AFSCME – District Council 47
Americans for Democratic Action
American Federation of Teachers Pennsylvania
American Postal Workers Union (APWU) Local 7048
Bucks County Democratic Committee
Congressional Progressive Caucus
Democratic Jewish Outreach Pennsylvania
End Citizens United
Environment America
Equality PAC
Feminist Majority
Friends of the Earth
IBEW 614
J Street
Keystone Progress
Moms Demand Action (Distinction)
National Committee for an Effective Congress
National Nurses United
National Organization for Women
Neshaminy Federation of Teachers
Pennsylvania Federation BMWED-IBT
People For the American Way
Planned Parenthood Action Fund
PL+US Action
Population Connection PAC
Service Employees International Union
Sierra Club
Social Security Works
Transport Workers Union Local 234
UFCW Local 1360
United Auto Workers
United Steelworkers
Working Families Party
21st Century Democrats