| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Dawn Carlson | FUELIowa | Undecided | GA87 |
| Kellie Paschke | FUELIowa | Undecided | GA87 |
| Troy Skinner | FUELIowa | 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 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Undecided | GA87 |
| Brad Lint | Iowa Association for Justice | Undecided | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA87 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA87 |
| Abigail Nelson | One Iowa Action | Undecided | GA87 |
| Daniel Hoffman-Zinnel | One Iowa Action | Undecided | GA87 |
| Keenan Crow | One Iowa Action | Undecided | GA87 |