| 2025 | Stroke Awareness Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2024 | Stroke Awareness Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | The Brandenburg Family Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2023 | The Brandenburg Family Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2023 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2023 | Stroke Awareness Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Grand Isle Volunteer Fire Department Inc. | 990 | 2nd Assistant Chief | 2 | $0 | $0 | View return |
| 2022 | Wequaquet Lake Yacht Club | 990EZ | Trustee | 2 | $0 | - | View return |
| 2022 | The Brandenburg Family Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2022 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2022 | Stroke Awareness Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Grand Isle Volunteer Fire Department Inc. | 990 | 2nd Assistant Chief | 2 | $0 | $0 | View return |
| 2021 | American Medical Group Associationinc | 990 | Employee | 40 | $179,406 | $0 | View return |
| 2021 | American Legion Post 10 | 990 | Committeeperson | 3 | $0 | $0 | View return |
| 2021 | Onion Creek American Legion Post 326 | 990EZ | Service Officer And Veterans Admini | 4 | $0 | $0 | View return |
| 2021 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2021 | Wequaquet Lake Yacht Club | 990EZ | Trustee | 2 | $0 | - | View return |
| 2021 | The Brandenburg Family Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2021 | Stroke Awareness Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | American Medical Group Associationinc | 990 | Employee | 40 | $164,867 | $0 | View return |
| 2020 | Wequaquet Lake Yacht Club | 990EZ | Trustee | 2 | $0 | - | View return |
| 2020 | Stroke Awareness Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2020 | The Brandenburg Family Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2019 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | American Medical Group Associationinc | 990 | Director Of Membership Dev | 40 | $110,986 | $0 | View return |
| 2014 | Stroke Awareness Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2014 | Boy Scouts of America | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Western New York Teamsters Welfare Fund | 990 | Trustee (For | 0.5 | $0 | $0 | View return |
| 2014 | The Brandenburg Historical Golf Museum C/O Lee H Brandenburg | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | International Brotherhood of Teamsters Local 264 | 990 | Secretary-Treasurer | 40 | $100,600 | $0 | View return |
| 2013 | International Brotherhood of Teamsters | 990 | Trustee | 1 | $700 | $0 | View return |
| 2013 | Boy Scouts of America | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Western New York Teamsters Welfare Fund | 990 | Trustee | 0.5 | $0 | $0 | View return |