| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $80K | 21 | 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $72K | 38 | 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2018 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $70K | 23 | 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $68K | 42 | 2002, 2004, 2006, 2008, 2010, 2012, 2014, 2016 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $68K | 24 | 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| INTERNATIONAL ASSOCIATION OF FIREFIGHTERS INTERESTED IN REGISTRATION AND EDUCATION PAC | $60K | 23 | 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $60K | 29 | 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| NATIONAL ACTIVE AND RETIRED FEDERAL EMPLOYEES ASSOCIATION POLITICAL ACTION COM (NARFE-PAC) | $60K | 20 | 2004, 2006, 2008, 2010, 2012, 2014, 2016 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $53K | 15 | 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND) | $53K | 17 | 2002, 2004, 2006, 2008, 2010, 2012, 2014 |