Alpha Sigma Tau is an American collegiate sorority. It was established at Michigan State Normal College (now Eastern Michigan University) on November 4, 1899. In the following chapter list, active chapters are indicated in bold and inactive chapters and institutions are in italics.

Chapter Charter date and range Institution Location Status Alpha – 1977; 1987–2020; September 1, 2022 Eastern Michigan University Ypsilanti, Michigan Active Beta – 1917; June 8, 1940 Central Michigan University Mount Pleasant, Michigan Active Gamma – 1913 University of Wisconsin–Milwaukee Milwaukee, Wisconsin Inactive Delta – 1919; March 17, 1928 Indiana University of Pennsylvania Indiana, Pennsylvania Active Epsilon (see Lambda) – 1923 Temple UniversityPhiladelphia, Pennsylvania Reestablished Zeta Commonwealth University-Lock Haven Lock Haven, Pennsylvania Active Iota – 1989; December 4, 2010 – 2015 Emporia State University Emporia, Kansas Inactive Theta – 19xx ?; February 25, 1968 – 1985 Wayne State University Detroit, Michigan Inactive Kappa – 1929 Miami University Oxford, Ohio Inactive Lambda (see Epsilon) – 1956 Temple University Philadelphia, Pennsylvania Inactive Sigma – 1954; April 7, 1979 – 2020 State University College at Buffalo Buffalo, New York Inactive Eta – 1939 Kent State University Kent, Ohio Inactive Mu Unassigned Nu – 1946; May 15, 1948 – 1969 University of Northern Colorado Greeley, Colorado Inactive Xi – 1933 Western Colorado University Gunnison, Colorado Inactive Omicron – 1975; 19xx ?– February 21, 2023 Concord University Athens, West Virginia Inactive Pi – 1976 Harris–Stowe State University St. Louis, Missouri Inactive Rho Southeastern Oklahoma State University Durant, Oklahoma Active Tau Unassigned A Greekchat note listing chapters, says that the Longwood chapter would have used the Tau designation had it not been granted Zeta Tau as a chapter name. Later, Tau would become one of three first series chapter names that remained unused. Upsilon University of Central Arkansas Conway, Arkansas Active Zeta Tau Longwood University Farmville, Virginia Active Phi Southeastern Louisiana University Hammond, Louisiana Active Chi – c. 1973; September 12, 1992 Shepherd University Shepherdstown, West Virginia Active Psi James Madison University Harrisonburg, Virginia Active Omega – 1954 Minot State University Minot, North Dakota Inactive Alpha Alpha – 1972 Ball State University Muncie, Indiana Inactive Alpha Gamma Henderson State University Arkadelphia, Arkansas Active Alpha Beta – 1959 Marshall University Huntington, West Virginia Inactive Alpha Delta – 1970 Missouri State University Springfield, Missouri Inactive Alpha Epsilon – 2021 Western Illinois University Macomb, Illinois Inactive Alpha Lambda Radford University Radford, Virginia Active Alpha Zeta – 1971 Queens College, City University of New York New York City, New York Inactive Alpha Eta – 1971 Alma College Alma, Michigan Inactive Alpha Theta – 1974 University of Detroit Mercy Detroit, Michigan Inactive Alpha Omega – 1972 Brooklyn College Brooklyn, New York City, New York Inactive Alpha Iota – 1972 Syracuse University Syracuse, New York Inactive Alpha Kappa – 1983 Marietta College Marietta, Ohio Inactive Alpha Mu – 2014 University of Arkansas at Monticello Monticello, Arkansas Inactive Alpha Nu – 1973; March 10, 1979 – 1983 University of Central Missouri Warrensburg, Missouri Inactive Alpha Xi Commonwealth University-Mansfield Mansfield, Pennsylvania Active Alpha Omicron – December 18, 2015 Clarion University of Pennsylvania Clarion, Pennsylvania Inactive Alpha Pi Slippery Rock University Slippery Rock, Pennsylvania Active Alpha Rho – 1975; April 28, 1990 – 199x ? Youngstown State University Youngstown, Ohio Inactive Alpha Sigma – 1977 Truman State University Kirksville, Missouri Inactive Alpha Chi – 1978 Northeastern University Boston, Massachusetts Inactive Alpha Tau – February 21, 2023 PennWest Edinboro Edinboro, Pennsylvania Inactive Alpha Upsilon – 1971 Bryant University Smithfield, Rhode Island Inactive Alpha Phi West Chester University West Chester, Pennsylvania Active Alpha Psi – 1971; November 12, 2016 University of Northern Iowa Cedar Falls, Iowa Active Beta Alpha Salem College Salem, West Virginia Never chartered Beta Beta – 1980 Widener University Chester, Pennsylvania Inactive Beta Gamma University of New HavenWest Haven, Connecticut Never chartered Beta Zeta – 1994 University of Alabama at Birmingham Birmingham, Alabama Inactive Beta Epsilon – 2023 Shippensburg University of Pennsylvania Shippensburg, Pennsylvania Inactive Beta Delta Duquesne University Pittsburgh, Pennsylvania Active Beta Eta Southern Illinois University Edwardsville Edwardsville, Illinois Active Beta Tau University of Massachusetts Lowell Lowell, Massachusetts Active Beta Theta St. Mary's University, Texas San Antonio, Texas Active Beta Iota Millersville University of Pennsylvania Millersville, Pennsylvania Active Beta Kappa American International College Springfield, Massachusetts Never chartered Beta Mu Salisbury University Salisbury, Maryland Active Beta Lambda – 1982 University of Texas at San Antonio San Antonio, Texas Inactive Beta Nu – 2020 Bloomsburg University of Pennsylvania Bloomsburg, Pennsylvania Inactive Beta Xi Michigan Technological University Houghton, Michigan Active Beta Omicron – 1981 University of Wisconsin–Green Bay Green Bay, Wisconsin Inactive Beta Pi Eastern Illinois University Charleston, Illinois Active Beta Rho – 1986; November 23, 2013 Arkansas Tech University Russellville, Arkansas Active Beta Sigma Northeastern State University Tahlequah, Oklahoma Never chartered Beta Upsilon New Jersey Institute of Technology Newark, New Jersey Active Beta Phi Pennsylvania Western University, California California, Pennsylvania Active Beta Psi – 1997 Saint Louis University St. Louis, Missouri Inactive Beta Chi Ferris State University Big Rapids, Michigan Active Gamma Alpha – 1994 University of Rio Grande Rio Grande, Ohio Inactive Beta Omega Monmouth University West Long Branch, New Jersey Active Gamma Delta – 199x ?; April 14, 1999 University of Massachusetts Dartmouth Dartmouth, Massachusetts Active Gamma Beta – 1992 Lake Superior State University Sault Ste. Marie, Michigan Inactive Gamma Gamma University of West Alabama Livingston, Alabama Active Gamma Epsilon – 2024 State University of New York at Potsdam Potsdam, New York Inactive Gamma Zeta Frostburg State University Frostburg, Maryland Active Gamma Theta Penn State Erie, The Behrend College Erie, Pennsylvania Active Gamma Eta – 1995 Northwood University, Texas Campus Fort Worth, Texas Inactive Gamma Iota – September 29, 2017; 2023 York College of Pennsylvania Spring Garden Township, Pennsylvania Active Gamma Kappa Averett University Danville, Virginia Never chartered Gamma Lambda Kutztown University of Pennsylvania Kutztown, Pennsylvania Active Gamma Mu – 2019 West Virginia University Institute of Technology Beckley, West Virginia Inactive Gamma Chi – October 16, 2015 William Paterson University Wayne, New Jersey Inactive Gamma Nu – 1999 Waynesburg University Waynesburg, Pennsylvania Inactive Gamma Xi Grand Valley State University Allendale, Michigan Active Gamma Omicron Cameron University Lawton, Oklahoma Never chartered Gamma Pi Lycoming College Williamsport, Pennsylvania Active Gamma Rho – 2024 Seton Hall University South Orange, New Jersey Inactive Gamma Psi – xxxx ?; September 10, 2025 Fitchburg State University Fitchburg, Massachusetts Active Gamma Sigma – 1999 Belmont Abbey College Belmont, North Carolina Inactive Gamma Tau Lebanon Valley College Annville, Pennsylvania Active Delta Alpha Gannon University Erie, Pennsylvania Active Gamma Omega La Salle University Philadelphia, Pennsylvania Active Gamma Upsilon California State University, Los Angeles Los Angeles, California Active Delta Beta – February 21, 2023 Fairmont State University Fairmont, West Virginia Inactive Delta Gamma – 1995 University of North Carolina at Pembroke Pembroke, North Carolina Inactive Delta Epsilon Marist University Poughkeepsie, New York Active Delta Delta University of Illinois Chicago Chicago, Illinois Active Delta Zeta East Stroudsburg University of Pennsylvania East Stroudsburg, Pennsylvania Active Delta Theta Moravian University Bethlehem, Pennsylvania Active Delta Eta Belmont University Nashville, Tennessee Active Delta Iota – 2024 Johnson & Wales University Providence, Rhode Island Inactive Delta Kappa Nicholls State University Thibodaux, Louisiana Never chartered Delta Lambda – 2013 Siena Heights University Adrian, Michigan Inactive Delta Mu – 2011; November 15, 2015 Cumberland University Lebanon, Tennessee Active Delta Nu – 2022 Beloit College Beloit, Wisconsin Inactive Delta Xi Valparaiso University Valparaiso, Indiana Never chartered Delta Omicron – 2010 North Carolina Wesleyan College Rocky Mount, North Carolina Inactive Delta Rho – 2022 Chowan University Murfreesboro, North Carolina Inactive Delta Sigma Saint Joseph's University Philadelphia, Pennsylvania Active Delta Pi Oglethorpe University Brookhaven, Georgia Active Gamma Phi – Merrimack College North Andover, Massachusetts Inactive Delta Tau Oakland University Oxford, Michigan Active Delta Upsilon Saint Leo University St. Leo, Florida Active Delta Phi New York University New York City, New York Active Delta Psi – 2021 Johnson & Wales University, Denver Campus Denver, Colorado Inactive Delta Chi – 2012 Christian Brothers University Memphis, Tennessee Inactive Epsilon Alpha Embry–Riddle Aeronautical University, Prescott Prescott, Arizona Active Epsilon Gamma Georgia Southern University–Armstrong Campus Savannah, Georgia Active Epsilon Delta Rogers State University Claremore, Oklahoma Active Epsilon Beta University of Texas Rio Grande Valley Edinburg, Texas Active Delta Omega – 2021 Penn State Altoona Logan Township, Pennsylvania Inactive Epsilon Zeta – 2019 University of Virginia's College at Wise Wise County, Virginia Inactive Epsilon Epsilon – 2020 Johnson & Wales University, North Miami Campus North Miami, Florida Inactive Epsilon Theta Fairleigh Dickinson University Teaneck, New Jersey Active Epsilon Eta University of the Incarnate Word San Antonio, Texas Active Epsilon Iota – 2024 New York Institute of Technology New York City, New York Inactive Epsilon Kappa Trine University Angola, Indiana Active Epsilon Lambda Indiana University South Bend South Bend, Indiana Active Epsilon Mu University at Buffalo Buffalo, New York Active Epsilon Nu McDaniel College Westminster, Maryland Active Epsilon Xi Gustavus Adolphus College St. Peter, Minnesota Active Epsilon Omicron University of Southern Indiana Evansville, Indiana Active Epsilon Pi Rhode Island College Providence, Rhode Island Active Epsilon Rho State University of New York at Geneseo Geneseo, New York Active Epsilon Sigma Bridgewater State University Bridgewater, Massachusetts Active Epsilon Tau - 2026 Kenyon College Gambier, Ohio Inactive Epsilon Upsilon Dalton State College Dalton, Georgia Active Epsilon Phi Winona State University Winona, Minnesota Active Epsilon Chi University of Minnesota Duluth Duluth, Minnesota Active Epsilon Psi Rowan University Glassboro, New Jersey Active Epsilon Omega Iona University New Rochelle, New York Active

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