Top 20 Political Donors, 1989-2010 Rank Organization Total Donations, 1989-2010 Dem % Rep % 1 ActBlue $52,572,081 99% 0% 2 American Federation of State, County & Municipal Employees $45,238,103 94% 1% 3 AT&T Inc. $41,314,444 45% 54% 4 National Association of Realtors $39,717,410 47% 49% 5 National Education Association $36,312,895 81% 5% 6 Service Employees International Union $36,043,789 77% 2% 7 American Association for Justice $33,983,671 89% 8% 8 International Brotherhood of Electrical Workers $33,476,655 97% 2% 9 Laborers Union $31,335,267 89% 7% 10 American Federation of Teachers $31,023,603 90% 0% 11 Teamsters Union $30,632,309 89% 6% 12 Carpenters & Joiners Union $30,523,437 86% 9% 13 Communications Workers of America $29,468,934 95% 0% 14 American Medical Association $27,431,405 39% 59% 15 United Auto Workers $27,108,182 98% 0% 16 United Food & Commercial Workers Union $26,788,209 93% 0% 17 National Auto Dealers Association $26,664,992 32% 67% 18 Machinists & Aerospace Workers Union $26,407,374 98% 1% 19 United Parcel Service $24,505,222 37% 62% 20 American Bankers Association $24,190,464 39% 60% Average 76% 20%





The Center for Responsive Politics (

) is a national research group that tracks money spent on U.S. politics and its effect on elections and public policy.

The table above shows the

from the organization's "

" of the 100 biggest political donors in federal-level politics from 1989-2010.

OpenSecrets tracks political contributions by source, and also identifies the political leanings of the organizations who spend money on political donations. For example, the National Education leans strongly Democrat, the National Auto Dealers leans mildly Republican, and the National Association of Realtors is politically balanced.

Overall, the top 20 political donors lean strongly Democrat, see the average above in the last row of the chart: 76% Democrat vs. 20% Republican.