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