115th congress

International Brotherhood of Teamsters: 100 percent 

Planned Parenthood: 100 percent

*More scores from the 115th Congress will be posted as they are released

114th Congress

AFL-CIO, 2016: 96 percent

Alliance for Retired Americans: 100 percent 

American Federation of State, County and Municipal Employees, 2015: 100 percent

Human Rights Campaign: 100 percent 

Humane Society: 100 percent

International Brotherhood of Teamsters: 100 percent

League of Conservation Voters: 95 percent

National Education Association: A

NARAL Pro Choice America Congressional Record on Choice, 2015: 100 percent

113th Congress

AFL-CIO, 2013: 100 percent

Alliance for Retired Americans, 2013: 100 percent

American Federation of State, County and Municipal Employees, 2013: 100 percent

Global Solutions Action Network, 2014: A-

NARAL Pro Choice America Congressional Record on Choice, 2015: 100 percent

National Education Association, 2013-2014: A

Planned Parenthood, 2014: 100 percent

United Food & Commercial Workers, 2014: A

Human Rights Coalition, 2014: 100 percent

League of Conservation Voters, 2014: 97 percent

Council for a Livable World, 2013: 90 percent

Humane Society, 2014: 100 percent

For scores from the 112th Congress, click here.

For scores from the 111th Congress, click here.