| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Ryan Sempf | Iowa City Area Chamber of Commerce | Undecided | GA87 |
| Erika Eckley | Iowa Hospital Association | Undecided | GA87 |
| J. Norris | Iowa Hospital Association | Undecided | GA87 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA87 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA87 |
| Jim Carney | Iowa State Bar Association | Supporting | GA87 |
| Ernie Adkison | Iowans for Tax Relief | Undecided | GA87 |