| Drew Klein | Americans For Prosperity | Undecided | GA88 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA88 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA88 |
| Julie Smith | City of West Des Moines | Undecided | GA88 |
| Sydney Gangestad | City of West Des Moines | Undecided | GA88 |
| Tim Coonan | City of West Des Moines | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| Michael Triplett | Greater Iowa Apartment Association | Undecided | GA88 |
| Dane Schumann | Grow Clinton County | Supporting | GA88 |
| Maddie Wilcox | Grow Clinton County | Supporting | GA88 |
| Threase Harms | Grow Clinton County | Supporting | GA88 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA88 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA88 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA88 |
| Katie Graham | Iowa Chamber Alliance | Undecided | GA88 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Supporting | GA88 |
| Daniel Stalder | Iowa League of Cities | Supporting | GA88 |
| Robert Palmer | Iowa League of Cities | Supporting | GA88 |
| Brian Johnson | Iowa Lodging Association | Undecided | GA88 |
| Brian Johnson | Iowa Lodging Association | Supporting | GA88 |
| Craig Walter | Iowa Lodging Association | Undecided | GA88 |
| Craig Walter | Iowa Lodging Association | Supporting | GA88 |
| Joe Kelly | Iowa Manufactured Housing 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 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA88 |
| William Peterson | Iowa State Association of Counties | Supporting | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA88 |
| Jim Obradovich | Landlords of Iowa | Undecided | GA88 |
| Robert Mulqueen | Landlords of Iowa | Undecided | GA88 |
| Amy Campbell | Okoboji Tourism | Supporting | GA88 |
| Craig Patterson | Okoboji Tourism | Supporting | GA88 |
| Amy Campbell | Travel Federation of Iowa | Supporting | GA88 |
| Craig Patterson | Travel Federation of Iowa | Supporting | GA88 |