| 2024 | Brotherhood of Railroad Signalmen | 990EZ | President | 2 | $0 | $0 | View return |
| 2023 | Osborne Family Foundation | 990PF | Director | 0.08 | $0 | $0 | View return |
| 2023 | Brotherhood of Railroad Signalmen | 990EZ | President | 1 | $0 | $0 | View return |
| 2023 | The American Friends of the British Museum Inc. | 990 | Ex-Officio | 1 | $0 | $0 | View return |
| 2022 | Osborne Family Foundation | 990PF | Director | 0.08 | $0 | $0 | View return |
| 2022 | Beta Theta Pi Fraternity Whitman Gamma Zeta | 990 | President | 0 | $0 | $0 | View return |
| 2022 | The American Friends of the British Museum Inc. | 990 | Ex-Officio | 1 | $0 | $0 | View return |
| 2021 | Osborne Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2021 | Benevolent and Protective Order of Elks of the USA | 990 | Exalted Ruler | 5 | $0 | $0 | View return |
| 2021 | Beta Theta Pi Fraternity Whitman Gamma Zeta | 990 | President | 0 | $0 | $0 | View return |
| 2021 | The American Friends of the British Museum Inc. | 990 | Ex-Officio | 1 | $0 | $0 | View return |
| 2020 | Lewiston Jazz Festival Inc. | 990EZ | Chairman | 1 | $0 | - | View return |
| 2020 | Beta Theta Pi Fraternity Whitman Gamma Zeta | 990 | Vice Preside | - | $0 | $0 | View return |
| 2020 | Benevolent and Protective Order of Elks of the USA | 990EZ | Exalted Ruler | 5 | $0 | - | View return |
| 2020 | Osborne Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2019 | Beta Theta Pi Fraternity Whitman Gamma Zeta | 990 | Vice Preside | - | $0 | $0 | View return |
| 2019 | Lewiston Jazz Festival Inc. | 990EZ | Chairman | 1 | $0 | - | View return |
| 2019 | Osborne Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2019 | Benevolent and Protective Order of Elks of the USA | 990 | Exalted Ruler | 5 | $0 | $0 | View return |
| 2018 | Beta Theta Pi Fraternity Whitman Gamma Zeta | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2018 | Osborne Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2018 | Lewiston Jazz Festival Inc. | 990EZ | Chairman | 1 | $0 | - | View return |
| 2017 | Osborne Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2017 | Lewiston Jazz Festival Inc. | 990EZ | Chairman | 1 | $0 | - | View return |
| 2016 | New Hope Fire Department Inc. | 990 | Vice President | 10 | $0 | $0 | View return |
| 2016 | Lewiston Jazz Festival Inc. | 990EZ | Chairman | 1 | $0 | - | View return |
| 2016 | Osborne Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2016 | The Lower Niagara River Region Chamber of Commerce Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Lewiston Jazz Festival Inc. | 990EZ | Director | 1 | $0 | - | View return |
| 2015 | Osborne Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | The Lower Niagara River Region Chamber of Commerce Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Artpark & Company Inc and Subsidiary | 990 | President | 40 | $139,050 | $0 | View return |
| 2014 | Lewiston Jazz Festival Inc. | 990EZ | Director | 1 | $0 | - | View return |
| 2014 | Osborne Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2014 | The Lower Niagara River Region Chamber of Commerce Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Artpark & Company Inc and Subsidiary | 990 | President | 40 | $142,741 | $0 | View return |
| 2013 | Lewiston Jazz Festival Inc. | 990EZ | Director | 0 | $0 | - | View return |
| 2013 | Osborne Family Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2013 | The Lower Niagara River Region Chamber of Commerce Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2012 | Osborne Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |