| Brad Epperly | AIG-American International Companies | Undecided | GA88 |
| Dustin Miller | AIG-American International Companies | Undecided | GA88 |
| Katie Graham | AIG-American International Companies | Undecided | GA88 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Undecided | GA88 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA88 |
| Brad Epperly | Federation of Iowa Insurers | Undecided | GA88 |
| Dustin Miller | Federation of Iowa Insurers | Undecided | GA88 |
| Katie Graham | Federation of Iowa Insurers | Undecided | GA88 |
| Paula Dierenfeld | Federation of Iowa Insurers | Undecided | GA88 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA88 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA88 |
| Erika Eckley | Iowa Hospital Association | Undecided | GA88 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA88 |
| J. Norris | Iowa Hospital Association | Undecided | GA88 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA88 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA88 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA88 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA88 |
| William Peterson | Iowa State Association of Counties | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Auditors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Auditors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Auditors | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Supporting | GA88 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Mark Joyce | Teachers Insurance and Annuity Association (TIAA) | Undecided | GA88 |