| 2024 | Leon and Arline Harman Foundation Inc. | 990PF | President | 10 | $0 | - | View return |
| 2024 | International Assn of Geosynthetic | 990EZ | President | 1 | $0 | - | View return |
| 2024 | Baltimore Area Council #220 Boy Scouts | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Leon and Arline Harman Foundation Inc. | 990PF | President | 10 | $500 | - | View return |
| 2023 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $400 | $0 | View return |
| 2023 | Franklin Christian Academy | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Baltimore Area Council #220 Boy Scouts | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | International Assn of Geosynthetic | 990 | President | 0 | $0 | $0 | View return |
| 2022 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $400 | $0 | View return |
| 2022 | Leon and Arline Harman Foundation Inc. | 990PF | Secretary | 0 | $0 | - | View return |
| 2022 | International Assn of Geosynthetic | 990EZ | Director | 0 | $0 | - | View return |
| 2022 | Baltimore Area Council #220 Boy Scouts | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Franklin Christian Academy | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2021 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $300 | $0 | View return |
| 2021 | International Assn of Geosynthetic | 990EZ | Director | 0 | $0 | - | View return |
| 2021 | Leon and Arline Harman Foundation Inc. | 990PF | Secretary | 0 | $0 | - | View return |
| 2021 | Franklin Christian Academy | 990 | Treasurer | - | $0 | $0 | View return |
| 2020 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $400 | $0 | View return |
| 2020 | International Assn of Geosynthetic | 990EZ | Director | 0 | $0 | - | View return |
| 2020 | Leon and Arline Harman Foundation Inc. | 990PF | Secretary | 0 | $0 | - | View return |
| 2020 | Franklin Christian Academy | 990 | Treasurer | - | $0 | $0 | View return |
| 2019 | Leon and Arline Harman Foundation Inc. | 990PF | Secretary | 0 | $0 | - | View return |
| 2019 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | International Assn of Geosynthetic | 990EZ | Director | 0 | $0 | - | View return |
| 2018 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $300 | $0 | View return |
| 2018 | Leon and Arline Harman Foundation Inc. | 990PF | Secretary | 0 | $0 | - | View return |
| 2018 | Sth Pony Baseball Inc. | 990EZ | Vice President | 3 | $0 | - | View return |
| 2017 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $750 | $0 | View return |
| 2017 | Leon and Arline Harman Foundation Inc. | 990PF | Secretary | 0 | $0 | - | View return |
| 2016 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $200 | $0 | View return |
| 2016 | Leon and Arline Harman Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Fraternal Order of Eagles 970 | 990 | Trustee | 2 | $150 | $0 | View return |
| 2015 | Leon and Arline Harman Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | The Raining Season | 990 | Board Member | 5 | $0 | $0 | View return |
| 2014 | Fraternal Order of Eagles 970 | 990 | Conductor | - | $100 | $0 | View return |
| 2014 | John and Wauna Harman Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2014 | Leon and Arline Harman Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | John and Wauna Harman Foundation | 990PF | Director | 1 | $599 | - | View return |
| 2013 | The Raining Season | 990 | - | 5 | $0 | $0 | View return |
| 2013 | Leon and Arline Harman Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2012 | John and Wauna Harman Foundation | 990PF | Director | 0 | $599 | - | View return |