| REPUBLICAN NATIONAL COMMITTEE | $71K | 1 | 2002 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $53K | 16 | 2010, 2002, 2006, 2004, 2012, 2008 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $52K | 23 | 2010, 2002, 2006, 2004, 2012, 2008 |
| AMERICA'S CREDIT UNIONS PAC OF CREDIT UNION NATIONAL ASSOCIATION, INC. | $50K | 23 | 2010, 2002, 2006, 2004, 2012, 2008 |
| FREEDOM PROJECT; THE | $45K | 10 | 2010, 2002, 2006, 2012, 2008 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $42K | 18 | 2010, 2002, 2006, 2004, 2012, 2008 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $40K | 18 | 2010, 2002, 2006, 2004, 2012, 2008 |
| CMS ENERGY CORPORATION EMPLOYEES FOR BETTER GOVERNMENT- FEDERAL | $36K | 26 | 2010, 2002, 2006, 2004, 2012, 2008 |
| DTE ENERGY COMPANY POLITICAL ACTION COMMITTEE | $34K | 33 | 2010, 2002, 2006, 2004, 2012, 2008 |
| FORD MOTOR COMPANY CIVIC ACTION FUND | $33K | 22 | 2010, 2002, 2006, 2004, 2012, 2008 |