| 1961 | Edwin F. Klouda |
| 1968 | Derwin R. Elliott |
| 1973 | Richard Aldershof |
| 1975 | Russell H. Anthony, DVM |
| 1976 | Charles T. King |
| 1979 & 1992 | Jack F. Roland |
| 1983 | Max Steege, Sr. |
| 1984 | Warren A. Davis |
| 1986 | Vilas L. (Sid) Morris, Jr. |
| 1987 | John R. Ketelsen |
| 1988 | Frank E. Mead |
| 1989 | George E. Little |
| 1990 | Shannon M. Murchison |
| 1991 | Roger D. Donegan |
| 1993 | L. Dean Redmon |
| 1995 | James M. Fry |
| 1996 | George R. Zinser |
| 1997 | George A. Peirce |
| 1998 | Harlan Ehlert |
| 1999 | Henry G. Matejka, Jr. |
| 2000 | Dennis R. Wiley |
| 2001 | Carl E.A. Hallberg |
| 2002 | S. Michael Brain |
| 2003 | Stanley C. Petersen |
| 2004 | Marlin W. Mullnix |