| 1920 | W. Roy Snyder | 1921 | W. Roy Snyder | 1922 | Joseph J. Merson | 1923 | Arthur W. Carlson |
| 1924 | Lee R. Smith | 1925 | Andrew D. Bligh | 1926 | Fred Bunnell | 1927 | Marshall C. Danforth |
| 1928 | Herald N. Cole | 1929 | Andrew Lowe | 1930 | Niels Anderson | 1931 | Joseph C. Roti |
| 1932 | Gerald L. Beck | 1933 | Charles S. Slater | 1934 | Howard H. Washburn | 1935 | Albert L. Puddicombe |
| 1936 | Leroy Gammon | 1937 | Guy E. McWilliams | 1938 | Kenneth S. Hillstrom | 1939 | Arthur M. Angove |
| 1940 | Eugene L. Buck | 1941 | Arthur F. Morse | 1942 | Mark E. Currah | 1943 | Charles B. Lindahl |
| 1944 | Arthur W. Macemon | 1945 | Oscar E. Carlson | 1946 | David R. Tuell | 1947 | J. Earl Horton |
| 1948 | James T. Coffman | 1949 | Roy G. Miller | 1950 | William A. Wilson | 1951 | William A. Wilson |
| 1952 | Ira N. Sibbert | 1953 | Lynn W. Gray | 1954 | Walter R. Williams | 1955 | Robert A. Glans |
| 1956 | Philip F. Farmer | 1957 | Edward H. Paine | 1958 | John H. Palmer | 1959 | George W. Skea |
| 1960 | Richard L. Basnaw | 1961 | Lysle C. Smith | 1962 | John H. Grimm | 1963 | Harry Schramm |
| 1964 | Archie E. Gifford | 1965 | G. Arthur Perkins | 1966 | Richard D. Roberts | 1967 | Edwin L. Riggers |
| 1968 | Lyle J. Smith | 1969 | William H. Maxwell | 1970 | Homer K. Coffey | 1971 | Floyd M. Raver |
| 1972 | Ernest G. Nelson | 1973 | Clarence F. Jenson | 1974 | Arthur D. Marker | 1975 | Albert E. Taylor |
| 1976 | William V. Copeland | 1977 | Lewis C. Mitchell | 1978 | H. Glen Roberts | 1979 | Paul L. Dugan |
| 1980 | Clarence G. Koehn | 1981 | Larry V. Nichols | 1982 | Ralph E. Decker | 1983 | Roy M. Hendrickson |
| 1984 | B. James Docherty | 1985 | Jerry E. Manges | 1986 | Karl S. Reith | 1987 | Duran J. Burton |
| 1988 | Lawrence O. Todd | 1989 | David W. Riggers | 1990 | Terry A. Wiggins | 1991 | Lawrence L. Burleigh |
| 1992 | Douglas A. Baker | 1993 | Michael J. Fulk | 1994 | R. Dale Wilson | 1995 | Reuben A. Linn |
| 1996 | Richard I. Parris | 1997 | Alan T. Spreen | 1998 | Ernest G. Nelson | 1999 | Steven T. Hoyt |
| 2000 | Terry A. Wiggins | 2001 | E. Dalton White | 2002 | Cephas G. Martin | 2003 | Steven T. Hoyt |
| 2004 | Dennis W. Wright | 2005 | Karl S. Reith | ||||