| 2025 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | St. Croix Railroad Inc. | 990 | Vice Preside | - | $0 | $0 | View return |
| 2023 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | St. Croix Railroad Inc. | 990 | Vice Preside | - | $0 | $0 | View return |
| 2022 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | St. Croix Railroad Inc. | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2021 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Fairhope Hospice & Palliative Care Inc. | 990 | Trustee Emeritus | 0 | $0 | $0 | View return |
| 2021 | St. Croix Railroad Inc. | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2020 | Seward County Historical Society | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | St. Croix Railroad Inc. | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2020 | Fairhope Hospice & Palliative Care Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2020 | The Arizona Episcopal Schools Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2019 | St. Croix Railroad Inc. | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2019 | Seward County Historical Society | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Fairhope Hospice & Palliative Care Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2019 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | The Arizona Episcopal Schools Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2018 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2018 | St. Croix Railroad Inc. | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2018 | Fairhope Hospice & Palliative Care Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2018 | Seward County Historical Society | 990EZ | Director | 1 | $0 | $0 | View return |
| 2018 | The Arizona Episcopal Schools Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2017 | Seward County Historical Society | 990EZ | Director | 1 | $0 | $0 | View return |
| 2017 | St. Croix Railroad Inc. | 990 | Vice Preside | 15 | $0 | $0 | View return |
| 2017 | Big Brothers Big Sisters of Fairfield County | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2017 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | Homewood Corporation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | The Arizona Episcopal Schools Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2016 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2016 | Big Brothers Big Sisters of Fairfield County | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2016 | Homewood Corporation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | St. Croix Railroad Inc. | 990 | Vice Preside | - | $0 | $0 | View return |
| 2016 | The Arizona Episcopal Schools Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Culver Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | St. Croix Railroad Inc. | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2015 | Big Brothers Big Sisters of Fairfield County | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2015 | The Arizona Episcopal Schools Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Culver Family Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2014 | St. Croix Railroad Inc. | 990 | Vice Preside | - | $0 | $0 | View return |
| 2014 | Homewood Corporation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2013 | St. Croix Railroad Inc. | 990 | Vice Preside | - | $0 | $0 | View return |