- Amalgamated Transit Union
- National Security Leaders for America
- Ohio Patrolmen’s Benevolent Association
- Upper Ohio Valley Building and Construction Trades Council
- Bricklayers and Allied Craftworkers Local 23
- Ohio Association of Professional Fire Fighters
- Ohio Iron Workers Association
- Ohio Environmental Council Action Fund
- Ohio State Council of Machinists
- Greater Cincinnati Building and Construction Trades Council
- Lima Building and Construction Trades Council
- United Steelworkers District 1
- Western Reserve Building Trades Council
- North Central Ohio Building and Construction Trades Council
- Columbus/Central Ohio Building and Construction Trades Council
- Dayton Building and Constructions Trades Council
- Ohio State Association of Letter Carriers
- United Food and Commercial Workers International Union (UFCW)
- Ohio Nurses Association
- United Auto Workers (UAW)
- United Mine Workers of America (UMWA)
- Industrial Division of the Communications Workers of America (IUE-CWA)
- International Union of Painters & Allied Trades District 6 (IUPAT)
- The International Brotherhood of Electrical Workers (IBEW)
- The American Federation of Government Employees (AFGE)
- Ohio Education Association
- Ohio AFL-CIO
- The Communications Workers of America District 4
- American Federation of State, County and Municipal Employees (AFSCME) Council 8
- Ohio Civil Service Employees Association (OCSEA)
- Ohio Association of Public School Employees (OAPSE)
- Ohio Federation of Teachers (OFT)
- Ohio Postal Workers Union (OPWU)
- American Federation of State, County and Municipal Employees (AFSCME) Retirees Chapter 1184
- Planned Parenthood of Greater Ohio
- Service Employees International Union (SEIU)
- Service Employees International Union (SEIU) District 1199
- Service Employees International Union (SEIU) Local 1
- EMILYs List
- 314 Action Fund
- Nurses for America
- The Ohio Conference of the American Association of University Professors (OCAAUP)
