| 2024 | Edson & Margaret Larson Foundation | 990PF | President | 2 | $15,000 | $0 | View return |
| 2024 | Acme Water Company Inc | 990 | Board Member | 0.5 | $380 | $0 | View return |
| 2024 | Columbia Basin College Foundation | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | Edson & Margaret Larson Foundation | 990PF | President | 2 | $15,000 | $0 | View return |
| 2023 | Acme Water Company Inc | 990 | Board Member | 0.5 | $300 | $0 | View return |
| 2023 | Columbia Basin College Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Edson & Margaret Larson Foundation | 990PF | President | 2 | $15,000 | $0 | View return |
| 2022 | Acme Water Company Inc | 990 | Board Member | 0.5 | $400 | $0 | View return |
| 2022 | Columbia Basin College Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | Edson & Margaret Larson Foundation | 990PF | President | 2 | $10,000 | $0 | View return |
| 2021 | Acme Water Company Inc | 990 | Board Member | 0.5 | $240 | $0 | View return |
| 2021 | Columbia Basin College Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | Edson & Margaret Larson Foundation | 990PF | President | 2 | $6,000 | $0 | View return |
| 2020 | Acme Water Company Inc | 990 | Board Member | 0.5 | $340 | $0 | View return |
| 2020 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | Columbia Basin College Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Acme Water Company Inc | 990 | Board Member | 0.5 | $340 | $0 | View return |
| 2019 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | Columbia Basin College Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Acme Water Company Inc | 990 | Board Member | 0.5 | $340 | $0 | View return |
| 2018 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | Columbia Basin College Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | Acme Water Company Inc | 990EZ | Board Member | 0 | $340 | - | View return |
| 2017 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | Palm Beach Radio Control Assn | 990EZ | Director | 5 | $0 | $0 | View return |
| 2016 | Acme Water Company Inc | 990EZ | Board Member | 0 | $1,230 | - | View return |
| 2016 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | Acme Water Company Inc | 990EZ | Board Member | 0 | $880 | - | View return |
| 2015 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | Glacier Valley Transit | 990 | Pres -Part Year | 1 | $0 | $0 | View return |
| 2015 | Phi Delta Kappa International Inc | 990 | Chair | 5 | $0 | $0 | View return |
| 2014 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Glacier Valley Transit | 990 | President | 1 | $0 | $0 | View return |
| 2014 | Phi Delta Kappa International Inc | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2013 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Glacier Valley Transit | 990 | President | 1 | $0 | $0 | View return |
| 2013 | Phi Delta Kappa International Inc | 990 | President Elect | 5 | $0 | $0 | View return |
| 2012 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2011 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2010 | Ralph Boone Charitable Foundation | 990PF | Director | 0 | $0 | $0 | View return |