| Chapter |
Charter date and range |
Institution or area served |
Location |
Status |
References |
| Alpha (Prime) |
April 10, 1987 – xxxx ? |
Washington, D.C. metropolitan area |
Washington, D.C. |
Active |
[5][6][7][8] |
| Beta |
April 1988– xxxx ?;
2007– 2020 |
University of California, Los Angeles |
Los Angeles, California |
Inactive |
[9][10][a] |
| Gamma |
1988– xxxx ?; 2007–20xx ? |
University of California, San Diego |
San Diego, California |
Inactive |
[11][6][7][12] |
| Delta |
September 1988–xxxx ?;
April 29, 2012 – 2019 |
University of Minnesota |
Minneapolis, Minnesota |
Inactive |
[11][13][7][14][6] |
| Epsilon |
198x ?–199x ? |
University of Maryland, College Park |
College Park, Maryland |
Inactive |
[15] |
| Zeta |
198x ?–1998, 2001-20xx ? |
San Francisco Metropolitan Area |
San Francisco, California |
Inactive |
[16][17][18] |
| Eta |
1989–xxxx ? |
University of Houston |
Houston, Texas |
Colony |
[19] |
| Theta |
|
|
|
Inactive |
|
| Iota |
1989–19xx ?; 2014 |
California State University, Sacramento |
Sacramento, California |
Active |
[20][6][21] |
| Kappa |
1989–xxxx ? |
Florida State University |
Tallahassee, Florida |
Inactive |
[19] |
| Lambda |
1990–199x ? |
University of California, Berkeley |
Berkeley, California |
Inactive |
[22][23][8][b] |
| Mu (First) |
February 13, 1990 – 19xx ? |
Las Vegas area |
Las Vegas, Nevada |
Inactive |
[7][24][25] |
| Mu (Second) |
19xx ?–xxxx ? |
University of Nevada, Las Vegas |
Paradise, Nevada |
Inactive |
[6][7] |
| Nu |
199x ?–1992 |
San Francisco State University |
San Francisco, California |
Inactive |
[6][7][26][c] |
| Xi |
April 1, 1990 – xxxx ?; 2008–20xx ?; 2013–20xx ? |
University of California, Davis |
Davis, California |
Inactive |
[6][7][27] |
| Omicron |
199x ?–xxxx ? |
San Jose State University |
San Jose, California |
Inactive |
[18][d] |
| Rho |
February 1991–20xx ? |
California State University, Long Beach |
Long Beach, California |
Inactive |
[7][28] |
| Sigma |
|
|
|
Inactive |
|
| Tau |
|
|
|
Inactive |
|
| Upsilon |
|
|
|
Inactive |
|
| Phi |
|
|
|
Inactive |
|
| Phi ? |
May 1991–xxxx ?; 2007–20xx ? |
University of Wisconsin–Madison |
Madison, Wisconsin |
Inactive |
[29][30][e] |
| Chi |
September 1991–20xx ?, 2013–2021 |
Michigan State University |
East Lansing, Michigan |
Inactive |
[31] |
| Psi |
199x ?–199x ?; 1999 |
University of Washington |
Seattle, Washington |
Active |
[32][33] |
| Omega |
December 1991–xxxx ?; September 2, 2006 |
University of Arizona |
Tucson, Arizona |
Active |
[34][35][36][37][f] |
| Alpha Alpha |
1992–xxxx ?, Fall 2006–20xx ? |
Arizona State University |
Tempe, Arizona |
Inactive |
[7][38] |
| Alpha Beta |
1991–199x ?, 1998–xxxx ? |
Purdue University |
West Lafayette, Indiana |
Inactive |
[6][7][18] |
| Alpha Gamma |
1992–xxxx ? |
Boise State University |
Boise, Idaho |
Inactive |
[39] |
| Alpha Delta |
1992–2020 |
San Diego area |
San Diego, California |
Inactive |
[40][41][g] |
| Alpha Epsilon |
19xx ?–19xx?, 1997–xxxx ? |
Baltimore metropolitan area |
Baltimore, Maryland |
Inactive |
[42][43][44] |
| Alpha Zeta |
September 1993–xxxx ? |
Ball State University |
Muncie, Indiana |
Inactive |
[45] |
| Alpha Eta |
1995–xxxx ? |
Cornell University |
Ithaca, New York |
Inactive |
[46][47][h] |
| Alpha Theta |
1995–xxxx ? |
Middle Tennessee State University |
Murfreesboro, Tennessee |
Inactive |
[48] |
| Alpha Iota |
1995–199x ? |
Portland State University |
Portland, Oregon |
Inactive |
[49] |
| Alpha Kappa |
1995–20xx ? |
Southern Methodist University |
Dallas, Texas |
Inactive |
[50][24] |
| Alpha Lambda |
1996–xxxx ? |
University of Illinois Urbana-Champaign |
Urbana, Illinois |
Inactive |
[51][52][53] |
| Alpha Mu |
1996–xxxx ? |
Eastern Michigan University |
Ypsilanti, Michigan |
Inactive |
[6][54][43][44][55][i] |
| University of Michigan |
Ann Arbor, Michigan |
| Washtenaw Community College |
Ann Arbor Charter Township, Michigan |
| Alpha Nu |
1996–xxxx ? |
Richmond metropolitan area |
Richmond, Virginia |
Inactive |
[6][44] |
| Alpha Xi |
1996–xxxx ? |
University of Oregon |
Eugene, Oregon |
Inactive |
[56][49][6][7] |
| Alpha Omicron (First) |
1996 – July 22, 2005 |
California State University, Northridge |
Los Angeles, California |
Inactive |
[7][56][44][j] |
| Alpha Pi |
199x ?–xxxx ? |
Phoenix metropolitan area |
Phoenix, Arizona |
Inactive |
[7][44] |
| Alpha Rho |
April 1998–December 2002; March 2011 |
Pennsylvania State University |
State College, Pennsylvania |
Inactive |
[6][44][57][58][59][60][k] |
| Alpha Sigma |
1998–20xx ? |
Ohio University |
Athens, Ohio |
Inactive |
[6][7][61] |
| Alpha Tau |
1998–20xx ? |
University of North Texas |
Denton, Texas |
Inactive |
[44][62] |
| Alpha Upsilon |
November 1998 |
Western Michigan University |
Kalamazoo, Michigan |
Inactive |
[43][44] |
| Alpha Phi |
xxxx ?–20xx ? |
Old Dominion University |
Norfolk, Virginia |
Inactive |
[63][64][65][55][66][l] |
| Alpha Chi (First) |
2001–2007 |
Boston Area |
Boston, Massachusetts |
Inactive |
[67][68][69][70][m] |
| Alpha Psi |
2001–20xx ? |
Kent State University |
Kent, Ohio |
Inactive |
[71][7][72] |
| Alpha Omega |
|
|
|
Memorial |
[73] |
| Iota (Second) |
c. 2001–20xx ? |
Sacramento metropolitan area |
Sacramento, California |
Inactive |
[74][75][7] |
| Beta Alpha |
2001–20xx ? |
North Carolina State University |
Raleigh, North Carolina |
Inactive |
[7][76][n] |
| Beta Beta |
October 2000–Fall 2005 |
University of South Alabama |
Mobile, Alabama |
Colony |
[7][77][o] |
| Beta Gamma |
200x ?–20xx ? |
Cincinnati metropolitan area |
Cincinnati, Ohio |
Inactive |
[74][78][7][79][p] |
| Beta Delta |
2003–20xx ? |
Florida International University |
Miami, Florida |
Colony |
[80][81][82][q] |
| Beta Epsilon |
2003–2005 |
Ohio State University |
Columbus, Ohio |
Inactive |
[61] |
| Beta Zeta |
2004–20xx ? |
Southern Illinois University Edwardsville |
Edwardsville, Illinois |
Inactive |
[53][83][r] |
| Alpha Omicron (Second) |
July 22, 2005 – 20xx ? |
San Fernando Valley |
San Fernando, California |
Inactive |
[56][44][s] |
| Beta Eta |
2005–20xx ? |
University of Colorado Boulder |
Boulder, Colorado |
Inactive |
[84] |
| Beta Theta |
2005–20xx ? |
University of Pennsylvania |
Philadelphia, Pennsylvania |
Inactive |
[47] |
| Beta Iota |
October 2005–20xx ? |
Syracuse University |
Syracuse, New York |
Inactive |
[85][86][87][t] |
| Beta Kappa |
December 3, 2005 – 20xx ? |
University of San Francisco |
San Francisco, California |
Inactive |
[18][88] |
| Beta Lambda |
April 2, 2006 – 20xx ? |
Iowa State University |
Ames, Iowa |
Inactive |
[89][90][u] |
| Beta Mu |
May 6, 2006 – 20xx ? |
Kansas State University |
Manhattan, Kansas |
Inactive |
[91][92][24][v] |
| Beta Nu |
2007–20xx ? |
Missouri University of Science and Technology |
Rolla, Missouri |
Inactive |
[93] |
| Beta Xi |
2007 |
New York University |
New York City, New York |
Active |
[50] |
| Beta Omicron |
2007–20xx ? |
Bowling Green State University |
Bowling Green, Ohio |
Colony |
[w] |
| Beta Pi |
February 21, 2009 – 20xx ? |
California Polytechnic State University, San Luis Obispo |
San Luis Obispo, California |
Inactive |
[94] |
| Beta Rho |
2010–20xx ? |
University of Texas at Austin |
Austin, Texas |
Inactive |
[95][96][97][x] |
| Beta Sigma |
2010–2021 |
Rutgers University–New Brunswick |
New Brunswick, New Jersey |
Inactive |
[98][99] |
| Beta Tau |
2011–20xx ? |
University of Texas at El Paso |
El Paso, Texas |
Inactive |
[100][96] |
| Beta Upsilon |
February 26, 2011 – 20xx ? |
University of California, Irvine |
Irvine, California |
Inactive |
[101] |
| Beta Phi |
201x ?–20xx ? |
Nashville metropolitan area |
Nashville, Tennessee |
Inactive |
[2] |
| Beta Chi |
201x ?–20xx ? |
University of Kansas |
Lawrence, Kansas |
Inactive |
[2] |
| Beta Psi |
January 21, 2012 – 20xx ? |
University of Central Florida |
Orlando, Florida |
Inactive |
[102][103][y] |
| Beta Omega |
February 4, 2012 – 20xx ? |
McGill University |
Montreal, Quebec, Canada |
Inactive |
[104][z] |
| Gamma Alpha |
April 28, 2012 – 20xx ? |
University of Miami |
Coral Gables, Florida |
Inactive |
[105] |
| Alpha Chi (Second) |
October 6, 2012 – 20xx ? |
Boston University |
Boston, Massachusetts |
Inactive |
[106][67][70] |
| Gamma Beta |
2014–20xx ? |
The College of New Jersey |
Ewing Township, New Jersey |
Inactive |
[107][aa] |
| Gamma Gamma |
January 2015–2024 |
University of Iowa |
Iowa City, Iowa |
Active |
[108][109] |
| Gamma Delta |
June 10, 2017 – 20xx ? |
Ontario Tech University |
Oshawa, Ontario, Canada |
Inactive |
[110] |
| Gamma Epsilon |
April 29, 2017 – 20xx ? |
Georgia State University |
Atlanta, Georgia |
Inactive |
[111] |
| Gamma Zeta |
201x ?–20xx ? |
University of Missouri–Kansas City |
Kansas City, Missouri |
Inactive |
[112][ab] |
| Alpha (Second) |
2018 |
George Washington University |
Washington, D.C. |
Active |
[113][114] |
| Gamma Eta |
202x ? |
University of Louisiana at Lafayette |
Lafayette, Louisiana |
Active |
[115][116][ac] |
| Virginia Tech colony |
|
Virginia Tech |
Blacksburg, Virginia |
Colony |
[117] |