| 2024 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2024 | Camp Sylvester | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2023 | Camp Sylvester | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2022 | Camp Sylvester | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Stanislaus County Farm Bureau | 990 | Member | 2 | $0 | $0 | View return |
| 2021 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2021 | Camp Sylvester | 990 | Member | 1 | $0 | $0 | View return |
| 2021 | Stanislaus County Farm Bureau | 990 | Member | 2 | $0 | $0 | View return |
| 2020 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2020 | Camp Sylvester | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | Stanislaus County Farm Bureau | 990 | Member | 2 | $0 | $0 | View return |
| 2019 | Camp Sylvester | 990 | Member | 1 | $0 | $0 | View return |
| 2019 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2019 | Stanislaus County Farm Bureau | 990 | Member | 2 | $0 | $0 | View return |
| 2018 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2018 | Camp Sylvester | 990 | Past President | 1 | $0 | $0 | View return |
| 2018 | Stanislaus County Farm Bureau | 990 | Pass President | 2 | $0 | $0 | View return |
| 2017 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2017 | Camp Sylvester | 990 | Pass President | 1 | $0 | $0 | View return |
| 2017 | Stanislaus County Farm Bureau | 990 | Pass President | 2 | $0 | $0 | View return |
| 2016 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2016 | Camp Sylvester | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Stanislaus County Farm Bureau | 990 | President | 5 | $0 | $0 | View return |
| 2015 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2015 | H & H Van Klaveren Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | Camp Sylvester | 990 | President | 2 | $0 | $0 | View return |
| 2015 | Stanislaus County Farm Bureau | 990 | President | 2 | $0 | $0 | View return |
| 2014 | Camp Sylvester | 990 | Vice President | 2 | $0 | $0 | View return |
| 2014 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2014 | H & H Van Klaveren Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Stanislaus County Farm Bureau | 990 | Vice President | 2 | $0 | $0 | View return |
| 2013 | Camp Sylvester | 990 | Vice President | 2 | $0 | $0 | View return |
| 2013 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2013 | H & H Van Klaveren Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Stanislaus County Farm Bureau | 990 | Vice President | 2 | $0 | $0 | View return |
| 2012 | H & H Van Klaveren Family Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2012 | H & H Van Klaveren Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2011 | H & H Van Klaveren Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2010 | H & H Van Klaveren Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |