| 2024 | Alumni Assoc of the Roman Catholic High School of Philadelphia | 990 | Director | 5 | $0 | $0 | View return |
| 2024 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2023 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2022 | Laborers International Union of 341 Hcl | 990 | Sergeant At Arms | 54 | $122,327 | $0 | View return |
| 2022 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2022 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director - E | 1 | $0 | $0 | View return |
| 2021 | Laborers International Union of 341 Hcl | 990 | Sergeant At Arms | 40 | $103,236 | $0 | View return |
| 2021 | Aj Bear Piekarski Scholarship and Charit and Charitable Fund | 990 | Sergeant At Arms | 1 | $0 | $103,236 | View return |
| 2021 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2021 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director - E | 1 | $0 | $0 | View return |
| 2020 | Laborers International Union of 341 Hcl | 990 | Sergeant At Arms | 40 | $113,760 | $0 | View return |
| 2020 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director Eme | 1 | $0 | $0 | View return |
| 2020 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2019 | Laborers International Union of 341 Hcl | 990 | Elected Auditor | 52 | $100,862 | $0 | View return |
| 2019 | Halter Wildlife Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2018 | Laborers International Union of 341 Hcl | 990 | Elected Auditor | 54 | $94,000 | $0 | View return |
| 2018 | Halter Wildlife Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2018 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Laborers International Union of 341 Hcl | 990 | Elected Auditor | 54 | $92,175 | $0 | View return |
| 2017 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2017 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Halter Wildlife Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | Laborers International Union of 341 Hcl | 990 | Elected Auditor | 54 | $87,928 | $0 | View return |
| 2016 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2016 | Partnership for Safe Medicines Inc | 990 | Vice President | 2 | $0 | $0 | View return |
| 2016 | Halter Wildlife Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | The Lambs Farm Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Laborers International Union of 341 Hcl | 990 | Elected Auditor | 40 | $48,249 | $0 | View return |
| 2015 | Partnership for Safe Medicines Inc | 990 | Vice President | 2 | $0 | $0 | View return |
| 2015 | Dahl Family Foundation Inc. | 990PF | President/Director | 0.5 | $0 | $0 | View return |
| 2015 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Safari Club International Orange County | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2015 | The Lambs Farm Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Dahl Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2014 | United Way St. Croix and Red Cedar Valleys Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Safari Club International Orange County | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2014 | The Lambs Farm Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Dahl Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2013 | Montana Actors Theatre Inc. | 990 | Director | - | $0 | $0 | View return |
| 2012 | Dahl Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2011 | Dahl Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2010 | Dahl Family Foundation Inc. | 990PF | President/Director | 0 | $0 | $0 | View return |