| Troy Price | AFSCME Iowa Council 61 | Undecided | GA89 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Hannah McDowell | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Grow Clinton County | Undecided | GA89 |
| Threase Harms | Grow Clinton County | Undecided | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Joe Murphy | Iowa Business Council | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Jennifer Banta | Iowa City Area Chamber of Commerce | Undecided | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA89 |
| David Adelman | Iowa Health Care Association | Supporting | GA89 |
| Frank Chiodo | Iowa Health Care Association | Supporting | GA89 |
| Matt Hinch | Iowa Health Care Association | Supporting | GA89 |
| Merea Bentrott | Iowa Health Care Association | Supporting | GA89 |
| Sara Allen | Iowa Health Care Association | Supporting | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Jill Altringer | Iowa Poultry Association | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA89 |
| Jim Carney | Iowa State Bar Association | Supporting | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA89 |
| Dane Schumann | North Central States Regional Council of Carpenters | Supporting | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Supporting | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |