| Tony Phillips | Abbell & OVSE | Supporting | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Doug Struyk | Anheuser Busch | Supporting | GA88 |
| Jennifer Dorman | Anheuser Busch | Supporting | GA88 |
| Jim Carney | Anheuser Busch | Supporting | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA88 |
| Gary Grant | City of Cedar Rapids | Undecided | GA88 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA88 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA88 |
| Alex Hassel | City of Des Moines | Undecided | GA88 |
| Doug Struyk | City of Des Moines | Undecided | GA88 |
| Jen Schulte | City of Des Moines | Undecided | GA88 |
| Jennifer Dorman | City of Des Moines | Undecided | GA88 |
| Jim Carney | City of Des Moines | Undecided | GA88 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA88 |
| Tammie Krausman | Iowa Dept. of Natural Resources | 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 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Karen Austin | Iowa State Treasurer's Office | Undecided | GA88 |
| Jennifer Kingland | Iowa Taxpayers Association | Supporting | GA88 |
| Tom Sands | Iowa Taxpayers Association | Supporting | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |