| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $75K | 21 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $67K | 37 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND) | $61K | 20 | 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| REPUBLICAN NATIONAL COMMITTEE | $59K | 7 | 1994 |
| NATIONAL ACTIVE AND RETIRED FEDERAL EMPLOYEES ASSOCIATION POLITICAL ACTION COM (NARFE-PAC) | $58K | 18 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION VOLUNTARY POLITICAL ACTION COMMITTEE | $57K | 36 | 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $49K | 28 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $46K | 20 | 1994, 1996, 1998, 2000, 2002, 2004, 2006 |
| NATIONAL STAR ROUTE MAIL CONTRACTORS ASSOCIATION POLITICAL ACTION COMMITTEE | $45K | 46 | 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| AUTOMOTIVE FREE INTERNATIONAL TRADE PAC | $43K | 12 | 1994, 1996, 1998, 2000, 2004, 2006, 2008 |