| 2025 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2024 | Student Work Development Foundation Inc. | 990 | President | 20 | $18,192 | $0 | View return |
| 2024 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2023 | Student Work Development Foundation Inc. | 990 | President | 20 | $19,680 | $0 | View return |
| 2023 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2022 | Student Work Development Foundation Inc. | 990 | President | 20 | $20,200 | $0 | View return |
| 2022 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2022 | Catholic Family Services D/B/A the Lourdes Center | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2021 | Student Work Development Foundation Inc. | 990 | President | 10 | $15,600 | $0 | View return |
| 2021 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2021 | Catholic Family Services D/B/A the Lourdes Center | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2020 | Student Work Development Foundation Inc. | 990 | President | 10 | $17,950 | $0 | View return |
| 2020 | South Dakota Ready MIX Concrete Association | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2020 | Catholic Family Services D/B/A the Lourdes Center | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2019 | South Dakota Ready MIX Concrete Association | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2019 | Catholic Family Services D/B/A the Lourdes Center | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2018 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2018 | South Dakota Ready MIX Concrete Association | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Catholic Family Services D/B/A the Lourdes Center | 990 | Board Member Beg 11/18 | 0.5 | $0 | $0 | View return |
| 2017 | South Dakota Ready MIX Concrete Association | 990 | Past Preside | 1 | $0 | $0 | View return |
| 2017 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2016 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2016 | South Dakota Ready MIX Concrete Association | 990 | President | 1 | $0 | $0 | View return |
| 2015 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary / Treasurer | 1 | $0 | $0 | View return |
| 2015 | South Dakota Ready MIX Concrete Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Young Mens Christian Association of the Shoals Inc. | 990 | Bd. Of Director | - | $0 | $0 | View return |
| 2014 | Young Mens Christian Association of the Shoals Inc. | 990 | Bd. Of Director | - | $0 | $0 | View return |
| 2013 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary / Treasurer | 1 | $0 | $0 | View return |
| 2013 | Young Mens Christian Association of the Shoals Inc. | 990 | Bd. Of Director | - | $0 | $0 | View return |
| 2012 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary / Treasurer | 1 | $0 | $0 | View return |
| 2011 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary / Treasurer | 1 | $0 | $0 | View return |
| 2010 | Sonstegard-Tyrrell Scholarship Foundation | 990PF | Secretary / Treasurer | 1 | $0 | $0 | View return |