| 2024 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2024 | American Society of CIVIL Engineers - MD | 990EZ | Director | 4 | $0 | $0 | View return |
| 2023 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2023 | Hippodrome Foundation Inc. | 990 | Member | 5 | $0 | $0 | View return |
| 2022 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2022 | Hippodrome Foundation Inc. | 990 | Member | 5 | $0 | $0 | View return |
| 2021 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2021 | The 2030 Group Inc Co Buchanan Partners LLC | 990 | Director/Member | 0.5 | $0 | $0 | View return |
| 2021 | Hippodrome Foundation Inc. | 990 | Member | 5 | $0 | $0 | View return |
| 2020 | The 2030 Group Inc Co Buchanan Partners LLC | 990 | Director/Member | 0.5 | $0 | $0 | View return |
| 2020 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2019 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2019 | The 2030 Group Inc Co Buchanan Partners LLC | 990 | Director/Member | 0.5 | $0 | $0 | View return |
| 2019 | Hippodrome Foundation Inc. | 990 | Member | 5 | $0 | $0 | View return |
| 2018 | Martha B Gudelsky Child Development Center Inc. | 990 | Treasurer | 15 | $0 | $0 | View return |
| 2018 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2018 | Hippodrome Foundation Inc. | 990 | Member | 5 | $0 | $0 | View return |
| 2018 | The 2030 Group Inc Co Buchanan Partners LLC | 990 | Director/Member | 0.5 | $0 | $0 | View return |
| 2017 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2017 | Martha B Gudelsky Child Development Center Inc. | 990 | Treasurer | - | $0 | $0 | View return |
| 2017 | The 2030 Group Inc Co Buchanan Partners LLC | 990 | Director/Member | 0.5 | $0 | $0 | View return |
| 2017 | Hippodrome Foundation Inc. | 990 | Member | 5 | $0 | $0 | View return |
| 2016 | The 2030 Group Inc Co Buchanan Partners LLC | 990 | Director/Member | 0.5 | $0 | $0 | View return |
| 2016 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2016 | Hippodrome Foundation Inc. | 990 | Member | 5 | $0 | $0 | View return |
| 2015 | The 2030 Group Inc Co Buchanan Partners LLC | 990 | Director/Member | 0.5 | $0 | $0 | View return |
| 2015 | Washington Airports Task Force | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2014 | Washington Airports Task Force | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2013 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2013 | Washington Airports Task Force | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Hippodrome Foundation Inc. | 990 | Member | 5 | - | - | View return |
| 2012 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2011 | Homer and Martha Gudelsky Family Foundation Inc. | 990PF | Secretary | 1 | $0 | - | View return |