| 2025 | Kowalski Family Foundation | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2024 | Kowalski Family Foundation | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2024 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice President | 1 | $0 | $0 | View return |
| 2023 | We Work for Health | 990 | President | 1 | $120,000 | $0 | View return |
| 2023 | Kowalski Family Foundation | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2023 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice President | 1 | $0 | $0 | View return |
| 2023 | Young Mens Polish Association | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Holding Institute Inc. | 990 | Director | 10 | $0 | $0 | View return |
| 2022 | We Work for Health | 990 | President | 1 | $90,000 | $0 | View return |
| 2022 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Young Mens Polish Association | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Kowalski Family Foundation | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2022 | Holding Institute Inc. | 990 | Director | 10 | $0 | $0 | View return |
| 2021 | Texas Healthcare & Bioscience Institute | 990 | President & | 40 | $308,032 | $0 | View return |
| 2021 | Kowalski Family Foundation | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2021 | Mercy Housing Corporation | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2021 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2021 | Young Mens Polish Association | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Texas Healthcare & Bioscience Institute | 990 | President & | 40 | $276,332 | $0 | View return |
| 2020 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | Mercy Housing Corporation | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2020 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2020 | Kowalski Family Foundation | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2020 | Young Mens Polish Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Texas Healthcare & Bioscience Institute | 990 | President & | 40 | $260,093 | $0 | View return |
| 2019 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2019 | Mercy Housing Corporation | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2019 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | Young Mens Polish Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Holding Institute Inc. | 990 | Director | 10 | $0 | $0 | View return |
| 2018 | Texas Healthcare & Bioscience Institute | 990 | President & | 40 | $276,769 | $0 | View return |
| 2018 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2018 | Mercy Housing Corporation | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2018 | Young Mens Polish Association | 990EZ | Director | 1 | $0 | - | View return |
| 2018 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | Texas Healthcare & Bioscience Institute | 990 | President | 40 | $255,337 | $0 | View return |
| 2017 | Mercy Housing Corporation | 990 | Treasurer | 0.25 | $0 | $0 | View return |
| 2017 | Foundation for the Preservation of the Historic Millet Opera House | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2017 | Young Mens Polish Association | 990EZ | Director | 1 | $0 | - | View return |
| 2017 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2016 | Texas Healthcare & Bioscience Institute | 990 | President | 40 | $262,430 | $0 | View return |
| 2016 | Mercy Housing Corporation | 990 | Treasurer | 0.25 | $0 | $0 | View return |
| 2016 | Young Mens Polish Association | 990EZ | Director | 1 | $0 | - | View return |
| 2016 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2015 | Texas Healthcare & Bioscience Institute | 990 | President | 40 | $252,447 | $0 | View return |
| 2015 | Kowalski Family Foundation | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2015 | Mercy Housing Corporation | 990 | Treasurer | 0.25 | $0 | $0 | View return |
| 2015 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2015 | Young Mens Polish Association | 990EZ | Director | 1 | $0 | - | View return |
| 2014 | Texas Healthcare & Bioscience Institute | 990 | President | 40 | $255,440 | $0 | View return |
| 2014 | Mercy Housing Corporation | 990 | Treasurer | - | $0 | $0 | View return |
| 2014 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2014 | Young Mens Polish Association | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Texas Healthcare & Bioscience Institute | 990 | President | 40 | $242,245 | $0 | View return |
| 2013 | Mercy Housing Corporation | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2013 | Hagaman Volunteer Fire Department Inc. | 990 | Social Treas | 5 | $0 | $0 | View return |
| 2013 | Young Mens Polish Association | 990 | Director | 1 | $0 | $0 | View return |