| DCCC | $82K | 13 | 2004, 2006, 2008, 2012, 2018 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $75K | 38 | 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $69K | 37 | 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION AMERICA'S ELECTRIC COOPERATIVES PAC | $68K | 47 | 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $66K | 36 | 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| NCTA - THE INTERNET & TELEVISION ASSOCIATION POLITICAL ACTION COMMITTEE (NCTAPAC) | $64K | 25 | 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| ENGINEERS POLITICAL EDUCATION COMMITTEE (EPEC)/INTERNATIONAL UNION OF OPERATING ENGINEERS | $59K | 26 | 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020 |
| SOCIETY OF INDEPENDENT GASOLINE MARKETERS OF AMERICA PAC (SIGMA: AMERICA'S LEADING FUEL MARKETERS PAC) | $57K | 20 | 2008, 2010, 2012, 2014, 2016, 2018, 2020 |
| VERIZON COMMUNICATIONS, INC. POLITICAL ACTION COMMITTEE (VERIZON PAC) | $57K | 35 | 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| AMERICAN CRYSTAL SUGAR COMPANY POLITICAL ACTION COMMITTEE | $56K | 16 | 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020 |