| 2024 | Dairyland Power Cooperative | 990 | Current Director | 8 | $43,347 | $0 | View return |
| 2024 | Scenic Rivers Energy Cooperative | 990 | Vice Chairma | 6 | $7,250 | $0 | View return |
| 2024 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2024 | Mima Marauders Club | 990EZ | Secretary Treasurer | 5 | $0 | $0 | View return |
| 2024 | Davidson Family Foundation | 990PF | Past President | 0 | $0 | $0 | View return |
| 2024 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2023 | Dairyland Power Cooperative | 990 | Current Director - Treasurer | 12 | $25,301 | $0 | View return |
| 2023 | Scenic Rivers Energy Cooperative | 990 | Vice Chairma | 6 | $7,850 | $0 | View return |
| 2023 | Mima Marauders Club | 990EZ | Secretary Treasurer | 5 | $0 | $0 | View return |
| 2023 | Palacios Area Historical Assn | 990 | Secretary | 4 | $0 | $0 | View return |
| 2023 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2023 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2023 | Davidson Family Foundation | 990PF | Past President | 0 | $0 | $0 | View return |
| 2023 | The Hands of Love Foundation Inc | 990EZ | Secretary | 3 | $0 | $0 | View return |
| 2022 | Dairyland Power Cooperative | 990 | Board Member / Treasurer Of The Board | 12 | $22,197 | $0 | View return |
| 2022 | Scenic Rivers Energy Cooperative | 990 | Vice Chairma | 8 | $9,000 | $0 | View return |
| 2022 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2022 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2022 | Davidson Family Foundation | 990PF | Past President | 5 | $0 | $0 | View return |
| 2022 | Oregon Coast Humane Society | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2022 | PTA California Congress of Parents | 990EZ | Treasurer | 20 | $0 | - | View return |
| 2022 | Artsplosure the Raleigh Arts Festival | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Dairyland Power Cooperative | 990 | Board Member/Treasurer Of The Board | 12 | $19,450 | $0 | View return |
| 2021 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 6 | $8,250 | $0 | View return |
| 2021 | Davidson Family Foundation | 990PF | President | 5 | $0 | - | View return |
| 2021 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2021 | Oregon Coast Humane Society | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2021 | Vanguards Football Boosters | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2021 | PTA California Congress of Parents | 990EZ | Treasurer | 20 | $0 | - | View return |
| 2020 | Dairyland Power Cooperative | 990 | Board Member | 8 | $23,449 | $0 | View return |
| 2020 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 4 | $8,150 | $0 | View return |
| 2020 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2020 | Oregon Coast Humane Society | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2020 | Davidson Family Foundation | 990PF | President | 5 | $0 | - | View return |
| 2020 | Vanguards Football Boosters | 990EZ | Treasurer | 10 | $0 | - | View return |
| 2020 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Vice President / Trustee | 1 | $0 | $0 | View return |
| 2019 | Dairyland Power Cooperative | 990 | Board Member | 13 | $17,238 | $0 | View return |
| 2019 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 5 | $8,700 | $0 | View return |
| 2019 | Davidson Family Foundation | 990PF | President | 5 | $0 | - | View return |
| 2019 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2019 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2019 | Oregon Coast Humane Society | 990 | Treasurer | - | $0 | $0 | View return |
| 2019 | The Davidson Family Foundation | 990PF | Vice President | 0.25 | $0 | - | View return |
| 2019 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 1 | $0 | $0 | View return |
| 2018 | Dairyland Power Cooperative | 990 | Board Member | 8 | $17,772 | $0 | View return |
| 2018 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 6 | $8,500 | $0 | View return |
| 2018 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 6 | $8,500 | $0 | View return |
| 2018 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2018 | Davidson Family Foundation | 990PF | Secretary/Treas | 5 | $0 | - | View return |
| 2018 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2018 | Oregon Coast Humane Society | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | National Black Law Students Association | 990 | Regional Chair Western | 0 | $0 | $0 | View return |
| 2018 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 1 | $0 | $0 | View return |
| 2018 | Davidson Family Foundation | 990PF | Secretary/Treas | 5 | $0 | - | View return |
| 2018 | D&S Davidson Family Foundation | 990PF | Vice President, Secretary | 10 | $0 | $0 | View return |
| 2017 | Dairyland Power Cooperative | 990 | Board Member | 6 | $12,855 | $0 | View return |
| 2017 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 5 | $8,750 | $0 | View return |
| 2017 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2017 | Davidson Family Foundation | 990PF | Secretary/Treas | 5 | $0 | - | View return |
| 2017 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 1 | $0 | $0 | View return |
| 2016 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 3 | $8,200 | $0 | View return |
| 2016 | Dairyland Power Cooperative | 990 | Board Member (Sept - Dec) | 5 | $3,754 | $0 | View return |
| 2016 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2016 | Runkle School Extended Day Program Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2016 | Cholorock Dance | 990PF | Director | 1 | $0 | - | View return |
| 2016 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 1 | $0 | $0 | View return |
| 2016 | The Davidson Family Foundation | 990PF | Vice President | 0.25 | $0 | - | View return |
| 2015 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 5 | $9,350 | $0 | View return |
| 2015 | D&S Davidson Family Foundation | 990PF | Vice President, Treasurer | 10 | $0 | $0 | View return |
| 2015 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2015 | North Country Mission of Hope | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 1 | $0 | $0 | View return |
| 2015 | Runkle School Extended Day Program Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2014 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 4 | $8,500 | $0 | View return |
| 2014 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 4 | $8,500 | $0 | View return |
| 2014 | Runkle School Extended Day Program Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2014 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2014 | North Country Mission of Hope | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 1 | $0 | $0 | View return |
| 2013 | Scenic Rivers Energy Cooperative | 990 | Sec/Treasuer | 4.5 | $8,000 | $0 | View return |
| 2013 | Runkle School Extended Day Program Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2013 | North Country Mission of Hope | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2013 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 0.25 | $0 | $0 | View return |
| 2012 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2012 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 0 | $0 | $0 | View return |
| 2011 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2011 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Secretary / Trustee | 0 | $0 | $0 | View return |
| 2010 | The William & Sandra Davidson Family | 990PF | Vice President/Secretary | 2 | $0 | $0 | View return |
| 2010 | Calder Foundation Co Lh Frishkoff & Company LLP | 990PF | Trustee | 0 | $0 | $0 | View return |