| CAMPAIGN FOR PRIMARY ACCOUNTABILITY INC | $225K | 16 | 2012 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $74K | 46 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $72K | 51 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2012, 2008, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $71K | 31 | 2010, 2002, 1996, 1994, 1992, 1998, 2004, 2012, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $65K | 54 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2012, 2008, 2000 |
| CATERPILLAR INC. POLITICAL ACTION COMMITTEE (CATPAC) | $63K | 30 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN DENTAL ASSOCIATION POLITICAL ACTION COMMITTEE | $62K | 47 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| RAYTHEON TECHNOLOGIES CORPORATION PAC (FORMERLY UTC PAC) | $59K | 32 | 2010, 2002, 1994, 2006, 1992, 2004, 2012, 2008, 2000 |
| ILLINOIS REPUBLICAN PARTY - FEDERAL | $58K | 9 | 2002, 1992 |
| AMERICAN SOCIETY OF ANESTHESIOLOGISTS POLITICAL ACTION COMMITTEE (ASA PAC) | $58K | 35 | 2010, 2002, 1994, 2006, 1998, 2004, 2012, 2008, 2000 |