# List of Graduate Women in Science chapters

Graduate Women in Science, formerly known as Sigma Delta Epsilon, is an international organization for women in science. It was established in 1921 at Cornell University in Ithaca, New York, United States.
In the following list, active chapters are indicated in bold and inactive chapters are in italics.
| Chapter | Former chapter name | Charter date | Institution | Location | Status |
| Ithaca | Alpha | May 24, 1921 – 1990 | Cornell University | Ithaca, New York | Inactive |
| Madison | Beta | 1922 | University of Wisconsin–Madison | Madison, Wisconsin | Active |
| | Gamma | 1924–1976 | University of Illinois | Champaign and Urbana, Illinois | Inactive |
| | Delta | 1924 | University of Missouri | Columbia, Missouri | Inactive |
| | Epsilon | 1925–before 1991 | Iowa State University | Ames, Iowa | Inactive |
| Richmond | Zeta | | | Richmond, Virginia | Active |
| Chicago | Eta (see Chi) | 1925–before 1968; 2000 | University of Chicago | Chicago, Illinois | Active |
| | Theta | 1927 | Ohio State University | Columbus, Ohio | Inactive |
| | Iota | May 18, 1927 | University of Nebraska | Lincoln, Nebraska | Inactive |
| New York City Metro | Kappa | 1928 | | New York City, New York | Active |
| | Lambda (First) | 1929–before 1970 | Northwestern University | Evanston, Illinois | Inactive |
| Syracuse | Mu | 1933–before 1991; xxxx ? | Syracuse University | Syracuse, New York | Active |
| Hershey | Kappa Rho | January 1936–xxxx ?; c. 2010 | Penn State University College of Medicine | Hershey, Pennsylvania | Active |
| State College | Nu | 1936 | Pennsylvania State University | State College, Pennsylvania | Active |
| Twin Cities | Xi | 1945 | University of Minnesota | Minneapolis and Saint Paul, Minnesota | Active |
| National Capital | Omicron | 1948 | | Washington, D.C. | Active |
| | Pi | January 1949 | Purdue University | West Lafayette, Indiana | Inactive |
| Philadelphia | Rho | 1951–xxxx ?; 2019 | | Philadelphia, Pennsylvania | Active |
| Mid-Michigan | Sigma | 1954–before 1991; xxxx ? | Michigan State University | East Lansing, Michigan | Active |
| | Tau | 1959 | University of Southern California and Western Arizona | Los Angeles, California | Inactive |
| | Upsilon | 1959 | Indiana University Bloomington | Bloomington, Indiana | Inactive |
| | Phi | 1968 | University of Kansas | Lawrence, Kansas | Inactive |
| | Chi (see Eta) | 1968 | University of Chicago | Chicago, Illinois | |
| Chapter-at-Large | Omega | 1968 | Chapter-at-Large | | Active |
| | Lambda (Second) | 1970 | California and Southwest United States | California | |
| | Psi | 1976 | University of Rochester | Rochester, New York | Inactive |
| | Alpha Alpha | | | Burlington, Vermont | Inactive |
| Research Triangle | Rho Tau | June 20, 2009 | | Raleigh, North Carolina | Active |
| International | Iota Nu | March 10, 2013 | | | Active |
| Iowa City | Iota Chi | 2014 | University of Iowa | Iowa City, Iowa | Active |
| Los Angeles | | August 16, 2016 | | Los Angeles, California | Active |
| Arizona | | November 2018 | University of Arizona College of Medicine – Phoenix | Phoenix, Arizona | Active |
| Nashville | | February 2019 | | Nashville, Tennessee | Active |
| Delaware | | 2019 | University of Delaware | Newark, Delaware | Active |
| Rolla | | c. 2019 | Missouri University of Science and Technology | Rolla, Missouri | Active |
| West Liberty | | c. 2021 | | West Liberty, West Virginia | Active |
| Central Ohio | | 2023 | Ohio State University | Columbus, Ohio | Active |
| Auburn | Alpha Upsilon | | Auburn University | Auburn, Alabama | Active |
| Boston | Alpha Omega | | | Boston, Massachusetts | Active |
| Austin | | | | Austin, Texas | Active |
| Black Hills | | | South Dakota School of Mines and Technology | Rapid City, South Dakota | Active |
| Central Kentucky | | | | Kentucky | Active |
| Dallas | | | | Dallas, Texas | Active |
| Eastern North Carolina | Epsilon Chi | | | Greenville, North Carolina | Active |
| Eastern South Dakota | Sigma Delta | | | Sioux Falls, South Dakota | Active |
| Grand Forks | | | | Grand Forks, North Dakota | Active |
| Greater Maryland | | | | Maryland | Active |
| Hattiesburg | | | | Hattiesburg, Mississippi | Active |
| Hawaii | | | | Honolulu, Hawaii | Active |
| Milwaukee | | | | Milwaukee, Wisconsin | Active |
| Missoula | | | | Missoula, Montana | Active |
| New York Capital | | | | Albany, New York | Active |
| Northern Colorado | Sigma Omega Delta | | Colorado State University | Fort Collins, Colorado | Active |
| Orange County | | | | Orange County, California | Inactive |
| Pittsburgh | | | | Pittsburgh, Pennsylvania | Active |
| Puerto Rico | | | | Puerto Rico | Active |
| St. Louis | | | | St. Louis, Missouri | Active |
| San Diego | | | | San Diego, California | Inactive |
| Tuscaloosa | | | | Tuscaloosa, Alabama | Active |