| Name | Chartered | Institution | Location | Status | Notes | Reference |
| Alpha | 1915 | Ohio State University | Columbus, Ohio | Active | | |
| Beta | 1916 | University of Michigan | Ann Arbor, Michigan | Active | | |
| Gamma | 1916 | North Dakota State University | Fargo, North Dakota | Active | | |
| Delta | 1917 | University of Maine | Orono, Maine | Active | | |
| Epsilon | 1917 | University of Denver | Denver, Colorado | Active | | |
| Zeta | 1917 | University of Wisconsin–Madison | Madison, Wisconsin | Active | | |
| Eta | 1921 | University of Akron | Akron, Ohio | Active | | |
| Theta | 1921 | Michigan State University | East Lansing, Michigan | Active | | |
| Iota | 1921 | Washington University in St. Louis | St. Louis, Missouri | Active | | |
| Kappa | 1921 | University of Kansas | Lawrence, Kansas | Active | | |
| Lambda | 1921 | University of Montana | Missoula, Montana | Active | | |
| Mu | 1922 | University of California, Berkeley | Berkeley, California | Active | | |
| Nu | 1922 | Washington & Jefferson College | Washington, Pennsylvania | Active | | |
| Xi | 1924 | University of Nebraska–Lincoln | Lincoln, Nebraska | Active | | |
| Omicron | 1924 | University of North Dakota | Grand Forks, North Dakota | Active | | |
| Pi | 1925 | Emory University | Atlanta, Georgia | Active | | |
| Rho | 1925 | University of Illinois at Urbana–Champaign | Urbana, Illinois | Active | | |
| Sigma | 1925 | University of Florida | Gainesville, Florida | Active | | |
| Tau | 1926 | Duke University | Durham, North Carolina | Active | | |
| Upsilon | 1926 | Miami University | Oxford, Ohio | Active | | |
| Phi | 1926 | University of New Hampshire | Durham, New Hampshire | Active | | |
| Chi | 1927 | Montana State University | Bozeman, Montana | Active | | |
| Psi | 1928 | University of Washington | Seattle, Washington | Active | | |
| Omega | 1928 | University of Oklahoma | Norman, Oklahoma | Active | | |
| Alpha Alpha | 1928 | University of Southern California (USC) | Los Angeles, California | Active | | |
| Alpha Beta | 1928 | University of Mount Union | Alliance, Ohio | Active | | |
| Alpha Gamma | 1928 | University of South Dakota | Vermillion, South Dakota | Active | | |
| Alpha Delta | 1929 | Lawrence University | Appleton, Wisconsin | Active | | |
| Alpha Epsilon | 1929 | University of Pittsburgh | Pittsburgh, Pennsylvania | Active | | |
| Alpha Zeta | 1930 | College of William & Mary | Williamsburg, Maryland | Active | | |
| Alpha Eta | 1930 | Oklahoma State University–Stillwater | Stillwater, Oklahoma | Active | | |
| Alpha Theta | 1930 | Washington State University | Pullman, Washington | Active | | |
| Alpha Iota | 1932 | Bucknell University | Lewisburg, Pennsylvania | Active | | |
| Alpha Kappa | 1932 | Hunter College | New York City, New York | Active | | |
| Alpha Lambda | 1932 | University of Utah | Salt Lake City, Utah | Active | | |
| Alpha Mu | 1933 | University of Oregon | Eugene, Oregon | Active | | |
| Alpha Nu | 1935 | University of New Mexico | Albuquerque, New Mexico | Active | | |
| Alpha Xi | 1935 | University of Rhode Island | Kingston, Rhode Island | Active | | |
| Alpha Omicron | 1938 | Marquette University | Milwaukee, Wisconsin | Active | | |
| Alpha Pi | 1941 | University of Colorado Boulder | Boulder, Colorado | Active | | |
| Alpha Rho | 1945 | University of Arkansas | Fayetteville, Arkansas | Active | | |
| Alpha Sigma | 1946 | University of Texas at Austin | Austin, Texas | Active | | |
| Alpha Tau | 1947 | National University of Mexico | Mexico City, Mexico | Active | [a] | |
| Alpha Upsilon | 1947 | University of California, Los Angeles | Los Angeles, California | Active | [b] | |
| Alpha Phi | 1948 | University of Puget Sound | Tacoma, Washington | Active | | |
| Alpha Chi | 1949 | University of the Philippines Manila | Ermita, Manila, Philippines | Active | | |
| Alpha Psi | 1949 | Virginia Tech | Blacksburg, Virginia | Active | | |
| Alpha Omega | 1951 | University of Georgia | Athens, Georgia | Active | | |
| Beta Alpha | 1955 | Pennsylvania State University | State College, Pennsylvania | Active | | |
| Beta Beta | 1956 | Florida State University | Tallahassee, Florida | Active | | |
| Beta Gamma | 1957 | Long Island University | Brooklyn, New York | Active | [c] | |
| Beta Delta | 1958 | University of Virginia | Charlottesville, Virginia | Active | | |
| Beta Epsilon | 1960 | Northern Illinois University | DeKalb, Illinois | Active | | |
| Beta Zeta | 1961 | University of Maryland, College Park | College Park, Maryland | Active | | |
| Beta Eta | 1962 | University of Idaho | Moscow, Idaho | Active | | |
| Beta Theta | 1963 | North Carolina State University | Raleigh, North Carolina | Active | | |
| Beta Iota | 1964 | Duquesne University | Pittsburgh, Pennsylvania | Active | | |
| Beta Kappa | 1965 | Texas Christian University | Fort Worth, Texas | Active | | |
| Beta Lambda | 1966 | Illinois State University | Normal, Illinois | Active | | |
| Beta Mu | 1967 | University of Louisiana at Lafayette | Lafayette, Louisiana | Active | | |
| Beta Nu | 1968 | Northeastern University | Boston, Massachusetts | Active | | |
| Beta Xi | 1969 | University of Tennessee | Knoxville, Tennessee | Active | | |
| Beta Omicron | 1969 | University of Colorado Denver | Denver, Colorado | Active | | |
| Beta Pi | 1970 | Eastern Illinois University | Charleston, Illinois | Active | | |
| Beta Rho | 1970 | Texas A&M University | College Station, Texas | Active | | |
| Beta Sigma | 1971 | Central Washington University | Ellensburg, Washington | Active | | |
| Beta Tau | 1973 | University of South Florida | Tampa, Florida | Active | | |
| Beta Upsilon | 1974 | University of Texas at San Antonio | San Antonio, Texas | Active | | |
| Beta Phi | 1975 | University of Texas at Arlington | Arlington, Texas | Active | | |
| Beta Chi | 1975 | Michigan Technological University | Houghton, Michigan | Active | | |
| Beta Psi | 1976 | Eastern Kentucky University | Richmond, Kentucky | Active | | |
| Beta Omega | 1976 | Wayne State University | Detroit, Michigan | Active | | |
| Gamma Alpha | 1976 | Southern University | Baton Rouge, Louisiana | Active | [d] | |
| Gamma Beta | 1978 | Creighton University | Omaha, Nebraska | Active | | |
| Gamma Gamma | 1978 | Virginia Commonwealth University | Richmond, Virginia | Active | | |
| Gamma Delta | 1984 | University of California, Davis | Davis, California | Active | | |
| Gamma Epsilon | 1985 | Eastern Washington University | Cheney, Washington | Active | | |
| Gamma Zeta | | | | Unassigned | | |
| Gamma Eta | 1988 | Worcester Polytechnic Institute | Worcester, Massachusetts | Active | | |
| Gamma Theta | 1990 | University of Alabama at Birmingham | Birmingham, Alabama | Active | | |
| Gamma Iota | 1994 | Missouri University of Science and Technology | Rolla, Missouri | Active | | |
| Gamma Kappa | | | | Unassigned | [b] | |
| Gamma Lambda | 1996 | Bowie State University | Prince George's County, Maryland | Active | | |
| Gamma Mu | 1997 | University of New England | Biddeford, Maine | Active | | |
| Gamma Nu | 1997 | Ohio Wesleyan University | Delaware, Ohio | Active | | |
| Gamma Xi | 1999 | Minot State University | Minot, North Dakota | Active | | |
| Gamma Omicron | 2002 | University of West Florida | Pensacola, Florida | Active | | |
| Gamma Pi | | | | Unassigned | | |
| Gamma Rho | 2004 | Quinnipiac University | Hamden, Connecticut | Active | | |
| Gamma Sigma | 2007 | Siena College | Loudonville, New York | Active | | |
| Gamma Tau | 2008 | California State University, Dominguez Hills | Carson, California | Active | | |
| Gamma Upsilon | 2009 | Endicott College | Beverly, Massachusetts | Active | | |
| Gamma Phi | 2012 | University of Pennsylvania | Philadelphia, Pennsylvania | Active | | |
| Gamma Chi | 2012 | University of South Carolina Beaufort | Beaufort and Lowcountry region, South Carolina | Active | | |
| Gamma Psi | 2013 | St. John's University (New York City) | New York City, New York | Active | [e] | |
| Gamma Omega | 2015 | University of Redlands | Redlands, California | Active | | |