| Drew Kamp | Ames Chamber of Commerce | Undecided | GA88 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| MaryNelle Trefz | Common Good Iowa | Undecided | GA88 |
| Sheila Hansen | Common Good Iowa | Undecided | GA88 |
| Clara Wulfsen | Department of Revenue | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| Maddie Wilcox | Easter Seals Iowa | Undecided | GA88 |
| Threase Harms | Easter Seals Iowa | Undecided | GA88 |
| Maddie Wilcox | EveryStep | Undecided | GA88 |
| Rachel Ong | EveryStep | Undecided | GA88 |
| Threase Harms | EveryStep | Undecided | GA88 |
| Maddie Wilcox | Iowa Alliance of YMCA's | Supporting | GA88 |
| Maddie Wilcox | Iowa Alliance of YMCA's | Undecided | GA88 |
| Threase Harms | Iowa Alliance of YMCA's | Supporting | GA88 |
| Threase Harms | Iowa Alliance of YMCA's | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Jenica Lensmeyer | Iowa Bankers Association | Undecided | GA88 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA88 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA88 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA88 |
| Joe Murphy | Iowa Business Council | Supporting | GA88 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Jennifer Banta | Iowa City Area Chamber of Commerce | Undecided | GA88 |
| Gracie Brandsgard | Iowa Credit Union League | Undecided | GA88 |
| Justin Hupfer | Iowa Credit Union League | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Jill Altringer | Iowa Poultry Association | Undecided | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Jill Altringer | Iowa State Dairy Association | Undecided | GA88 |
| Jill Altringer | Iowa Turkey Federation | Undecided | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Ben Hammes | Master Builders of Iowa | Withdrawn | GA88 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA88 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA88 |
| Julie Smith | Master Builders of Iowa | Undecided | GA88 |
| Julie Smith | Master Builders of Iowa | Supporting | GA88 |
| Sydney Gangestad | Principal Financial Group | Supporting | GA88 |
| Tim Coonan | Principal Financial Group | Supporting | GA88 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA88 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA88 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA88 |
| Cyndi Pederson | United Way of Central Iowa | Supporting | GA88 |
| Dave Stone | United Way of Central Iowa | Supporting | GA88 |
| John Pederson | United Way of Central Iowa | Supporting | GA88 |
| Jon Murphy | United Ways of Iowa | Supporting | GA88 |
| Tom Cope | United Ways of Iowa | Supporting | GA88 |