| Year | Employee | State |
| 1952 | James T. McWilliams | California |
| Hubert Humphreys | Washington | |
| 1953 | Percy V. Pennybacker | Texas |
| 1954 | A.H. Carver | California |
| 1955 | J. Al Head | Oregon |
| 1956 | Robert C. O’Connell | Wyoming |
| A.J. Sachse | Idaho | |
| 1957 | Glen Ryden | Arizona |
| 1958 | Albert H. Pollard | Texas |
| 1959 | W.O. Widdows | Oregon |
| Joseph D. Meyers | Arizona | |
| 1960 | William A. King | Texas |
| James M. Rylander | Texas | |
| 1961 | Dwight E. Winsor | Colorado |
| 1962 | Roger D. Sunbury | California |
| Paul G. Jonas | California | |
| 1963 | John A. Kalsell | Washington |
| 1964 | Karl Moskowitz | California |
| 1965 | Herbert W. Walters | Colorado |
| 1966 | Leon Hawkins | Texas |
| 1967 | Paul E. Rensel | Washington |
| 1968 | Herbert T. Tateishi | Hawaii |
| 1969 | A. Mainard Wacker | Wyoming |
| 1970 | Thomas R. Marshall | Washington |
| 1971 | Larry W. Walker | Texas |
| 1972 | Dale Peterson | Utah |
| 1973 | Harry C. Ammon | Califonia |
| 1974 | L.E. George | Oregon |
| 1975 | Burrell B. Gerhardt | Colorado |
| 1976 | Roy A. Imbsen | California |
| James H. Gates | California | |
| 1977 | John E. Steward | USDOAg |
| 1978 | Bruce Campbell | Washington |
| 1979 | George B. Way | Arizona |
| 1980 | Hugh Lydston | Idaho |
| 1981 | Ronald G. Chassie | FHWA |
| 1982 | Wayne Gruen | Washington |
| 1983 | David L. Huft | South Dakota |
| 1984 | Al Harwood | Oregon |
| Tom Nelson | Washington | |
| 1986 | A.J. “Al” Phillips | California |
| 1987 | Robert Watkins | California |
| 1988 | Philip B. Demosthenes | Colorado |
| 1989 | Frank Holzmann | Texas |
| 1990 | C. Dennis Grigg | Arizona |
| 1991 | Alvin R. Luedecke | Texas |
| Ray Mickelson | Idaho | |
| 1992 | Robert Peterson | North Dakota |
| 1993 | Al Yocum | South Dakota |
| 1994 | Doyt Bolling | FHWA |
| 1995 | Donald Carlson | Wyoming |
| 1996 | Steve M. Lowell | Washington |
| 1997 | Gary K. Trietsch | Texas |
| 1998 | Thomas S. Baker | Idaho |
| 1999 | Terry Bourland | Arizona |
| 2000 | Jerry Alb | Washington |
| 2001 | Tom Moses | Alaska |
| 2002 | Ginger Murdough | Arizona |
| 2003 | Mary Lou Ralls | Texas |
| 2004 | Stan Burns | Utah |
| 2005 | Russ Law | Nevada |
| 2006 | John Thomas | Utah |
| 2007 | Jennifer Finch | Colorado |
| 2008 | None | |
| 2009 | Greg Gentsch | Arizona |
| 2010 | Jeanie Borchert | North Dakota |
| Brad Humphrey | Utah | |
| 2011 | Hal Gard | Oregon |
| 2012 | Jack Stickel | Alaska |
| Paula Gibson | Arizona | |
| 2013 | Fred Doehring | Utah |
| 2014 | Johnny Olson | Colorado |
| 2015 | Thomas Lauer | Oregon |
| 2016 | Brandie Neeman | Nebraska |
| 2017 | Bryon Fuchs | North Dakota |
| 2018 | Varuna Singh | Montana |
