| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $105K | 21 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| INDIANA DEMOCRATIC CONGRESSIONAL VICTORY COMMITTEE | $97K | 298 | 2008, 2012, 2016, 2018, 2020, 2022, 2024, 2026 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $95K | 22 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| MIDWEST REGION LABORERS' POLITICAL LEAGUE | $93K | 24 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $92K | 21 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $88K | 52 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| TRANSPORT WORKERS UNION OF AMERICA POLITICAL CONTRIBUTIONS COMMITTEE | $84K | 39 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $80K | 20 | 2008, 2010, 2012, 2014, 2016, 2020, 2022, 2024, 2026 |
| ROLLS-ROYCE NORTH AMERICA HOLDINGS INC. PAC (ROLLS-ROYCE NORTH AMERICA PAC) | $78K | 31 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| AIR LINE PILOTS ASSOCIATION PAC | $77K | 32 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |