| EXELON CORPORATION POLITICAL ACTION COMMITTEE | $121K | 44 | 2010, 2002, 1996, 1994, 2014, 2006, 2020, 1998, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $109K | 48 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1998, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $107K | 56 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1998, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $105K | 77 | 2010, 2002, 1996, 2014, 2006, 2020, 1998, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| NCTA - THE INTERNET & TELEVISION ASSOCIATION POLITICAL ACTION COMMITTEE (NCTAPAC) | $92K | 32 | 2010, 2002, 2014, 2006, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $91K | 42 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| AMERICAN SOCIETY OF ANESTHESIOLOGISTS POLITICAL ACTION COMMITTEE (ASA PAC) | $85K | 41 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $83K | 47 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $83K | 30 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $74K | 58 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1998, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |