local fraternity in 1987. | |
| Eta Theta | 1989 | York College of Pennsylvania | York, Pennsylvania | Inactive | Founded as Zeta Phi Omicron local fraternity in 1984. Inactive since 2009. | |
| Eta Iota | 1989 | California State University-Dominguez Hills | Carson, California | Active | | |
| Eta Kappa | 1990 | East Carolina University | Greenville, North Carolina | Active | Formed as a local fraternity in 1987. Inactive from 2009 to 2017. | |
| Eta Lambda | 1990 | University at Albany, SUNY | Albany, New York | Inactive | Inactive since 1999. | |
| Eta Mu | 1990 | Missouri Southern State University | Joplin, Missouri | Inactive | Inactive since 2018. | |
| Eta Nu | 1990 | Towson University | Towson, Maryland | Active | Inactive from 2013 to 2018. Re-chartered in 2020. | |
| Eta Omicron | 1991 | University of Toronto | Toronto, Ontario | Inactive | Inactive since 2015. | |
| Eta Pi | 1991 | Kutztown University of Pennsylvania | Kutztown, Pennsylvania | Inactive | Inactive since 2014 | |
| Eta Rho | 1992 | Carleton University | Ottawa, Ontario | Inactive | Inactive since 2022. | |
| Eta Sigma | 1993 | Colorado State University | Fort Collins, Colorado | Active | Inactive 2004–2014. | |
| Eta Tau | 1994 | Fitchburg State College | Fitchburg, Massachusetts | Active | | |
| Eta Upsilon | 1995 | University of California, Irvine | Irvine, California | Active | | |
| Eta Phi | 1995 | Miami University | Oxford, Ohio | Active | | |
| Eta Chi | 1995 | DePaul University | Chicago, Illinois | Inactive | Founded as Tau Delta Rho in 1919. Inactive since 1996. | |
| Eta Psi | 1996 | Clemson University | Clemson, South Carolina | Inactive | Inactive since 2016. | |
| Eta Omega | 1996 | Johnson & Wales University | Providence, Rhode Island | Inactive | Inactive since 2014. | |
| Theta Alpha | 1997 | Clarion University | Clarion, Pennsylvania | Inactive | Inactive since 2005. | |
| Theta Beta | 1997 | Saginaw Valley State University | University Center, Michigan | Active | | |
| Theta Gamma | 1998 | University of West Alabama | Livingston, Alabama | Active | | |
| Theta Delta | 2000 | The College of New Jersey | Ewing, New Jersey | Active | | |
| Theta Epsilon | 2001 | Indiana University of Pennsylvania | Indiana, Pennsylvania | Active | | |
| Theta Zeta | 2001 | Lynchburg College | Lynchburg, Virginia | Inactive | Founded as Delta Lambda Chi in 2000. Inactive since 2006. | |
| Theta Eta | 2003 | Old Dominion University | Norfolk, Virginia | Active | | |
| Theta Theta | 2003 | Ferris State University | Big Rapids, Michigan | Active | | |
| Theta Iota | 2003 | Penn State Altoona | Altoona, Pennsylvania | Active | | |
| Theta Kappa | 2003 | Texas Tech University | Lubbock, Texas | Inactive | Inactive since 2010. | |
| Theta Lambda | 2003 | Radford University | Radford, Virginia | Active | | |
| Theta Mu | 2003 | California State University, Chico | Chico, California | Active | Founded as Phi Nu Chi local fraternity on March 31, 2000. | |
| Theta Nu | 2003 | University of Houston | Houston, Texas | Active | | |
| Theta Xi | 2004 | Salisbury University | Salisbury, Maryland | Active | | |
| Theta Omicron | 2004 | University of Alabama | Tuscaloosa, Alabama | Active | | |
| Theta Pi | 2005 | University of Arizona | Tucson, Arizona | Inactive | Inactive since 2009 | |
| Theta Rho | 2005 | Grand Valley State University | Allendale, Michigan | Active | | |
| Theta Sigma | 2005 | Ursinus College | Collegeville, Pennsylvania | Active | | |
| Theta Tau | 2005 | William Paterson University | Wayne, New Jersey | Active | | |
| Theta Upsilon | 2006 | Texas State University | San Marcos, Texas | Inactive | Inactive since 2010. | |
| Theta Phi | 2007 | Pennsylvania College of Technology | Williamsport, Pennsylvania | Active | | |
| Theta Chi | 2007 | Saint Joseph's University | Philadelphia, Pennsylvania | Inactive | Inactive since 2019. | |
| Theta Psi | 2007 | University of Southern Indiana | Evansville, Indiana | Active | | |
| Theta Omega | 2007 | Middle Tennessee State University | Murfreesboro, Tennessee | Active | | |
| Iota Alpha | 2007 | Kansas State University | Manhattan, Kansas | Inactive | Inactive since 2015. | |
| Iota Beta | 2007 | University of Delaware | Newark, Delaware | Active | Inactive 2017–2022. | |
| Iota Gamma | 2007 | Texas A&M University | College Station, Texas | Inactive | Inactive since 2012. | |
| Iota Delta | 2007 | University of Texas at San Antonio | San Antonio, Texas | Active | | |
| Iota Epsilon | 2007 | University of Oregon | Eugene, Oregon | Inactive | Inactive since 2015. | |
| Iota Zeta | 2008 | University of Minnesota | Minneapolis, Minnesota | Active | | |
| Iota Eta | 2009 | University of California, Santa Cruz | Santa Cruz, California | Active | | |
| Iota Theta | 2009 | Bentley University | Waltham, Massachusetts | Active | | |
| Iota Iota | 2009 | Montclair State University | Montclair, New Jersey | Active | | |
| Iota Kappa | 2009 | University of Central Florida | Orlando, Florida | Active | | |
| Iota Lambda | 2009 | Arkansas Tech University | Russellville, Arkansas | Active | | |
| Iota Mu | 2009 | Georgia Institute of Technology | Atlanta, Georgia | Inactive | Disbanded May 2017 due to lack of members. | |
| Iota Nu | 2010 | Washington State University | Pullman, Washington | Active | | |
| Iota Xi | 2012 | Duke University | Durham, North Carolina | Inactive | Inactive since 2016. | |
| Iota Omicron | 2012 | University of Louisville | Louisville, Kentucky | Inactive | Inactive since 2022 | |
| Iota Pi | 2013 | Oklahoma State University | Stillwater, Oklahoma | Inactive | Inactive since 2017 | |
| Iota Rho | 2014 | Keene State College | Keene, New Hampshire | Active | | |
| Iota Sigma | 2015 | University of South Florida | Tampa, Florida | Active | | |
| Iota Tau | 2015 | St. John's University | Queens, New York | Active | | |
| Iota Upsilon | 2016 | Stockton University | Galloway Township, New Jersey | Active | | |
| Iota Phi | 2018 | Fairleigh Dickinson University - Florham | Florham Park, New Jersey | Active | | |
| Iota Chi | | Coastal Carolina University | Conway, South Carolina | Colony | | |
| Iota Psi | | Kennesaw State University | Kennesaw, Georgia | Colony | | |
| Colony | | Pfeiffer University | Misenheimer, North Carolina | Colony | | |
| Colony | | Montana State University | Bozeman, Montana | Colony | | |
| Colony | | Plymouth State University | Plymouth, New Hampshire | Colony | | |
| Colony | | University of Maine | Orono, Maine | Colony | | |

## Statistics

Original Charters by Decade
| Decade | Total Charters |
| 1890-1899 | 1 |
| 1900-1909 | 4 |
| 1910-1919 | 9 |
| 1920-1929 | 14 |
| 1930-1939 | 7 |
| 1940-1949 | 13 |
| 1950-1959 | 15 |
| 1960-1969 | 39 |
| 1970-1979 | 28 |
| 1980-1989 | 42 |
| 1990-1999 | 18 |
| 2000-2009 | 33 |
| 2010-current | 9 |
Charters by State or Province
There have never been Sigma Pi chapters in the states of Alaska, Hawaii, Idaho, Maine, Montana, Nebraska, North Dakota, South Dakota, Vermont, Wyoming, or the District of Columbia. All of the fraternity's Canadian chapters have been in the province of Ontario.
| State | Total |
| Alabama | 4 |
| Arizona | 4 |
| Arkansas | 4 |
| California | 22 |
| Colorado | 4 |
| Connecticut | 3 |
| Delaware | 1 |
| Florida | 6 |
| Georgia | 7 |
| Illinois | 10 |
| Indiana | 9 |
| Iowa | 3 |
| Kansas | 3 |
| Kentucky | 5 |
| Louisiana | 5 |
| Maryland | 3 |
| Massachusetts | 4 |
| Michigan | 13 |
| Minnesota | 1 |
| Mississippi | 2 |
| Missouri | 8 |
| Nevada | 1 |
| New Hampshire | 1 |
| New Jersey | 11 |
| New Mexico | 1 |
| New York | 11 |
| North Carolina | 8 |
| Ohio | 8 |
| Oklahoma | 2 |
| Ontario | 3 |
| Oregon | 2 |
| Pennsylvania | 25 |
| Rhoda Island | 2 |
| South Carolina | 1 |
| Tennessee | 2 |
| Texas | 7 |
| Utah | 3 |
| Virginia | 8 |
| Washington | 2 |
| West Virginia | 4 |
| Wisconsin | 9 |