1969 ~ Roy A. Nokleby
1970 ~ Robert C. Strom
1988-2007 ~ Thomas E. Hipple
1990-2006 ~ G. Theodore Cowin
1991-2005 ~ Charles R. Huskey
1993 ~ Eldred J. Thomas
1998 ~ James G. Cox
1999 ~ Daniel J. O'Leary
2000 ~ Robert B. "Pete" Cargill
2001 ~ Larry W. Sutton
2003 ~ Richard R. Crossler
2004 ~ Rex R. Benson