| 2024 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $36,872 | $0 | View return |
| 2024 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $36,872 | View return |
| 2024 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $36,872 | View return |
| 2023 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $70,595 | $0 | View return |
| 2023 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $70,595 | View return |
| 2023 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $70,595 | View return |
| 2022 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $68,240 | $0 | View return |
| 2022 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $68,240 | View return |
| 2022 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $68,240 | View return |
| 2021 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $70,805 | $0 | View return |
| 2021 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $70,805 | View return |
| 2021 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $70,805 | View return |
| 2020 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $38,745 | $0 | View return |
| 2020 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $38,745 | View return |
| 2020 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $38,745 | View return |
| 2019 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $46,999 | $0 | View return |
| 2019 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $46,999 | View return |
| 2019 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $46,999 | View return |
| 2018 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $34,657 | $0 | View return |
| 2018 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $34,657 | View return |
| 2018 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $34,657 | View return |
| 2017 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $24,480 | View return |
| 2017 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $24,480 | View return |
| 2016 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $9,094 | $0 | View return |
| 2016 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $9,094 | View return |
| 2016 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $9,094 | View return |
| 2013 | Johnson O'Connor Research Foundation Inc | 990 | Trustee | 1 | $5,640 | $0 | View return |
| 2013 | Human Engineering Laboratory Incorporated | 990 | Trustee | 1 | $0 | $5,640 | View return |
| 2013 | Johnson O'Connor Research Support Corporation | 990 | Trustee | 1 | $0 | $5,640 | View return |