AFL-CIO
AFSCME
American Association for Justice
BISC
Bull Moose Sportsmen Alliance
Campaign for Community Change
Clean Water Action
EMILY’s List
Environment America
Fair Elections Legal Network
Fair Share Alliance
Hispanic Institute Advocacy Project
Human Rights Campaign
International Brotherhood of Teamsters
League of Conservation Voters
National Education Association
Planned Parenthood Action Fund
Progressive Majority
ProgressNow Action
Public Campaign Action Fund
SEIU
Sierra Club
United Food and Commercial Workers International Union
USAction
VoteVets
Voter Participation Center
Working America