| 2024 | Houff Charitable Foundation | 990PF | Director/Pre | 0 | $0 | $0 | View return |
| 2024 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2023 | Houff Charitable Foundation | 990PF | Director/Pre | 0 | $0 | $0 | View return |
| 2023 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2022 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Houff Charitable Foundation | 990PF | Director/Pre | 0 | $0 | $0 | View return |
| 2021 | Houff Charitable Foundation | 990PF | Director/Pre | 1 | $0 | $0 | View return |
| 2021 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2021 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2020 | Houff Charitable Foundation | 990PF | Director/Pre | 1 | $0 | $0 | View return |
| 2019 | Houff Charitable Foundation | 990PF | Director/President | 1 | $0 | $0 | View return |
| 2019 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2018 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2018 | Houff Charitable Foundation | 990PF | Director/President | 1 | $0 | $0 | View return |
| 2018 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Houff Charitable Foundation | 990PF | Director/President | 1 | $0 | $0 | View return |
| 2017 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2017 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Houff Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2016 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2015 | Houff Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2015 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2015 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2014 | Houff Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2013 | Virginia Trucking Association Foundation | 990EZ | Director | 0.25 | $0 | - | View return |
| 2013 | Virginia Trucking Association | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Houff Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2012 | Houff Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2011 | Houff Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2010 | Houff Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |