| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $170K | 94 | 2010, 1994, 2006, 1992, 2004, 2008, 2000 |
| COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE | $150K | 41 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| INTERNATIONAL LONGSHOREMEN'S ASSOCIATION COMMITTEE ON POLITICAL EDUCATION | $139K | 40 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| UNITED STEELWORKERS POLITICAL ACTION FUND | $138K | 29 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $129K | 35 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $128K | 73 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $123K | 55 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $123K | 51 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $118K | 46 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $118K | 60 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |