| 2025 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | Member At Large | 1 | $0 | - | View return |
| 2024 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | Member At Large | 1.5 | $0 | $0 | View return |
| 2024 | Precision Machined Products Association | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Madison Free Clinic Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | Member At Large | 1.5 | $0 | $0 | View return |
| 2023 | Susquehanna Hose Company Incorporated | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Allegro Community Music School | 990 | Advisory Board | 1 | $0 | $0 | View return |
| 2022 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | Member At Large | 1 | $0 | $0 | View return |
| 2022 | Allegro Community Music School | 990 | Advisory Board | 1 | $0 | $0 | View return |
| 2021 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | Member At Large | 0.5 | $0 | $0 | View return |
| 2021 | Allegro Community Music School | 990 | Advisory Board | 1 | $0 | $0 | View return |
| 2020 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | At Large | 0.5 | $0 | $0 | View return |
| 2020 | Allegro Community Music School | 990 | Advisory Board | 1 | $0 | $0 | View return |
| 2019 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | At Large | 0.5 | $0 | $0 | View return |
| 2019 | Susquehanna Hose Company Incorporated | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | National Senior Pro Rodeo Association | 990 | Director - Canadian Representative | 1 | $0 | $0 | View return |
| 2019 | Allegro Community Music School | 990 | Advisory Board | 1 | $0 | $0 | View return |
| 2018 | Susquehanna Hose Company Incorporated | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | At Large | 0.5 | $0 | $0 | View return |
| 2018 | National Senior Pro Rodeo Association | 990 | Director - Canadian Representative | 1 | $0 | $0 | View return |
| 2017 | Susquehanna Hose Company Incorporated | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Greenlake Aquaducks Masters Swimming Inc % Arni Litt | 990EZ | At Large | 0.5 | $0 | $0 | View return |
| 2017 | National Senior Pro Rodeo Association | 990 | Director - Canadian Representative | 1 | $0 | $0 | View return |
| 2017 | Little League Baseball Inc 4056406 Dixon LL | 990EZ | Info Officer | 2 | $0 | - | View return |
| 2016 | National Senior Pro Rodeo Association | 990 | Director - Canadian Representative | 1 | - | - | View return |
| 2016 | Susquehanna Hose Company Incorporated | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Rwyc Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Little League Baseball Inc 4056406 Dixon LL | 990EZ | Info Officer | 2 | $0 | - | View return |
| 2015 | Rwyc Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | United Way of the National Capital Areas | 990 | Prince William County Rep | 2 | $0 | $0 | View return |
| 2014 | Rwyc Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Unknown Organization | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | United Way of the National Capital Areas | 990 | Prince William County Rep | 2 | $0 | $0 | View return |
| 2013 | Rwyc Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2012 | Unknown Organization | 990PF | Director | 0.01 | $0 | $0 | View return |