U.S. Chamber of Commerce------------------------$34,944,4
American Action Network-------------------------$26,587,9
American Crossroads-----------------------------$2
Crossroads Grassroots Policy Strategies---------$17,122,446-----C
Service Employees International Union-----------$15,737,456-----L
AFSCME----------------------------------
American Future Fund-----------------------------$9,596,8
Americans for Job Security-----------------------$8,991,20
Club for Growth----------------------------------
National Rifle Association-----------------------$7,416,8
60 Plus Association-----------------------------
National Association of Realtors-----------------$6,073,307-----N/A
America's Families First Action Fund-------------$5,878,743-----L
League of Conservation Voters--------------------$4,587,410----
NEA Advocacy Fund--------------------------------$4,2
Americans for Tax Reform-------------------------$4,140,04
EMILY's List------------------------------------
AFL-CIO---------------------------------
Commonsense Ten----------------------------------$3,2
National Education Association-------------------$3,229,903-
Conservative total-----------------------------$145,6
Liberal total-----------------------------------
source