The following institutions have competed at the International Tournament:
Alderson-Broaddus: 1995, 1996, 1998, 2005, 2008
Arizona State University: 1991, 1993, 1995, 1996, 1998, 2010
Arkansas Northern College: 2004
Arkansas State University: 2003, 2004, 2006, 2010, 2012, 2013, 2014
Azusa Pacific University: 2007, 2008
Ball State University: 1998
Berea College: 2001, 2002
Berry College: 2013
Bloomsburg University: 1991-1997, 1999
Bowling Green State: 2008
Bridgewater State University: 1997, 1998, 2001
Brookdale Community College: 1991-2008
Brooklyn College: 1996-1999, 2010-2016
Bronx Community College: 1997, 2006
California State University-Chico: 1996
California University (Pennsylvania): 1996, 1997
Casper College: 2002, 2004, 2006-2019
Central Missouri: 1996, 1997
Central Texas College: 2019
Clackamas College: 2013
Clark College: 1999, 2002, 2004, 2006, 2008-2013
Clemson: 2006, 2010
Colorado College: 2019
Concordia University: 1999
Diablo Valley Community College: 1997
Emerson College: 1997, 1998, 1999, 2000
Evangel University: 2008-2015
European University: 1993
Ferris State College: 2019
Florida College: 1997, 2001-2008, 2016
Franklin Pierce: 1999
Geneva College: 1994-1999
George Mason University: 2008-2016
Glendale Community College: 1996, 2000, 2002, 2004, 2006-2016
Grinnell: 2010, 2011, 2013
Grossmont: 2008
Gustavus Adolphus College: 1998, 2000, 2002
Heidelberg: 2000, 2001
Hofstra University: 2019
Indiana University-Purdue University: 1996
Irvine Valley College: 2019
Ithaca College: 2019
Jefferson State: 2001, 2019
La Sierra: 2009
Lamar State: 2012
Las Positas: 2006, 2007, 2009, 2012-2019
Lehman College: 1994-1996
Lewis-Clark State: 2006
Long Island University: 1997, 1998, 1999, 2000
Los Angeles Valley Community College: 1997, 2001
Longwood College: 1993, 1996, 1997, 1999, 2000
Loyola University (CA): 2002
Marshall University: 2019
Miami University (Ohio): 1996-2000
Midland Lutheran College: 1997-2000
Missouri Southern: 2001, 2002, 2003
Morehead University: 1998, 2000, 2003, 2006
Morgan State University: 1996
Mount San Antonio: 2000, 2001, 2008, 2014, 2015
Muskingum University: 2013
Nassau: 2012, 2014, 2019
Nebraska Wesleyan: 1994
New Jersey Institute of Technology: 1994-1995
North Central College: 1993
Northeastern University: 1997, 1999
Northern Arizona University: 1994, 1996, 2019
North Lake College: 1992, 1993, 1995-2001
Northwest College: 2003, 2004, 2006, 2019
Northwest Missouri University: 1999, 2000, 2011
Oakland University: 1992-1996
Oakland University, London: 1995
Ohio State University: 1999, 2001
Oregon State University: 1997, 1998, 1999, 2001, 2011-2019
Pacific University: 2005, 2007-2019
Pacific Lutheran University: 1996
Pasadena City College: 2003
Patrick Henry: 2010
Penn College: 1994, 1995, 1996
Pittsburg State, KS: 2001
Richland Community College: 1995-2001
Sam Houston: 2012
San Diego Mesa: 2008, 2010, 2012-2019
San Diego State University: 1994
San Jose State University: 1998, 2001, 2002, 2006, 2007, 2011-2013, 2015, 2019
Seton Hall University: 1996
Shepherd College: 1991, 1992, 1996-2003
Sheridan College: 2001, 2006
St. Anselm College: 1999
St. Joseph’s: 1997
St. Mary’s (Texas): 1996, 1997
St. Petersburg Junior College: 1994, 1995
Snow College: 2012-2014
Southeast Oklahoma: 2009
Southwest Texas State University: 2002
Suffolk Community College: 2014
Suffolk University: 1996, 1997, 1998, 1999, 2000, 2001, 2006-2012
Stephen F. Austin State University: 2019
Tarrant County College: 2008
Texas Southern University: 1992-2003, 2005-2019
Transylvania University: 2000
United States Air Force Academy: 2010
United States Merchant Marine Academy: 1999
United States Military Academy: 2002
University of Alabama: 2015
University of Alaska, Anchorage: 1995
University of Florida: 1997
University of Indiana: 1997
University of Mississippi: 2010
University of Nebraska-Omaha: 2001
University of the Pacific: 1997, 1998
University of South Florida: 2002
University of the Cumberlands: 2019
University of Texas-Arlington: 2001
University of Texas-Tyler: 2019
University of Utah: 2018-19
Washington State-Vancouver: 2008
West Texas A&M University: 2015, 2019
Western Kentucky University: 1999-2001, 2003-2008, 2014
Western Michigan University: 2001
Western Wyoming Community College: 2015
Westmoreland Community College: 1998-2000
Winona State University: 2002
Wytheville Community College: 2001
International Forensics Association 