1946 to 1974 George M. Bender*	1969 to 1995 A. J. Rose*
1948 to 1975 Robert F. Longano*	1969 to 1994 Clinton Zimlich*
1952 to 1988 George S. Broughton*	1970 to 1996 Martin Darus*
1952 to 2008 Melvin H. Kurtz*	1970 to 2011 Edward Wheaton*
1952 to 2003 Winfred F. Wisnieski*	1972 to 2001 Lee Malloy*
1952 to 1977 Stanley Wysocki*	1974 to date William Sharp
1953 to 1987 Ernest Arko*	1978 to 2016 Joseph Hornack*
1954 to 2001 LeRoy W. Myers*	1978 to date Harold Todt
1954 to 2006 Dr. Gordon P. Bennett*	1982 to 2012 Bill Loreta*
1958 to 2001 Harold R. Cassidy*	1982 to 2014 Willis Wells*
1958 to 2014 John J. Nicastro*	1985 to 2012 Jack Shallcross*
1858 to 1983 August J. Topolski*	1989 to date Eugene Chodzin
1959 to 2009 Jack W. Jordon*	1990 to date John Scouloukas
1964 to 2008 Robert W. Agan*	1992 to date Robert Jordan
1964 to 2006 Eugene Sauter*
1965 to 1997 Warren Kosicki*
1966 to 2011 Edward Kukawka*
1967 to 2018 Hampton Shadrach*
1968 to 1998 Ray Hasman*
1969 to 2014 Howard Benes*
1969 to 1998 Len Hrdlicka*
1969 to 1996 Richard Jender*

* Deceased