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^[1]

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.	[2]
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.[3] Inactive since 2016.	[4]
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	[5][6]
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.	[7][8]
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.	[9][10]
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	[11]
Zeta	June 1, 1912	Ohio Northern University	Ada, Ohio	Active	Founded as Phi Chi Psi local fraternity in 1909.	[12]
Eta	1912	Purdue University	West Lafayette, Indiana	Active	Oldest chapter in continuous existence. Founded as the Minuet Club in 1898.	[13]
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.	[14]
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.	[15][16]
Lambda	1916	Kenyon College	Gambier, Ohio	Inactive	Founded as Phi Gamma Phi local fraternity on June 1, 1915. Inactive since 1970.	[17][18]
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.	[19]
Nu	1918	Franklin & Marshall College	Lancaster, Pennsylvania	Inactive	Third oldest chapter in continuous existence. Founded as the Franklin Club in 1897.	[20]
Xi	1918	University of Iowa	Iowa City, Iowa	Active	Founded as Pi Omicron local fraternity in 1913. Inactive 1938–1961 and 1992–2005.	[21]
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.	[22]
Pi	1920	University of Utah	Salt Lake City, Utah	Inactive	Founded as the Sphinx local fraternity. Inactive since 1976.	[23]
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.	[24]
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.	[25]
Tau	1922	University of Wisconsin–Madison	Madison, Wisconsin	Active	Founded as Alif Mim local fraternity in November of 1920. Inactive 1932–2005.	[26]
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.	[27][28]
Chi	1923	University of Pittsburgh	Pittsburgh, Pennsylvania	Inactive	Founded as Delta Upsilon Kappa local fraternity. Inactive from 1932 to 1948, and since 1960.	[29]
Psi	1923	Emory University	Atlanta, Georgia	Inactive	Founded as Beta Pi local fraternity in October of 1921. Inactive since 1959.	[30]
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.	[31]
Beta	1924	Indiana University	Bloomington, Indiana	Inactive	Founded as Kappa Chi local fraternity in 1923. Inactive during World War II and since 2021.	[32]
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.	[33]
Alpha Gamma	1926	University of Washington	Seattle, Washington	Inactive	Founded as Sigma Theta local fraternity in the spring of 1922. Inactive since 1991.	[34]
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.	[35]
Alpha Epsilon	1927	Mercer University	Macon, Georgia	Inactive	Founded as Gamma Alpha local fraternity in November 1923. Inactive since 1940	[36]
Alpha Zeta	1930	St. Lawrence University	Canton, New York	Inactive	Founded as Delta Tau Phi local Fraternity. Inactive since 2001	[37]
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.	[38]
Alpha Theta	1931	Beloit College	Beloit, Wisconsin	Inactive	Inactive since 1979	[39]
Alpha Iota	1933	University of Missouri-Rolla	Rolla, Missouri	Active	Founded as The Prospector Club in 1913. Inactive during World War II.	[40]
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.	[41]
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.	[42]
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.	[43][44]
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	[45]
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.	[46]
Alpha Pi	1948	Arkansas State University	Jonesboro, Arkansas	Inactive	Founded as Zeta Tau Zeta local fraternity in 1937. Inactive since 2022.	[47]
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.	[48]
Alpha Sigma	1948	University of Arkansas	Fayetteville, Arkansas	Active	Inactive 1977–2008.	[49]
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	[50]
Alpha Phi	1948	University of Georgia	Athens, Georgia	Active	Inactive 1974–1981 and 1987–1992 (Colony 1990–92)	[51]
Alpha Chi	1949	University of Maryland, College Park	College Park, Maryland	Inactive	Inactive 1993–2007 and since 2010.	[52]
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.	[16]
Beta Gamma	1949	Eastern Illinois University	Charleston, Illinois	Active	Founded as Chi Rho local fraternity on September 15, 1947. Inactive 1959-1963.	[53][54]
Beta Delta	1950	University of Kansas	Lawrence, Kansas	Active	Inactive 1962–2012	[55]
Beta Epsilon	1950	Syracuse University	Syracuse, New York	Inactive	Founded as Club 200 local fraternity in the fall of 1946. Inactive since 1953	[56]
Beta Zeta	1950	University of Miami	Miami, Florida	Inactive	Inactive since 1953	[57]
Beta Eta	1950	San Jose State University	San Jose, California	Inactive	Inactive 1977–1993, Inactive since 2015 due to hazing	[58]
Beta Theta	1950	Drexel University	Philadelphia, Pennsylvania	Inactive	Founded as Phi Tau Delta local fraternity on March 15, 1948. Inactive since 2003.	[59]
Beta Iota	1951	Northern Arizona University	Flagstaff, Arizona	Active	Founded as the first Fraternity on campus. Inactive 1991-2017	[60]
Beta Kappa	1951	Arizona State University	Tempe, Arizona	Active	Inactive 1965–1985, 1995–2003, and 2011–2016	[61]
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	[62]
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.	[63]
Beta Omicron	1955	California State University-Long Beach	Long Beach, California	Active	Founded as Tau Upsilon Rho local fraternity on September 10, 1949.	[64]
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)[65]	[66]
Beta Rho	1959	Atlantic Christian College	Wilson, North Carolina	Inactive	Founded as Phi Delta Gamma local fraternity in 1937. Inactive since 1982.	[67]
Beta Sigma	1959	Northern Illinois University	DeKalb, Illinois	Inactive	Founded as Alpha Psi Epsilon local fraternity on June 7, 1954. Inactive since 2012.	[68]
Beta Tau	1960	Valparaiso University	Valparaiso, Indiana	Active	Founded as Omega Chi Beta local fraternity on December 10, 1946.	[69]
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.	[70]
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.	[71]
Beta Psi	1961	East Stroudsburg University	East Stroudsburg, Pennsylvania	Active	Inactive from 2006 to 2011.	[72]
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.	[73]: 14
Gamma Alpha	1962	University of Detroit-Mercy	Detroit, Michigan	Active		[74]
Gamma Beta	1962	Eastern Michigan University	Ypsilanti, Michigan	Inactive	Inactive 1972–2006.	[75]
Gamma Gamma	1962	University of Central Missouri	Warrensburg, Missouri	Active		[76]
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.	[73]: 8
Gamma Eta	1964	Rutgers University	New Brunswick, New Jersey	Active	Rechartered in 2011	[77]
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.	[78]
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.	[78]
Gamma Theta	1965	University of Texas	Austin, Texas	Inactive	Inactive 1972–1999 and since 2019.	[79]
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.	[80]
Gamma Iota	1965	Worcester Polytechnic Institute	Worcester, Massachusetts	Active	Founded as Psi Theta Nu local fraternity in 1961.	[81]
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.	[82]
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.	[83]
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	[84]
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.	[85]
Gamma Sigma	1967	University of Missouri–Columbia	Columbia, Missouri	Inactive	Inactive 1990–1996 and since 2018.	[86]
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.	[73]: 12 [87]: 50–52
Gamma Upsilon	1968	Murray State University	Murray, Kentucky	Active		[88]
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.	[87]: 62–65
Gamma Phi	1968	University of Wisconsin-Whitewater	Whitewater, Wisconsin	Inactive	Founded as the Lancer Brotherhood local fraternity in 1965. Inactive since 1977.	[87]: 62–65
Gamma Chi	1968	Quinnipiac University	Hamden, Connecticut	Inactive	Founded as Kappa Alpha Psi local fraternity in May 1966. Inactive since 1972.	[87]: 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.	[89]: 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.	[90]
Delta Alpha	1969	Central Michigan University	Mount Pleasant, Michigan	Active	Inactive 2008–2012.	[91]
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.	[89]: 9 [92]
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.	[89]: 13 [93]
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.	[94][95]
Delta Eta	1969	Youngstown State University	Youngstown, Ohio	Inactive	Founded as Theta Tau local fraternity on March 18, 1968.	[96]
Delta Theta	1970	Texas A&M-Corpus Christi	Corpus Christi, Texas	Inactive	Founded as Phi Upsilon Pi local fraternity in 1965.	[97]
Delta Iota	1970	University of Wisconsin–Platteville	Platteville, Wisconsin	Active	Founded as Delta Chi Epsilon local fraternity in 1965.	[98][99]: 62
Delta Lambda	1970	Louisiana Tech University	Ruston, Louisiana	Inactive	Inactive 1989–2001 and since 2017.	[100]
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.	[91][99]: 67
Delta Pi	1970	Bloomsburg University of Pennsylvania	Bloomsburg, Pennsylvania	Inactive	Founded as Delta Pi local fraternity in 1967. Inactive since 2002.	[99]: 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.	[101]: 158
Delta Xi	1970	Southern Utah University	Cedar City, Utah	Inactive	Founded as Gamma Psi Upsilon local fraternity in December 1948. Inactive since 1999.	[101]: 142
Delta Rho	1971	Morehead State University	Morehead, Kentucky	Active		[102]
Delta Tau	1971	Indiana University-South Bend	South Bend, Indiana	Inactive	Founded as Phi Delta local fraternity on April 24, 1970. Inactive since 2009.	[103]: 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.	[103]: 10 [104]
Delta Phi	1971	University of Wisconsin-La Crosse	La Crosse, Wisconsin	Inactive	Founded as Beta Sigma Chi local fraternity in 1934.	[105]
Delta Psi	1971	Troy State University	Troy, Alabama	Inactive	Founded as Sigma Alpha local fraternity in 1968. Inactive since 2001.	[105]
Delta Omega	1972	Southern Illinois University Edwardsville	Edwardsville, Illinois	Inactive	Founded as Pi Delta Alpha local fraternity on January 9, 1971. Inactive since 2018.	[106]
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.	[107]
Epsilon Beta	1973	University of Kentucky	Lexington, Kentucky	Active	Inactive from 2011 to 2017.	[108]
Epsilon Gamma	1975	Illinois Wesleyan University	Bloomington, Illinois	Inactive	Founded as Zeta Epsilon local fraternity in 1969. Inactive since 2012.	[109]
Epsilon Delta	1976	Columbus State University	Columbus, Georgia	Inactive	Founded as Sigma Pi Upsilon in 1974. Inactive since 1987.	[110]
Epsilon Epsilon	1976	Emporia State University	Emporia, Kansas	Inactive	Inactive since 2020.	[111]
Epsilon Zeta	1976	Western Illinois University	Macomb, Illinois	Active		[112]
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.	[113]
Epsilon Iota	1977	California State University, Northridge	Los Angeles, California	Inactive	Inactive since 1997.
Epsilon Kappa	1977	Southern Arkansas University	Magnolia, Arkansas	Active		[114]
Epsilon Lambda	1978	Eastern Kentucky University	Richmond, Kentucky	Active		[115]
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.	[60]
Epsilon Xi	1979	Fairleigh Dickinson University	Rutherford, New Jersey	Active	Inactive 1994–2005.	[116]
Epsilon Omicron	1979	SUNY Buffalo	Buffalo, New York	Inactive	Inactive since 2020.	[117]
Epsilon Pi	1981	Christopher Newport University	Newport News, Virginia	Inactive	Inactive since 2007.
Epsilon Rho	1982	Drury University	Springfield, Missouri	Active		[118]
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.	[119]
Epsilon Chi	1983	University of San Diego	San Diego, California	Active	Inactive from 1995-2016.	[120]
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		[121]
Zeta Beta	1984	Embry-Riddle Aeronautical University-Florida	Daytona Beach, Florida	Inactive	Charter revoked in 2009	[122]
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.	[123]
Zeta Delta	1984	University of Colorado	Boulder, Colorado	Active	Inactive from 1986–1998.	[124][125]
Zeta Epsilon	1984	Michigan Technological University	Houghton, Michigan	Active	Northernmost chapter, and snowiest	[126]
Zeta Zeta	1984	University of Florida	Gainesville, Florida	Inactive	Inactive 1998–2005, and since 2012.	[127]
Zeta Eta	1985	Santa Clara University	Santa Clara, California	Active		[128]
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	[129]
Zeta Mu	1985	Michigan State University	East Lansing, Michigan	Active	Inactive from 1995–1999.	[130]
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	[131]
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.	[132]: 7
Zeta Rho	1985	Edinboro University of Pennsylvania	Edinboro, Pennsylvania	Inactive	Inactive since 2000.	[132]: 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	[132]: 6
Zeta Tau	1987	University of Northern Colorado	Greeley, Colorado	Inactive	Inactive since 2008.	[133]
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		[134]
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.	[135]
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.	[136]
Eta Delta	1988	California Polytechnic State University	San Luis Obispo, California	Active	Inactive 1999–2008.	[137]
Eta Epsilon	1988	Florida State University	Tallahassee, Florida	Inactive	Inactive 2001–2008, and since 2022.	[138]
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.	[139]
Eta Theta	1989	York College of Pennsylvania	York, Pennsylvania	Inactive	Founded as Zeta Phi Omicron local fraternity in 1984. Inactive since 2009.	[140]
Eta Iota	1989	California State University-Dominguez Hills	Carson, California	Active		[141]
Eta Kappa	1990	East Carolina University	Greenville, North Carolina	Active	Formed as a local fraternity in 1987. Inactive from 2009 to 2017.	[60]
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.	[142]
Eta Nu	1990	Towson University	Towson, Maryland	Active	Inactive from 2013 to 2018. Re-chartered in 2020.	[143]
Eta Omicron	1991	University of Toronto	Toronto, Ontario	Inactive	Inactive since 2015.	[144]
Eta Pi	1991	Kutztown University of Pennsylvania	Kutztown, Pennsylvania	Inactive	Inactive since 2014	[145]
Eta Rho	1992	Carleton University	Ottawa, Ontario	Inactive	Inactive since 2022.	[146]
Eta Sigma	1993	Colorado State University	Fort Collins, Colorado	Active	Inactive 2004–2014.	[60]
Eta Tau	1994	Fitchburg State College	Fitchburg, Massachusetts	Active		[147]
Eta Upsilon	1995	University of California, Irvine	Irvine, California	Active		[148]
Eta Phi	1995	Miami University	Oxford, Ohio	Active		[149]
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.	[150]
Eta Omega	1996	Johnson & Wales University	Providence, Rhode Island	Inactive	Inactive since 2014.	[151]
Theta Alpha	1997	Clarion University	Clarion, Pennsylvania	Inactive	Inactive since 2005.
Theta Beta	1997	Saginaw Valley State University	University Center, Michigan	Active		[152]
Theta Gamma	1998	University of West Alabama	Livingston, Alabama	Active		[153]
Theta Delta	2000	The College of New Jersey	Ewing, New Jersey	Active		[154]
Theta Epsilon	2001	Indiana University of Pennsylvania	Indiana, Pennsylvania	Active		[155]
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		[156]
Theta Theta	2003	Ferris State University	Big Rapids, Michigan	Active		[157]
Theta Iota	2003	Penn State Altoona	Altoona, Pennsylvania	Active		[158]
Theta Kappa	2003	Texas Tech University	Lubbock, Texas	Inactive	Inactive since 2010.	[159]
Theta Lambda	2003	Radford University	Radford, Virginia	Active		[160]
Theta Mu	2003	California State University, Chico	Chico, California	Active	Founded as Phi Nu Chi local fraternity on March 31, 2000.	[161]
Theta Nu	2003	University of Houston	Houston, Texas	Active		[162]
Theta Xi	2004	Salisbury University	Salisbury, Maryland	Active		[163]
Theta Omicron	2004	University of Alabama	Tuscaloosa, Alabama	Active		[164]
Theta Pi	2005	University of Arizona	Tucson, Arizona	Inactive	Inactive since 2009
Theta Rho	2005	Grand Valley State University	Allendale, Michigan	Active		[165]
Theta Sigma	2005	Ursinus College	Collegeville, Pennsylvania	Active
Theta Tau	2005	William Paterson University	Wayne, New Jersey	Active		[166]
Theta Upsilon	2006	Texas State University	San Marcos, Texas	Inactive	Inactive since 2010.	[167]
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		[168]
Iota Alpha	2007	Kansas State University	Manhattan, Kansas	Inactive	Inactive since 2015.	[169]
Iota Beta	2007	University of Delaware	Newark, Delaware	Active	Inactive 2017–2022.	[170]
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		[171]
Iota Theta	2009	Bentley University	Waltham, Massachusetts	Active		[172]
Iota Iota	2009	Montclair State University	Montclair, New Jersey	Active		[173]
Iota Kappa	2009	University of Central Florida	Orlando, Florida	Active		[174]
Iota Lambda	2009	Arkansas Tech University	Russellville, Arkansas	Active		[175]
Iota Mu	2009	Georgia Institute of Technology	Atlanta, Georgia	Inactive	Disbanded May 2017 due to lack of members.	[176]
Iota Nu	2010	Washington State University	Pullman, Washington	Active		[177]
Iota Xi	2012	Duke University	Durham, North Carolina	Inactive	Inactive since 2016.	[178]
Iota Omicron	2012	University of Louisville	Louisville, Kentucky	Inactive	Inactive since 2022	[179]
Iota Pi	2013	Oklahoma State University	Stillwater, Oklahoma	Inactive	Inactive since 2017	[180]
Iota Rho	2014	Keene State College	Keene, New Hampshire	Active		[181][182]
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