| REPUBLICAN NATIONAL COMMITTEE | $149K | 5 | 1994, 2008 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $48K | 34 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $43K | 27 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $40K | 27 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| INDIANA FARM BUREAU INC ELECT PAC INC | $38K | 10 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $37K | 28 | 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $35K | 14 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| ASSOCIATED BUILDERS AND CONTRACTORS, INC. POLITICAL ACTION COMMITTEE (ABC PAC) | $33K | 19 | 1994, 1996, 1998, 2000, 2002, 2006, 2008, 2010 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $28K | 13 | 1994, 1996, 1998, 2000, 2002, 2004, 2008, 2010 |
| AMERICA'S CREDIT UNIONS PAC | $27K | 18 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |