| Harold Hacker | $525 | Mar 5, 2026 | IUOE Local 399 Political Education Fund | Engineer |
| JAMES HILL | $2,581 | Sep 19, 2025 | Preckwinkle for President | PRESIDENT |
| JAMES HILL | $2,581 | Sep 19, 2025 | Preckwinkle for President | PRESIDENT |
| Harold Hacker | $1,225 | Jun 18, 2024 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,225 | Jun 17, 2024 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,225 | Jun 17, 2024 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $50 | May 29, 2024 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $25 | May 1, 2024 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $300 | Apr 12, 2024 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $25 | Sep 4, 2023 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $25 | Aug 18, 2023 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $600 | Aug 10, 2023 | IUOE Local 399 Political Education Fund | Engineer |
| Bob Havelka | $600 | Aug 6, 2022 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $350 | Aug 5, 2022 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $600 | Jul 29, 2022 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $350 | Sep 27, 2019 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,000 | Aug 29, 2019 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,000 | Aug 29, 2019 | IUOE Local 399 Political Education Fund | Engineer |
| James Hill | $1,500 | Mar 23, 2019 | Citizens for Patrick O'Connor | Engineer |
| James Hill | $1,500 | Mar 23, 2019 | Citizens for Patrick O'Connor | Engineer |
| Harold Hacker | $175 | Sep 28, 2018 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $175 | Sep 28, 2018 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,000 | Aug 31, 2018 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,000 | Aug 31, 2018 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,000 | Aug 31, 2018 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Sep 26, 2017 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Sep 26, 2017 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Jul 18, 2017 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Jul 18, 2017 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Sep 1, 2016 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Sep 1, 2016 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Sep 1, 2016 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $450 | Jul 22, 2016 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $450 | Jul 22, 2016 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $450 | Jul 22, 2016 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Mar 24, 2014 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $100 | Jan 31, 2014 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $399 | Aug 17, 2012 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $399 | Aug 17, 2012 | IUOE Local 399 Political Education Fund | Engineer |
| Warren Hill | $2,000 | Jun 20, 2009 | Citizens for Jesse White | President |
| Warren Hill | $2,000 | Jun 20, 2009 | Citizens for Jesse White | President |
| Harold Hacker | $1,100 | Mar 13, 2008 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $700 | Jan 2, 2008 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $800 | Jun 27, 2007 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,600 | Apr 21, 2005 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $500 | Apr 21, 2005 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $1,300 | Dec 18, 2003 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $100 | Aug 13, 2003 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $600 | Sep 13, 2002 | IUOE Local 399 Political Education Fund | Engineer |
| Harold Hacker | $600 | Sep 13, 2002 | IUOE Local 399 Political Education Fund | Engineer |