| Companion | Term |
|---|---|
| Jordan D. Driskell | 2021 - 2022 |
| Jonathan S. Carroll | 2020 - 2021 |
| Jonathan S. Carroll | 2019 - 2020 |
| Kenneth Don Williams | 2018 - 2019 |
| Kenneth Don Williams | 2017 - 2018 |
| Larry D.H. Coats | 2016 - 2017 |
| Douglas A. Price | 2015 - 2016 |
| Jeffrey A. Burt | 2014 - 2015 |
| Preston R. Curry | 2013 - 2014 |
| Peter F. Klein | 2012 - 2013 |
| Larry D.H. Coates | 2011 - 2012 |
| Larry D. H. Coats | 2010 - 2011 |
| Angus M. Crowder | 2009 - 2010 |