| NRCC | $74K | 28 | 2002, 2006, 2004, 2008, 2000 |
| SENATE CONSERVATIVES FUND | $57K | 6 | 2012 |
| THE BOEING COMPANY POLITICAL ACTION COMMITTEE | $50K | 28 | 2010, 2002, 2006, 2004, 2008 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $43K | 28 | 2010, 2002, 2006, 2004, 2008, 2000 |
| ANHEUSER-BUSCH COMPANIES LLC POLITICAL ACTION COMMITTEE | $43K | 23 | 2010, 2002, 2006, 2004, 2008, 2000 |
| ENTERPRISE HOLDINGS, INC. / ENTERPRISE MOBILITY POLITICAL ACTION COMMITTEE | $42K | 24 | 2010, 2002, 2006, 2004, 2008, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $35K | 14 | 2010, 2002, 2006, 2004, 2008 |
| AMERICAN SOCIETY OF ANESTHESIOLOGISTS POLITICAL ACTION COMMITTEE (ASA PAC) | $33K | 20 | 2010, 2002, 2006, 2004, 2008, 2000 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $30K | 17 | 2010, 2002, 2006, 2004, 2008 |
| EAGLE FORUM PAC | $29K | 23 | 2010, 2002, 2006, 2004, 2008, 2000 |