| Companion | Term |
|---|
| Carlos Galvan, Jr. | 2021 - 2022 |
| Daniel Rivas | 2020 - 2021 |
| Steven B. Herrera | 2019 - 2020 |
| John T. Bozarth | 2018 - 2019 |
| Jaime Ibarra | 2017 - 2018 |
| Jaime Ibarra | 2016 - 2017 |
| Jaime Ibarra | 2015 - 2016 |
| Jaime Ibarra | 2014 - 2015 |
| Jesus Morales | 2013 - 2014 |
| Jesus Morales | 2013 - 2014 |
| Keith Spencer | 2012 - 2013 |
| Fabriel Cisneros | 2011 - 2012 |
| Jamie Ibarra | 2010 - 2011 |
| Jose A. Arias | 2009 - 2010 |
| Michael Kuhlmann | 2008 - 2009 |
| Jules D. Frapart | 2007 - 2008 |
| Tomas Garcia | 2006 - 2007 |
| Elmer R. Pete Mitchell | 2005 - 2006 |
| Joe N. Rodriguez | 2004 - 2005 |
| Robert E. Wooten | 2003 - 2004 |
| William R. Sandell | 2002 - 2003 |
| Dillon E. Vanderford, Jr. | 2001 - 2002 |
| Juan Kenigstein | 2000 - 2001 |
| Tancil A. Caldwell | 1999 - 2000 |