| 2024 | Covington Outreach Association Inc. | 990EZ | Director | 2 | $0 | - | View return |
| 2024 | New Jersey Education Association | 990 | President | 5 | $0 | $0 | View return |
| 2024 | The Holewinski Family Foundation Inc. | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2023 | The Holewinski Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | Covington Outreach Association Inc. | 990EZ | Director | 3 | $0 | - | View return |
| 2022 | The Holewinski Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2022 | New Jersey Education Association | 990 | President | 5 | $0 | $0 | View return |
| 2022 | Covington Outreach Association Inc. | 990EZ | Director | 3 | $0 | - | View return |
| 2021 | The Holewinski Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | New Jersey Education Association | 990 | President | 5 | $0 | $0 | View return |
| 2021 | Covington Outreach Association Inc. | 990EZ | Director | 3 | $0 | - | View return |
| 2020 | The Holewinski Family Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Covington Outreach Association Inc. | 990EZ | Director | 1 | $0 | - | View return |
| 2019 | Covington Outreach Association Inc. | 990EZ | Director | 0 | $0 | - | View return |
| 2019 | The Holewinski Family Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2018 | The Holewinski Family Foundation Inc. | 990PF | Treasurer | 0 | $0 | $0 | View return |
| 2018 | The Holewinski Family Foundation Inc. | 990PF | Treasurer | 0 | $0 | $0 | View return |
| 2017 | Citizens for Nuclear Technology Awareness Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Holewinski Family Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2016 | The Holewinski Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | Citizens for Nuclear Technology Awareness Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Intensive Education Academy Inc. | 990 | Secretary & Treasurer | 40 | $0 | $114,386 | View return |
| 2015 | Sheboygan County Chamber of Commerce Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | The Holewinski Family Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | Intensive Education Academy Inc. | 990 | Secretary & Treasurer | 40 | $0 | $104,177 | View return |
| 2014 | The Holewinski Family Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2014 | Sheboygan County Chamber of Commerce Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Intensive Education Academy Inc. | 990 | Secretary & Treasurer | 40 | $98,280 | $0 | View return |
| 2013 | Sheboygan County Chamber of Commerce Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | The Holewinski Family Foundation Inc. | 990PF | Director | 1 | $0 | - | View return |
| 2012 | The Holewinski Family Foundation Inc. | 990PF | Director | 0.25 | $0 | - | View return |
| 2011 | The Holewinski Family Foundation Inc. | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2010 | The Holewinski Family Foundation Inc. | 990PF | Director | 0.25 | $0 | - | View return |
