| 2025 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2024 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2024 | Material Handling Society New Jersey Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2024 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Material Handling Society New Jersey Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2023 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2022 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2022 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | $0 | $0 | View return |
| 2022 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2021 | Chesterfield County Police Foundation Inc. | 990 | Chairman | 3 | $0 | $0 | View return |
| 2021 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Chesterfield County Police Foundation Inc. | 990 | Chairman | 3 | $0 | $0 | View return |
| 2020 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2020 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2019 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | $0 | $0 | View return |
| 2019 | Chesterfield County Police Foundation Inc. | 990 | Chairman | 3 | $0 | $0 | View return |
| 2019 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Chesterfield County Police Foundation Inc. | 990EZ | Chairman | 3 | $0 | $0 | View return |
| 2018 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2018 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | - | - | View return |
| 2017 | Chesterfield County Police Foundation Inc. | 990EZ | Chairman | 2 | $0 | $0 | View return |
| 2017 | Windthorst Water Supply Corporation | 990 | President | 4 | $0 | $0 | View return |
| 2017 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Windthorst Water Supply Corporation | 990 | Sec.-Treas | 1 | $0 | $0 | View return |
| 2016 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Chesterfield County Police Foundation Inc. | 990EZ | Chairman | 2 | $0 | $0 | View return |
| 2016 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | - | - | View return |
| 2015 | Jefferson Volunteer Fire Company | 990 | Trustee | 5 | - | - | View return |
| 2015 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Windthorst Water Supply Corporation | 990 | Sec.-Treas | 1 | $0 | $0 | View return |
| 2015 | Chesterfield County Police Foundation Inc. | 990EZ | Chairman | 2 | $0 | $0 | View return |
| 2015 | Phi Kappa Tau Fraternity Alpha Lambda Chapter | 990 | Secretary | 5 | $0 | $0 | View return |
| 2014 | Junior Achievement North | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Windthorst Water Supply Corporation | 990 | Sec.-Treas | 1 | $0 | $0 | View return |
| 2014 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Historic Preservation Trust of Pike County Pennsylvania Inc. | 990EZ | Secretary/Treasurer | 4 | $0 | $0 | View return |
| 2013 | Windthorst Water Supply Corporation | 990 | Sec.-Treas | 1 | $0 | $0 | View return |
| 2013 | Iowa Natural Heritage Foundation | 990 | Director | 1 | $0 | $0 | View return |