| 2025 | United Steelworkers Local 2599 | 990 | Financial Secretary | 8 | $18,965 | $0 | View return |
| 2025 | Ziegler Charitable Foundation C/O Paul W Ziegler | 990PF | President And Treasurer | 0 | $0 | $0 | View return |
| 2024 | United Steelworkers Local 2599 | 990 | Financial Secretary | 8 | $18,152 | $0 | View return |
| 2024 | Ziegler Charitable Foundation C/O Paul W Ziegler | 990PF | President And Treasurer | 0 | $0 | $0 | View return |
| 2024 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | United Steelworkers Local 2599 | 990 | Financial Secretary | 8 | $16,290 | $0 | View return |
| 2023 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Ziegler Charitable Foundation C/O Paul W Ziegler | 990PF | President And Treasurer | 0 | $0 | $0 | View return |
| 2023 | Knights of Columbus Council 6456 | 990EZ | Warden | 1 | $0 | $0 | View return |
| 2023 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | United Steelworkers Local 2599 | 990 | Financial Secretary | 8 | $11,825 | $0 | View return |
| 2022 | Ziegler Charitable Foundation C/O Paul W Ziegler | 990PF | President And Treasurer | 0 | $0 | $0 | View return |
| 2022 | Calif Workers' Compensation Institute | 990 | Director (Thru 03/08/22) | 1 | $0 | $0 | View return |
| 2022 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Knights of Columbus Council 6456 | 990EZ | Warden | 1 | $0 | $0 | View return |
| 2022 | California Association of School Business Officials | 990 | Section Director | 2 | $0 | $0 | View return |
| 2021 | United Steelworkers Local 2599 | 990 | Financial Secretary | 8 | $11,792 | $0 | View return |
| 2021 | Ziegler Charitable Foundation C/O Paul W Ziegler | 990PF | President And Treasurer | 0 | $0 | $0 | View return |
| 2021 | Knights of Columbus Council 6456 | 990EZ | Warden | 1 | $0 | $0 | View return |
| 2021 | Veterans of Foreign Wars | 990 | Quartermaster | 20 | $0 | $0 | View return |
| 2021 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | California Association of School Business Officials | 990 | Section Director | 2 | $0 | $0 | View return |
| 2020 | United Steelworkers Local 2599 | 990 | Financial Secretary | 8 | $6,383 | $0 | View return |
| 2020 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2020 | Knights of Columbus Council 6456 | 990EZ | Warden | 1 | $0 | $0 | View return |
| 2020 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Military Order of the Cootie of the United States | 990 | Supreme Jimmy Legs | 5 | $0 | $0 | View return |
| 2020 | California Association of School Business Officials | 990 | Section Director | 2 | $0 | $0 | View return |
| 2020 | Veterans of Foreign Wars | 990 | Quartermaster | 20 | $0 | $0 | View return |
| 2020 | Ziegler Charitable Foundation C/O Paul W Ziegler | 990PF | President And Treasurer | 0 | $0 | $0 | View return |
| 2019 | Military Order of the Cootie of the United States | 990 | Supreme Jimmy Legs | 5 | $0 | $0 | View return |
| 2019 | Knights of Columbus Council 6456 | 990EZ | Warden | 1 | $0 | $0 | View return |
| 2019 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2019 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | California Association of School Business Officials | 990 | Section Director | 2 | $0 | $0 | View return |
| 2019 | Veterans of Foreign Wars | 990 | Quartermaster | 20 | $0 | $0 | View return |
| 2018 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2018 | The Greater St Louis Arts and Education Council | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | California Association of School Business Officials | 990 | Section Director | 2 | $0 | $0 | View return |
| 2017 | Associated Builders and Contractors Eastern Pa Chapter Inc | 990 | Past Chairman | 2 | $0 | $0 | View return |
| 2017 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Knights of Columbus Council 6456 | 990EZ | Warden | 1 | $0 | - | View return |
| 2017 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2017 | Associated Builders and Contractors Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | California Association of School Business Officials | 990 | Section Director | 2 | $0 | $0 | View return |
| 2016 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2016 | Pediatric Retinal Research Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Pinellas Park Gateway Chamber of Commerce | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | Associated Builders and Contractors Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Knights of Columbus Council 6456 | 990EZ | Warden | 1 | $0 | - | View return |
| 2016 | Associated Builders and Contractors Eastern Pa Chapter Inc | 990 | Chairman | 3 | $0 | $0 | View return |
| 2015 | Calif Workers' Compensation Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2015 | Pinellas Park Gateway Chamber of Commerce | 990 | Director | 5 | $0 | $0 | View return |
| 2015 | Associated Builders and Contractors Eastern Pa Chapter Inc | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2015 | Associated Builders and Contractors Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Pediatric Retinal Research Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2014 | Mcsa Outreach Foundation | 990EZ | Member | 0.5 | $0 | - | View return |
| 2014 | Associated Builders and Contractors Eastern Pa Chapter Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | The Hiram House | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Missouri Association of School Administrators | 990 | Past President | 1 | $0 | $0 | View return |
| 2014 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2014 | Washington County Historical Society Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | United Way of Washington County Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Pediatric Retinal Research Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2014 | Pinellas Park Gateway Chamber of Commerce | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | Van Gogh'S Palette Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2013 | Washington County Historical Society Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Hiram House | 990 | Trustee | - | $0 | $0 | View return |
| 2013 | Associated Builders and Contractors Eastern Pa Chapter Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Missouri Association of School Administrators | 990 | President | 1 | $0 | $0 | View return |
| 2013 | Pediatric Retinal Research Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2013 | United Way of Washington County Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Van Gogh'S Palette Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2011 | Paul R & Colleen M Ziegler Family Foundation | 990PF | President | 0 | $0 | - | View return |