| 2025 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2024 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2024 | John and Judy Spoelhof Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2023 | John and Judy Spoelhof Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2021 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2020 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2019 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2018 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2017 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2016 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2014 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2013 | Stephen and Valerie Spoelhof Foundation | 990PF | President, Treasurer, Director | 0 | $0 | - | View return |