- PEC 2019 - University of Central Florida
- PEC 2018 - University of New Hampshire
- PEC 2017 - Portland State University
- PEC 2016 - University of Arkansas
- PEC 2015 - Rutgers University – New Brunswick
- PEC 2014 - University of Wisconsin – La Crosse
- PEC 2013 - North Carolina State University
- PEC 2012 - University of Texas
- PEC 2011 - University at Albany
- PEC 2010 - University of Wisconsin – Milwaukee
- PEC 2009 - Rutgers University – New Brunswick
- PEC 2008 - University of California – Riverside
- PEC 2007 - University of Illinois at Urbana-Champaign
- PEC 2006 - Princeton University
- PEC 2005 - University of Wisconsin – Madison
- PEC 2004 - University of California – Davis
- PEC 2003 - Cornell University
- PEC 2002 - Georgia Institute of Technology
- PEC 2001 - Sandia National Laboratories
- PEC 2000 - Louisiana State University
- PEC 1999 - University of California – Berkeley
- PEC 1998 - Pennsylvania State University
- PEC 1997 - University of Oregon
- PEC 1996 - Boston University
- PEC 1995 - Arizona State University
- PEC 1994 - University of Tennessee
- PEC 1993 - Rensselaer Polytechnic Institute
- PEC 1992 - University of California – Irvine
- PEC 1991 - Rutgers University – Piscataway
- PEC 1990 - Rutgers University – Piscataway
- PEC 1989 - National Institute of Standards
- PEC 1988 - Brookhaven National Laboratory
- PEC 1987- IBM Almaden Research
- PEC 1986 - University of Texas – Austin
- PEC 1985 - University of Wisconsin – Milwaukee
- PEC 1984 - Princeton University
- PEC 1983 - Sandia National Laboratories
- PEC 1982 - Georgia Institute of Technology
- PEC 1981 - Montana State University
- PEC 1980 - Cornell University
- PEC 1979 - University of Maryland
- PEC 1978 - Oak Ridge National Laboratory
- PEC 1977 - Stanford University
- PEC 1976 - University of Wisconsin – Madison
- PEC 1975 - Penn State University
- PEC 1974 - Bell Laboratories
- PEC 1973 - University of California – Berkeley
- PEC 1972 - Sandia Laboratories
- PEC 1971 - National Bureau of Standards
- PEC 1970 - University of Wisconsin – Milwaukee
- PEC 1969 - Yale University
- PEC 1968 - University of Minnesota
- PEC 1967 - Massachusetts Institute of Technology
- PEC 1966 - Massachusetts Institute of Technology