| NRCC | $88K | 92 | 2002, 1996, 1994, 2006, 1998, 2004, 2008, 2000 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $80K | 49 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2008, 2000 |
| KOCH, INC. POLITICAL ACTION COMMITTEE (KOCHPAC) | $74K | 37 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2008, 2000 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $68K | 31 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2008, 2000 |
| THE BOEING COMPANY POLITICAL ACTION COMMITTEE | $68K | 65 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| EMPLOYEES OF RTX CORPORATION POLITICAL ACTION COMMITTEE | $64K | 57 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $64K | 58 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $64K | 23 | 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $64K | 22 | 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| AIRCRAFT OWNERS AND PILOTS ASSOCIATION POLITICAL ACTION COMMITTEE | $57K | 36 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |