| DCCC | $1.9M | 78 | 2010, 2006, 2004, 2012, 2008 |
| NRCC | $1.7M | 50 | 2010, 2012 |
| AMERICANS FOR TAX REFORM | $615K | 3 | 2010, 2012 |
| CENTER FOR INDIVIDUAL FREEDOM | $116K | 2 | 2012 |
| KENTUCKY STATE DEMOCRATIC CENTRAL EXECUTIVE COMMITTEE | $85K | 2 | 2010, 2004 |
| BLUE DOG POLITICAL ACTION COMMITTEE | $60K | 16 | 2010, 2006, 2004, 2012, 2008 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $60K | 28 | 2010, 2006, 2004, 2012, 2008 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $58K | 22 | 2010, 2006, 2004, 2012, 2008 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $55K | 12 | 2010, 2006, 2004, 2012, 2008 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $53K | 23 | 2010, 2006, 2004, 2012, 2008 |