| 2024 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2024 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2023 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2023 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2022 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2022 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2021 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2021 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2020 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2020 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2019 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2019 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2018 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2018 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2017 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2017 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2015 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2015 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2014 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2014 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2013 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2013 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2012 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2012 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2011 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2011 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2010 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2010 | The Lee and Mary Volkmer Family Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2010 | The Laurine Volkmer Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |