- Congressman Pete Visclosky
- American Federation of Teachers Indiana (AFT – IN)
- Northwestern Indiana Building Trades and Construction Council
- Indiana AFL-CIO
- International Longshoremen Association
- Laborers’ Local 41
- United Auto Workers (UAW) Region 2B
- Transport Workers Union Illinois – Indiana State Conference
- International Union of Painters and Allied Trades District Council 91
- International Union of Operating Engineers Local 150
- Teamsters Local 142
- Bricklayers and Allied Craftworkers Local 4
- Indiana Alliance for Retired Americans (ARA)
- National Association of Social Workers
- Indiana Democratic Senior Caucus (IDSC)
- Human Rights Campaign
- Giffords
- Moms Demand Action Gun Sense Candidate
- End Citizens United / Let America Vote
- Indiana Farm Bureau
- The Gary Crusader
- The Times of Northwest Indiana
- Gary Democratic Precinct Organization
- Schererville Democratic Precinct Organization
- St. John Democratic Precinct Organization
- Dyer Democratic Precinct Organization
- Munster Democratic Precinct Organization
- Griffith Democratic Precinct Organization
- Cedar Lake – Hanover Democratic Precinct Organization
- Roy Dominguez – Former Lake County Sheriff
- Mike Troxell – Schererville Clerk-Treasurer
- Shelli Vandenberg – Former Indiana House Representative
- Earline Rogers – Former State Senator
- Vernon Smith – Indiana House Representative
- Kim Robinson – Calumet Township Trustee
- Jackie Collins- Calumet Township Assessor
- William Godwin – Gary Common Council First District
- Cozey Weatherspoon – Gary Common Council Second District
- Mary Brown – Gary Common Council Third District
- Tai Adkins – Gary Common Council Fourth District
- Linda Barnes-Caldwell – Gary Common Council Fifth District
- Dwight Williams – Gary Common Council Sixth District
- And last but not least – State Senator Frank Mrvan (Frank’s Dad)