Environmental Organizations
- The Sierra Club
- Wisconsin Conservation Voters
- Clean Wisconsin Action Fund
Labor Unions
- Wisconsin State AFL-CIO
- Liuna - Wisconsin Laborers' District Council
- SEIU - Service Employees International Union
- SMART - Transportation Division
- Teamsters - Joint Council 39
- National Association of Social Workers -- Wisconsin Chapter
- UAW - Region 4
Progressive Groups
- Human Rights Campaign
- Progressive Change Campaign Committee
- Progress North
- Citizens Action of Wisconsin
- Progressive Turnout Project
- Democracy for America
- National Democratic Redistricting Committee
- Planned Parenthood Advocates of WI
Individuals
- Beth Meyers, State Representative AD-74
- Gary Sherman, Former State Representative AD-74
- Michael Bablick, Mayor of Park Falls
- Tammy Baldwin, US Senator
- Eric Lindell, Ashland City Council Member