- Former State Senator Rob Hogg
- State Representative Liz Bennett
- Former Linn County Supervisor Stacey Walker
- Linn County Supervisor Ben Rogers
- Blackhawk County Supervisor Chris Schwartz
- Cedar Rapids City Councilman Dale Todd
- Cedar Rapids City Councilman Patrick Loeffler
- Linn County Democrats Chair Bret Nilles
- Former Linn County Supervisor Brent Oleson
- Former Linn County Supervisor Linda Langston
- Former Linn County State Representative Nate Willems
- Democratic Activist Sara Riley
- Democratic Activist Libby Slappey
- Hawkeye Area Labor Council, AFL-CIO
- Iowa Federation of Labor, AFL-CIO
- SEIU Healthcare Minnesota & Iowa
- Iowa State Education Association
- Cedar Rapids/Iowa City Building Trades Council
- AFSCME Council 61
- Ironworkers Local 89
- Plumbers and Pipefitters Local 125
- Sheet Metal Workers Local 263
- Teamsters Local 238
- Laborers Local 43
- UFCW Local 431
- United Auto Workers
