| CMS ENERGY CORPORATION EMPLOYEES FOR BETTER GOVERNMENT- FEDERAL | $57K | 62 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AIRCRAFT OWNERS AND PILOTS ASSOCIATION POLITICAL ACTION COMMITTEE | $39K | 22 | 1994, 1996, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $33K | 14 | 1994, 1996, 1998, 2000, 2004, 2006, 2008 |
| AMERICA'S CREDIT UNIONS PAC | $32K | 12 | 1994, 1996, 2000, 2002, 2004, 2006, 2008 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $32K | 31 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| DTE ENERGY COMPANY POLITICAL ACTION COMMITTEE | $29K | 34 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN DENTAL ASSOCIATION POLITICAL ACTION COMMITTEE | $29K | 24 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| DELTA AIR LINES PAC | $24K | 21 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $23K | 15 | 1994, 1996, 1998, 2000, 2002 |
| NATIONAL MULTIFAMILY HOUSING COUNCIL AND REAL ESTATE TECHNOLOGY AND TRANSFORMATION CENTER POLITICAL ACTION COMMITTEE (NMHC PAC) | $19K | 23 | 1996, 1998, 2000, 2002, 2004, 2006, 2008 |