| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $85K | 28 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| REPUBLICAN NATIONAL COMMITTEE | $66K | 24 | 1996, 1994, 1992 |
| NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION AMERICA'S ELECTRIC COOPERATIVES PAC | $62K | 45 | 2010, 2002, 1996, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| WEYERHAEUSER COMPANY POLITICAL ACTION COMMITTEE | $61K | 55 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| BECHTEL GROUP, INC. POLITICAL ACTION COMMITTEE (BECHTEL POLITICAL ACTION COMMITTEE) | $58K | 47 | 2010, 2002, 1996, 2014, 2006, 1998, 2004, 2012, 2008, 2000 |
| NRCC | $57K | 74 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $56K | 49 | 2010, 2002, 1996, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| THE BOEING COMPANY POLITICAL ACTION COMMITTEE | $55K | 54 | 2010, 2002, 1996, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| MICROSOFT CORPORATION STAKEHOLDERS VOLUNTARY PAC - MSVPAC | $54K | 45 | 2010, 2002, 1996, 2014, 2006, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $51K | 18 | 2010, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |