| 2024 | American Postal Workers Union AFL-CIO | 990 | Asst Director A Clerk Div | 40 | $155,608 | $0 | View return |
| 2024 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director A Clerk Div | 1 | $0 | $155,608 | View return |
| 2023 | American Postal Workers Union AFL-CIO | 990 | Asst Director A Clerk Div | 40 | $152,636 | $0 | View return |
| 2023 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director A Clerk Div | 1 | $0 | $152,636 | View return |
| 2022 | American Postal Workers Union AFL-CIO | 990 | Asst Director A Clerk Div | 40 | $148,453 | $0 | View return |
| 2022 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director A Clerk Div | 1 | $0 | $148,453 | View return |
| 2021 | American Postal Workers Union AFL-CIO | 990 | Asst Director A Clerk Div | 40 | $142,725 | $0 | View return |
| 2021 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director A Clerk Div | 1 | $0 | $142,725 | View return |
| 2020 | American Postal Workers Union AFL-CIO | 990 | Asst Director C Clerk Div | 40 | $152,450 | $0 | View return |
| 2020 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director C Clerk Div | 1 | $0 | $152,450 | View return |
| 2019 | American Postal Workers Union AFL-CIO | 990 | Asst Director A Clerk Div | 40 | $117,648 | $0 | View return |
| 2019 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director A Clerk Div | 1 | $0 | $117,648 | View return |
| 2018 | American Postal Workers Union AFL-CIO | 990 | Nba C Worth Area | 40 | $107,732 | $0 | View return |
| 2017 | American Postal Workers Union AFL-CIO | 990 | Nba C Worth Area | 40 | $105,962 | $0 | View return |
| 2016 | American Postal Workers Union AFL-CIO | 990 | Nba C Worth Area | 40 | $103,812 | $0 | View return |
| 2015 | American Postal Workers Union AFL-CIO | 990 | Nba C Ft Worth Area | 40 | $101,167 | $0 | View return |
| 2014 | American Postal Workers Union AFL-CIO | 990 | Nba C Worth Area | 40 | $99,854 | $0 | View return |
| 2013 | American Postal Workers Union AFL-CIO | 990 | Nba C Worth Area | 40 | $97,442 | $0 | View return |