| 2025 | Fraternal Order of Eagles 631 Aerie | 990 | Trustee | 4 | $0 | $0 | View return |
| 2025 | Brewton Sportsman Club | 990EZ | Vice Chairma | 0 | $0 | - | View return |
| 2024 | Fraternal Order of Eagles 631 Aerie | 990 | Trustee | 4 | $0 | $0 | View return |
| 2024 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2024 | Friends of Craft Inc. | 990 | Vice Preside | - | $0 | $0 | View return |
| 2024 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 1 | $0 | $0 | View return |
| 2023 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $150,852 | $0 | View return |
| 2023 | Fraternal Order of Eagles 631 Aerie | 990 | Trustee | 4 | $0 | $0 | View return |
| 2023 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 1 | $0 | $0 | View return |
| 2023 | Friends of Craft Inc. | 990 | Vice Preside | - | $0 | $0 | View return |
| 2023 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2023 | Rose-Hulman Institute of Technology | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2022 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $131,034 | $0 | View return |
| 2022 | Fraternal Order of Eagles 631 Aerie | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Friends of Craft Inc. | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2022 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 0 | $0 | $0 | View return |
| 2022 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2022 | Rose-Hulman Institute of Technology | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2021 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $131,151 | $0 | View return |
| 2021 | Friends of Craft Inc. | 990 | Director | - | $0 | $0 | View return |
| 2021 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 0 | $0 | $0 | View return |
| 2021 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2021 | Rose-Hulman Institute of Technology | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2020 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $129,119 | $0 | View return |
| 2020 | University of Nevada Las Vegas Alumni Association Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 0 | $0 | $0 | View return |
| 2020 | Friends of Craft Inc. | 990 | Director | - | $0 | $0 | View return |
| 2020 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2020 | Rose-Hulman Institute of Technology | 990 | Trustee, Vice Chairman | 1 | $0 | $0 | View return |
| 2019 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $126,263 | $0 | View return |
| 2019 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 0 | $0 | $0 | View return |
| 2019 | Sheridan Beach Community Club Inc | 990 | Covenants | 0 | $0 | $0 | View return |
| 2019 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2019 | Friends of Craft Inc. | 990 | Director | - | $0 | $0 | View return |
| 2019 | American Legion Post 93 | 990 | Director | 5 | $0 | $0 | View return |
| 2019 | Darlington Fine Arts Center Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Rose-Hulman Institute of Technology | 990 | Trustee, Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $122,630 | $0 | View return |
| 2018 | Friends of Craft Inc. | 990 | Director | - | $0 | $0 | View return |
| 2018 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2018 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 0 | $0 | $0 | View return |
| 2018 | Darlington Fine Arts Center Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Sheridan Beach Community Club Inc | 990 | Covenants | 0 | $0 | $0 | View return |
| 2018 | Rose-Hulman Institute of Technology | 990 | Trustee, Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2017 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $120,140 | $0 | View return |
| 2017 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $120,140 | $0 | View return |
| 2017 | Friends of Craft Inc. | 990 | Director | - | $0 | $0 | View return |
| 2017 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 1 | $0 | $0 | View return |
| 2017 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2017 | Historic Landmarks Foundation of Indiana Inc. | 990 | Immediate Past Chairman | 0.5 | $0 | $0 | View return |
| 2017 | Partners in Bible Translation Inc. | 990EZ | Secretary | 5 | $0 | - | View return |
| 2017 | Darlington Fine Arts Center Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Historic Landmarks Foundation of Indiana Inc. | 990 | Immediate Past Chairman | 0.5 | $0 | $0 | View return |
| 2016 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $111,487 | $0 | View return |
| 2016 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2016 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 0 | $0 | $0 | View return |
| 2016 | Historic Landmarks Foundation of Indiana Inc. | 990 | Immediate Past Chairman | 0.5 | $0 | $0 | View return |
| 2016 | Partners in Bible Translation Inc. | 990EZ | Secretary | 5 | $0 | - | View return |
| 2015 | American Federation of State County & Municipal Employees 371 Ny Loc Social Se | 990 | Vice President | 35 | $92,712 | $0 | View return |
| 2015 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | - | $0 | - | View return |
| 2015 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2015 | Historic Landmarks Foundation of Indiana Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2015 | Partners in Bible Translation Inc. | 990EZ | Secretary | 5 | $0 | - | View return |
| 2015 | Rose-Hulman Institute of Technology | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2014 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | 1 | $0 | - | View return |
| 2014 | Rose-Hulman Institute of Technology | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Metanoia Project Inc. | 990EZ | Program Dire | 20 | $12,145 | - | View return |
| 2013 | Gayle and Bill Cook Foundation C/O Kozusko Harris Duncan LLP | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2013 | The Euphonium Foundation Donald D Kozusko Secretary | 990 | President & Director | - | - | - | View return |
| 2013 | Helping Hands Crisis Pregnancy Clinic | 990EZ | President | 1 | $0 | - | View return |
| 2013 | Rose-Hulman Institute of Technology | 990 | Trustee | 1 | $0 | $0 | View return |