# List of Sigma Alpha chapters

Sigma Alpha is an American professional sorority for agricultural students. It was established at Ohio State University in 1978. Following are the chapters of Sigma Alpha, with active chapters indicated in bold and inactive chapters in italics.
| Chapter | Charter date | Institution | Location | Status |
| Alpha | January 26, 1978 | Ohio State University | Columbus, Ohio | Inactive |
| Beta | April 14, 1984 | Purdue University | West Lafayette, Indiana | Active |
| Gamma | 1985–198x ?; 1990 | Michigan State University | East Lansing, Michigan | Active |
| Delta | 1986 | Iowa State University | Ames, Iowa | Active |
| Epsilon | 1989 | Pennsylvania State University | State College, Pennsylvania | Active |
| Zeta | 1989 | Louisiana State University | Baton Rouge, Louisiana | Active |
| Eta | 1990 | University of Connecticut | Storrs, Connecticut | Active |
| Theta | October 7, 1990 | University of Tennessee | Knoxville, Tennessee | Active |
| Iota | 1990 | University of Arkansas | Fayetteville, Arkansas | Active |
| Kappa | 1990 | California Polytechnic State University, San Luis Obispo | San Luis Obispo, California | Active |
| Lambda | 1990 | University of California, Davis | Davis, California | Active |
| Mu | 1991 | University of Vermont | Burlington, Vermont | Inactive |
| Nu | May 1991 | Colorado State University | Fort Collins, Colorado | Active |
| Xi | October 5, 1991 | Oregon State University | Corvallis, Oregon | Active |
| Omicron | December 7, 1991 | Truman State University | Kirksville, Missouri | Active |
| Pi | 199x ? | Virginia Tech | Blacksburg, Virginia | Active |
| Rho | 199x ? | Texas Tech University | Lubbock, Texas | Active |
| Sigma | 199x ? | Western Illinois University | Macomb, Illinois | Active |
| Tau | 199x ? | Clemson University | Clemson, South Carolina | Active |
| Upsilon | 199x ? | North Dakota State University | Fargo, North Dakota | Active |
| Phi | 199x ? | East Texas A&M University | Commerce, Texas | Active |
| Chi | 1995 | West Virginia University | Morgantown, West Virginia | Active |
| Psi | 199x ? | Middle Tennessee State University | Murfreesboro, Tennessee | Active |
| Omega | 199x ? | South Dakota State University | Brookings, South Dakota | Active |
| Alpha Alpha | 199x ? | | | Unassigned |
| Alpha Beta | 199x ? | Northwest Missouri State University | Maryville, Missouri | Active |
| Alpha Gamma | December 2, 1995 | Southern Illinois University Carbondale | Carbondale, Illinois | Active |
| Alpha Delta | 199x ? | University of Nebraska–Lincoln | Lincoln, Nebraska | Active |
| Alpha Epsilon | 199x ? | University of Wyoming | Laramie, Wyoming | Active |
| Alpha Zeta | 199x ? | Tarleton State University | Stephenville, Texas | Active |
| Alpha Eta | 199x ? | Stephen F. Austin State University | Nacogdoches, Texas | Active |
| Alpha Theta | September 26, 1998 | North Carolina State University | Raleigh, North Carolina | Active |
| Alpha Iota | 1998 | California State University, Chico | Chico, California | Active |
| Alpha Kappa | 1990 | University of Delaware | Newark, Delaware | Active |
| Alpha Lambda | | Delaware Valley University | Doylestown, Pennsylvania | Active |
| Alpha Mu | January 29, 2000 | University of Illinois Urbana-Champaign | Champaign, Illinois | Active |
| Alpha Nu | 2000 ? | Arizona State University | Tempe, Arizona | Active |
| Alpha Xi | April 29, 2000 | Missouri State University | Springfield, Missouri | Active |
| Alpha Omicron | September 30, 2000 | University of Georgia | Athens, Georgia | Active |
| Alpha Pi | March 2001 | Texas A&M University | College Station, Texas | Active |
| Alpha Rho | 20xx ? | University of Arizona | Tucson, Arizona | Active |
| Alpha Sigma | October 30, 2018 | New Mexico State University | Las Cruces, New Mexico | Active |
| Alpha Tau | 20xx ? | University of Wisconsin–Madison | Madison, Wisconsin | Active |
| Alpha Upsilon | October 6, 2001 | Murray State University | Murray, Kentucky | Active |
| Alpha Phi | 200x ? | California State University, Fresno | Fresno, California | Active |
| Alpha Chi | January 26, 2002 | University of Missouri | Columbia, Missouri | Active |
| Alpha Psi | 200x ? | Cornell University | Ithaca, New York | Active |
| Alpha Omega | 200x ? | Kansas State University | Manhattan, Kansas | Active |
| Beta Alpha | 2003 | University of Maryland, College Park | College Park, Maryland | Active |
| Beta Beta | 200x ? | | | Unassigned |
| Beta Gamma | March 20, 2004 | University of Florida | Gainesville, Florida | Active |
| Beta Delta | 200x ? | University of Wisconsin–Platteville | Platteville, Wisconsin | Active |
| Beta Epsilon | 200x ? | University of Idaho | Moscow, Idaho | Active |
| Beta Zeta | 200x ? | University of Wisconsin–River Falls | River Falls, Wisconsin | Active |
| Beta Eta | 200x ? | Auburn University | Auburn, Alabama | Active |
| Beta Theta | April 25, 2006 | University of Tennessee at Martin | Martin, Tennessee | Active |
| Beta Iota | 20xx ? | Florida Southern College | Lakeland, Florida | Inactive |
| Beta Kappa | 20xx ? | University of New Hampshire | Durham, New Hampshire | Active |
| Beta Lambda | 20xx ? | University of Rhode Island | Kingston, Rhode Island | Inactive |
| Beta Mu | 20xx ? | Fort Hays State University | Hays, Kansas | Active |
| Beta Nu | 20xx ? | Abraham Baldwin Agricultural College | Tifton, Georgia | Active |
| Beta Xi | 20xx ? | Illinois State University | Normal, Illinois | Active |
| Beta Omicron | March 23, 2013 | University of Kentucky | Lexington, Kentucky | Active |
| Beta Pi | May 4, 2013 | Sam Houston State University | Huntsville, Texas | Active |
| Beta Rho | 201x ? | Southern Arkansas University | Magnolia, Arkansas | Active |
| Beta Sigma | 2014 | Western Kentucky University | Bowling Green, Kentucky | Active |
| Beta Tau | 201x ? | Arkansas Tech University | Russellville, Arkansas | Active |
| Beta Upsilon | 201x ? | Mississippi State University | Mississippi State, Mississippi | Active |
| Beta Phi | 201x ? | Morehead State University | Morehead, Kentucky | Active |
| Beta Chi | 2017 | Eastern Kentucky University | Richmond, Kentucky | Active |
| Beta Psi | 2017 ? | Oklahoma State University | Stillwater, Oklahoma | Active |
| Beta Omega | 2017 | Washington State University | Pullman, Washington | Active |
| Gamma Alpha | 201x ? | Wilmington College | Wilmington, Ohio | Active |
| Gamma Beta | March 3, 2018 | Montana State University | Bozeman, Montana | Active |
| Gamma Gamma | 20xx ? | | | Unassigned |
| Gamma Delta | 20xx ? | State University of New York at Cobleskill | Cobleskill, New York | Active |
| Gamma Zeta | 20xx ? | Tennessee Tech | Cookeville, Tennessee | Active |
| Gamma Eta | 2023 | Utah State University | Logan, Utah | Active |