| NRCC | $84K | 53 | 2002, 1996, 1994, 2006, 1992, 2004, 2008, 2000 |
| AMERICAN DENTAL ASSOCIATION POLITICAL ACTION COMMITTEE | $75K | 50 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2008, 2000 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $73K | 30 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2008, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $67K | 34 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2008, 2000 |
| INDIANA REPUBLICAN STATE COMMITTEE, INC. | $66K | 10 | 1996, 1994, 1992, 2004, 2008, 2000 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $64K | 37 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2008, 2000 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $62K | 27 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2008, 2000 |
| INDIANA FARM BUREAU INC ELECT PAC INC | $61K | 14 | 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2008, 2000 |
| ELI LILLY AND COMPANY POLITICAL ACTION COMMITTEE | $59K | 29 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2008, 2000 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $52K | 31 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |