1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991

Rollie E. Dorer
L.A. Williams, Jr.
Charlie J. McCotter
T.Oscar Fultz, Jr.
Larry E. Kase
Max M. Askey
R.H. Seekford
Ralph H. Whitaker
George T. Swearingen
Darrell R. Maddock
S.R. Joseph
Martin G. Hyatt
Martin J. Shockley
Richard C. Axtell
Patricia A. Wright
Chesteter .J. Stachecki, Jr.
Robert L. Berry

1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007

Gene R. Payne
Nolan H. Newton
Rae W. Wolfensberger
Barry R. Engber
Leroy J. Bohn
Roger J. Wolfe
Joseph M. Conlon
Alice L. Anderson
Sue C. Ferguson
Jeffrey L. Heusel
Jonathan S. Cohen
Thomas J. Gallagher
David C. Arnold
Dennis A. Salmen
Andy Kyle
Tammy A. Brewer