| 2025 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $77,695 | - | View return |
| 2024 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $73,464 | - | View return |
| 2024 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $69,393 | - | View return |
| 2023 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $77,850 | - | View return |
| 2022 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $72,506 | - | View return |
| 2021 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $71,017 | - | View return |
| 2020 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $72,149 | - | View return |
| 2019 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 1 | $70,883 | - | View return |
| 2018 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Friends of the Bay Beach Wildlife Sanctuary Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Northeast Wisconsin Technical College Education Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Agricultural Heritage & Resources Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Northeast Wisconsin Technical College Education Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2011 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 2 | $60,580 | $0 | View return |
| 2010 | Byron L Walter Family Trust 11232555600 | 990PF | Co-Trustee | 2 | $58,410 | $0 | View return |