Edward W. Crum 06 Feb 1968	Ira Dorsey 10 Mar 1987	Dan H. Campbell 16 Oct 1988	Wayne G. Gillespie !0 Jan 2003
Roger G. Seymour 29 Apr 2006	Gerald F. Winters 19 Sep 2015	Michael D. Mierau 29 Jan 2016	Gordon S. Livingston 16 Mar 2016
Jere K. Forbus 16 Nov 2016	James M. Crabbe 12 Mar 2019	Joseph M. Robinson 18 Nov 2019	John A. Le Febvre 20 Mar 2020
John P. Kane 03 Apr 2020	Robert C. Johnson 20 Jul 2020	Frank A. Partlow 20 Nov 2020	Phillip A. Walker 12 Aug 2022
Cyrus C. Wilson 29 Aug 2023	Joseph W. Stilwell 12 Nov 2024