| July 16, 1894 28 Stat. 107 |
February 10, 1954 68 Stat. 8 |
October 20, 1978 92 Stat. 1629 |
July 10, 1984 98 Stat. 333 |
December 1, 1990 104 Stat. 5089 |
| Marshall, John A. 1896-1915 |
Christensen, Albert S. 1954-1971 |
Winder, David K. 1979-1997 |
Greene, J. Thomas, Jr. 1985-1997 |
Benson, Dee V. 1991-2014 |
| Johnson, Tillman D. 1915-1949 |
Anderson, Aldon J. 1971-1984 |
Kimball, Dale A. 1997-2009 |
Stewart, B. Theadore 1999-2014 |
Parrish, Jill N. 2015- |
| Ritter, Willis W. 1949-1978 |
Sam, David 1985-1999 |
Nuffer, David O. 2012-2022 |
Nielson, Howard C., Jr. 2019- |
|
| Jenkins, Bruce S. 1978-1994 |
Cassell, Paul G. 2002-2007 |
Allen, Ann M. M. 2024- |
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| Campbell, Tena 1995-2011 |
Waddoups, Clark 2008-2019 |
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| Shelby, Robert J. 2012- |
Barlow, David B. 2020- |