| Jon Murphy | Casey's General Stores | Undecided | GA87 |
| Tom Cope | Casey's General Stores | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | 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 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Undecided | GA87 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA87 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA87 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA87 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA87 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA87 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA87 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA87 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA87 |
| Threase Harms | Iowa Farmers Union | 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 |
| Bobby Martens | Iowa Institute for Cooperatives | Undecided | GA87 |
| Katie Hall | Iowa Institute for Cooperatives | Undecided | GA87 |
| Eric Gookin | Iowa Secretary of State | Supporting | 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 |