- Erie County Executive Mark Poloncarz
- Erie County Democratic Committee Chairman Jeremy Zellner
- Outgoing Democratic Majority Legislator Tom Mazur
- Stonewall Democrats of Western New York
- District Council #4 of the International Union of Painters and Allied Trades of America & Canada, AFL-CIO-CLC
- The Women’s TAP Fund
- United Auto Workers, Region 9 (UAW)
- Buffalo Teachers Federation (BTF)