- 1893 - Chicago, Ill.
- 1894 - Polytechnic Institute of Brooklyn
- 1895 - Springfield, Mass.
- 1896 - Buffalo, N.Y.
- 1897 - University of Toronto
- 1898 - Boston, Mass.
- 1899 - The Ohio State University
- 1900 - Columbia University
- 1901 - Buffalo, N.Y.
- 1902 - Pittsburgh, Pa.
- 1903 - Niagara Falls, N.Y.
- 1904 - St. Louis, Mo.
- 1905 - Atlantic City, N.J.
- 1906 - Cornell University
- 1907 - Case School of Applied Science
- 1908 - Detroit, Mich.
- 1909 - Columbia University
- 1910 - University of Wisconsin
- 1911 - Carnegie Institute of Technology and University of Pittsburgh
- 1912 - M.I.T., Harvard and Wentworth
- 1913 - University of Minnesota
- 1914 - Princeton University
- 1915 - Iowa State College
- 1916 - University of Virginia
- 1917 - Washington, D.C.
- 1918 - Cambridge, Mass.
- 1918 - Northwestern University
- 1919 - The Johns Hopkins University
- 1920 - University of Michigan
- 1921 - Yale University
- 1922 - University of Illinois
- 1923 - Cornell University
- 1924 - University of Colorado
- 1925 - Union College
- 1926 - State University of Iowa
- 1927 - University of Maine
- 1928 - University of North Carolina
- 1929 - The Ohio State University
- 1930 - Ecole Polytechnic
- 1931 - Purdue University
- 1932 - Oregon State College
- 1933 - Stevens Hotel, Chicago
- 1934 - Cornell University
- 1935 - Georgia School of Technology
- 1936 - University of Wisconsin
- 1937 - M.I.T. and Harvard University`
- 1938 - A&M College of Texas
- 1939 - Pennsylvania State College
- 1940 - University of California, Berkeley
- 1941 - University of Michigan
- 1942 - New York City
- 1943 - I.I.T. and Northwestern University
- 1944 - University of Cincinnati
- 1945 - Washington University
- 1946 - Washington University
- 1947 - University of Minnesota
- 1948 - University of Texas
- 1949 - R.P.I.
- 1950 - University of Washington
- 1951 - Michigan State College
- 1952 - Dartmouth College
- 1953 - University of Florida
- 1954 - University of Illinois
- 1955 - The Pennsylvania State University
- 1956 - Iowa State College
- 1957 - Cornell University
- 1958 - University of California, Berkeley
- 1959 - University of Pittsburgh and Carnegie Institute of Technology
- 1960 - Purdue University
- 1961 - University of Kentucky
- 1962 - U.S. Air Force Academy
- 1963 - University of Pennsylvania
- 1964 - University of Maine
- 1965 - I.I.T.
- 1966 - Washington State University
- 1967 - Michigan State University
- 1968 - UCLA (Diamond Jubilee)
- 1969 - The Pennsylvania State University
- 1970 - The Ohio State University
- 1971 - U.S. Naval Academy
- 1972 - Texas Tech University
- 1973 - Iowa State University
- 1974 - Rensselaer Polytechnic Institute
- 1975 - Colorado State University
- 1976 - University of Tennessee, Knoxville
- 1977 - University of North Dakota
- 1978 - University of British Columbia
- 1979 - Louisiana State University
- 1980 - University of Massachusetts--Amerherst
- 1981 - University of Southern California
- 1982 - Texas A&M University
- 1983 - Rochester Institute of Technology
- 1984 - University of Utah, Brigham Young, Weber State, & Utah State University
- 1985 - Georgia Institute of Technology
- 1986 - University of Cincinnati
- 1987 - University of Nevada, Reno
- 1988 - University of Nebraska-Lincoln
- 1990 - University of Toronto
- 1991 - University of New Orleans
- 1992 - University of Toledo
- 1993 - University of Illinois, Urbana/Champaign
- 1994 - Edmonton, Canada
- 1995 - Anaheim, CA
- 1996 - Washington, DC
- 1997 - Milwaukee, WI
- 1998 - Seattle, Washington
- 1999 - Charlotte, North Carolina
- 2000 - St. Louis, Missouri
- 2001 - Albuquerque, New Mexico
- 2002 - Montreal, Canada
- 2003 - Nashville, Tennessee
- 2004 - Salt Lake City, Utah
- 2005 - Portland, Oregon
- 2006 - Chicago, Illinois
- 2007 - Honolulu, Hawaii
- 2008 - Pittsburgh, Pennsylvania
- 2009 - Austin, Texas
- 2010 - Louisville, Kentucky
- 2011 - Vancouver, British Columbia
- 2012 - San Antonio, Texas
- 2013 - Atlanta, Georgia
- 2014 - Indianapolis, Indiana
- 2015 - Seattle, Washington
- 2016 - New Orleans, Louisiana
- 2017 - Columbus, Ohio
- 2018 - Salt Lake City, Utah
- 2019 - Tampa, Florida
- 1893 - Chicago, Ill.
- 1894 - Polytechnic Institute of Brooklyn
- 1895 - Springfield, Mass.
- 1896 - Buffalo, N.Y.
- 1897 - University of Toronto
- 1898 - Boston, Mass.
- 1899 - The Ohio State University
- 1900 - Columbia University
- 1901 - Buffalo, N.Y.
- 1902 - Pittsburgh, Pa.
- 1903 - Niagara Falls, N.Y.
- 1904 - St. Louis, Mo.
- 1905 - Atlantic City, N.J.
- 1906 - Cornell University
- 1907 - Case School of Applied Science
- 1908 - Detroit, Mich.
- 1909 - Columbia University
- 1910 - University of Wisconsin
- 1911 - Carnegie Institute of Technology and University of Pittsburgh
- 1912 - M.I.T., Harvard and Wentworth
- 1913 - University of Minnesota
- 1914 - Princeton University
- 1915 - Iowa State College
- 1916 - University of Virginia
- 1917 - Washington, D.C.
- 1918 - Cambridge, Mass.
- 1918 - Northwestern University
- 1919 - The Johns Hopkins University
- 1920 - University of Michigan
- 1921 - Yale University
- 1922 - University of Illinois
- 1923 - Cornell University
- 1924 - University of Colorado
- 1925 - Union College
- 1926 - State University of Iowa
- 1927 - University of Maine
- 1928 - University of North Carolina
- 1929 - The Ohio State University
- 1930 - Ecole Polytechnic
- 1931 - Purdue University
- 1932 - Oregon State College
- 1933 - Stevens Hotel, Chicago
- 1934 - Cornell University
- 1935 - Georgia School of Technology
- 1936 - University of Wisconsin
- 1937 - M.I.T. and Harvard University`
- 1938 - A&M College of Texas
- 1939 - Pennsylvania State College
- 1940 - University of California, Berkeley
- 1941 - University of Michigan
- 1942 - New York City
- 1943 - I.I.T. and Northwestern University
- 1944 - University of Cincinnati
- 1945 - Washington University
- 1946 - Washington University
- 1947 - University of Minnesota
- 1948 - University of Texas
- 1949 - R.P.I.
- 1950 - University of Washington
- 1951 - Michigan State College
- 1952 - Dartmouth College
- 1953 - University of Florida
- 1954 - University of Illinois
- 1955 - The Pennsylvania State University
- 1956 - Iowa State College
- 1957 - Cornell University
- 1958 - University of California, Berkeley
- 1959 - University of Pittsburgh and Carnegie Institute of Technology
- 1960 - Purdue University
- 1961 - University of Kentucky
- 1962 - U.S. Air Force Academy
- 1963 - University of Pennsylvania
- 1964 - University of Maine
- 1965 - I.I.T.
- 1966 - Washington State University
- 1967 - Michigan State University
- 1968 - UCLA (Diamond Jubilee)
- 1969 - The Pennsylvania State University
- 1970 - The Ohio State University
- 1971 - U.S. Naval Academy
- 1972 - Texas Tech University
- 1973 - Iowa State University
- 1974 - Rensselaer Polytechnic Institute
- 1975 - Colorado State University
- 1976 - University of Tennessee, Knoxville
- 1977 - University of North Dakota
- 1978 - University of British Columbia
- 1979 - Louisiana State University
- 1980 - University of Massachusetts--Amerherst
- 1981 - University of Southern California
- 1982 - Texas A&M University
- 1983 - Rochester Institute of Technology
- 1984 - University of Utah, Brigham Young, Weber State, & Utah State University
- 1985 - Georgia Institute of Technology
- 1986 - University of Cincinnati
- 1987 - University of Nevada, Reno
- 1988 - University of Nebraska-Lincoln
- 1990 - University of Toronto
- 1991 - University of New Orleans
- 1992 - University of Toledo
- 1993 - University of Illinois, Urbana/Champaign
- 1994 - Edmonton, Canada
- 1995 - Anaheim, CA
- 1996 - Washington, DC
- 1997 - Milwaukee, WI
- 1998 - Seattle, Washington
- 1999 - Charlotte, North Carolina
- 2000 - St. Louis, Missouri
- 2001 - Albuquerque, New Mexico
- 2002 - Montreal, Canada
- 2003 - Nashville, Tennessee
- 2004 - Salt Lake City, Utah
- 2005 - Portland, Oregon
- 2006 - Chicago, Illinois
- 2007 - Honolulu, Hawaii
- 2008 - Pittsburgh, Pennsylvania
- 2009 - Austin, Texas
- 2010 - Louisville, Kentucky
- 2011 - Vancouver, British Columbia
- 2012 - San Antonio, Texas
- 2013 - Atlanta, Georgia
- 2014 - Indianapolis, Indiana
- 2015 - Seattle, Washington
- 2016 - New Orleans, Louisiana
- 2017 - Columbus, Ohio
- 2018 - Salt Lake City, Utah
- 2019 - Tampa, Florida