| FRIENDS OF RAY LAHOOD | $110K | 2 | 2006, 2008 |
| CATERPILLAR INC. POLITICAL ACTION COMMITTEE (CATPAC) | $68K | 19 | 2002, 1996, 1994, 2006, 1998, 2004, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $54K | 26 | 2002, 1996, 1994, 2006, 1998, 2004, 2000 |
| AIR LINE PILOTS ASSOCIATION PAC | $51K | 25 | 2002, 1996, 1994, 2006, 1998, 2004, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $48K | 31 | 2002, 1996, 1994, 2006, 1998, 2004, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $41K | 19 | 2002, 1996, 1994, 2006, 1998, 2004, 2000 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $40K | 40 | 2002, 1996, 1994, 2006, 1998, 2004, 2000 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $40K | 16 | 2002, 1996, 1994, 2006, 1998, 2004, 2000 |
| ILLINOIS AGRICULTURAL ASSOCIATION ACTIVATOR POLITICAL INVOLVEMENT FUND (FED) 'ACTIVATOR'/'ILLINOIS FARM BUREAU ACTIVATOR' | $37K | 30 | 2002, 1996, 1994, 2006, 2020, 1998, 2016, 2004, 2022 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $37K | 10 | 2002, 2006, 2004, 2008, 2000 |