| 2024 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Benevolent and Protective Order of Elks Lodge 1249 | 990 | Secretary | 4 | $2,800 | $0 | View return |
| 2014 | Benevolent and Protective Order of Elks Lodge 1249 | 990 | Secretary | 4 | $2,800 | $0 | View return |
| 2013 | Benevolent and Protective Order of Elks Lodge 1249 | 990 | Secretary | 4 | $2,800 | $0 | View return |
| 2013 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $0 | View return |