| Glenn Hegar | July 2025-Present |
| John Sharp | September 2011-June 2025 |
| Michael D. McKinney | November 2006-June 2011 |
| Robert McTeer | November 2004-November 2006 |
| Howard D. Graves | August 1999-August 2003 |
| Barry B. Thompson | September 1994-August 1999 |
| William H. Mobley | September 1993-August 1994 |
| Herbert H. Richardson | September 1991-August 1993 |
| Perry L. Adkisson | June 1986-December 1990 |
| Arthur Hansen | July 1982-June 1986 |
| Frank W.R. Hubert | October 1979-June 1982 |
| Jack Kenny Williams | September 1970-January 1979 |
| James Earl Rudder | August 1965-March 1970 |
| Marion Thomas Harrington | September 1953-August 1965 |
| Gibb Gilchrist | September 1948-August 1953 |
