| 2025 | San Antonio Medical Foundation | 990 | Director | 1.5 | $0 | $0 | View return |
| 2024 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2024 | The Witte Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2024 | The Dawson Charitable Foundation | 990PF | Secretary And Director | 1 | $0 | $0 | View return |
| 2024 | Williston Community Builders | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2023 | Junior Achievement of South Texas Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Pape-Dawson Engineers Charitable Foundation | 990 | Vice President/Director | 1 | $0 | $0 | View return |
| 2023 | The Dawson Charitable Foundation | 990PF | Secretary And Director | 1 | $0 | $0 | View return |
| 2022 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2022 | Pape-Dawson Consulting Engineers Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Pape-Dawson Engineers Charitable Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Junior Achievement of South Texas Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | American Society of CIVIL Engineers San Antonio Branch | 990EZ | Past President | 1 | $0 | $0 | View return |
| 2021 | Pape-Dawson Engineers Charitable Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Junior Achievement of South Texas Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Pape-Dawson Consulting Engineers Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2021 | American Society of CIVIL Engineers San Antonio Branch | 990EZ | President | 2 | $0 | - | View return |
| 2020 | Tukabatchee Area Council Boy Scouts Of | 990 | Member | - | $0 | $0 | View return |
| 2020 | The Greater San Antonio Chamber Of | 990 | Director | 9 | $0 | $0 | View return |
| 2020 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2020 | Pape-Dawson Engineers Charitable Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | American Society of CIVIL Engineers San Antonio Branch | 990EZ | President El | 2 | $0 | - | View return |
| 2020 | Pape-Dawson Consulting Engineers Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Greater San Antonio Chamber Of | 990 | Director | 9 | $0 | $0 | View return |
| 2019 | Pape-Dawson Engineers Charitable Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Tukabatchee Area Council Boy Scouts Of | 990 | Member | - | $0 | $0 | View return |
| 2019 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2019 | Pape-Dawson Consulting Engineers Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | American Society of CIVIL Engineers San Antonio Branch | 990EZ | VP Programs | 2 | $0 | - | View return |
| 2018 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2018 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Tukabatchee Area Council Boy Scouts Of | 990 | Member | - | $0 | $0 | View return |
| 2018 | Pape-Dawson Consulting Engineers Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Sam and Laura Dawson Family Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2017 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Tukabatchee Area Council Boy Scouts Of | 990 | Member | - | $0 | $0 | View return |
| 2016 | Alabama Archives and History Foundation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Montgomery Symphony Association | 990 | Board Member | 2 | $0 | $0 | View return |
| 2015 | Alabama Archives and History Foundation | 990 | Board Member | - | $0 | $0 | View return |
| 2015 | Montgomery Symphony Association | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Montgomery Symphony Association | 990 | Board Member | 2 | $0 | $0 | View return |
| 2013 | Montgomery Symphony Association | 990 | Board Member | 2 | $0 | $0 | View return |