| Number | Begin | End | Name |
| 34 | January 2020 | | Charles Thomas |
| 33 | August 2018 | January 2020 | Wesley Joyner |
| 32 | April 2017 | August 2018 | Jacob A. Wilson |
| 31 | January 2016 | April 2017 | David K. Sullivan |
| 30 | May 2015 | January 2016 | Jordan P. Williams |
| 29 | May 2014 | May 2015 | Britton T. Zellers |
| 28 | May 2013 | May 2014 | Michael W. Medley |
| 27 | August 2012 | May 2013 | Caleb C. Walters |
| 26 | August 2011 | August 2012 | Timothy J. Truelove |
| 25 | May 2010 | August 2011 | Luke Speed |
| 24 | August 2008 | May 2010 | Joshua Scott |
| 23 | June 2007 | August 2008 | Jon Evans |
| 22 | August 2006 | June 2007 | Samuel Davidson |
| 21 | March 2005 | August 2006 | Richard E. Brent |
| 20 | October 2004 | March 2005 | Dathan Terry |
| 19 | July 2003 | October 2004 | Robert G. Grandinetti III |
| 18 | April 2002 | July 2003 | Kurt E. E. Peper |
| 17 | November 2001 | April 2002 | Thomas D. Blanford |
| 16 | June 2000 | November 2001 | Arturo M. Otero |
| 15 | April 2000 | June 2000 | Daniel J. Britt |
| 14 | March 1999 | April 2000 | David K. Walker |
| 13 | June 1998 | March 1999 | Stephen L. Blankenship |
| 12 | September 1997 | June 1998 | Travis B. Thyberg |
| 11 | December 1996 | April 1997 | William B. Messick III |
| 10 | March 1996 | December 1996 | Matthew A. Grossman |
| 9 | April 1994 | March 1996 | D. Lynn Beane |
| 8 | March 1994 | April 1994 | Pete Blakeney |
| 7 | April 1993 | February 1994 | Timothy A. Draheim |
| 6 | April 1992 | | Jeremy Herndon |
| 5 | January 1982 | December 1984 | Ronald D. Boutwell |
| 4 | January 1981 | December 1982 | Craig L. Thomas |
| 3 | March 1964 | March 1965 | Mason B. Daniel Sr. |
| 1 | | | Allen R. Hobbs |
| 2 | | | Albert L. Price |