| Chelsea Hoye | American Legion of Iowa | Supporting | GA90 |
| Nick Laning | American Legion of Iowa | Supporting | GA90 |
| Threase Harms | American Legion of Iowa | Supporting | GA90 |
| Brad Epperly | Ames Regional Economic Alliance | Undecided | GA90 |
| Dustin Miller | Ames Regional Economic Alliance | Undecided | GA90 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA90 |
| Rachel Ong | Greater Des Moines Habitat for Humanity | Supporting | GA90 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA90 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA90 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA90 |
| Eric Goranson | Habitat for Humanity of Iowa | Supporting | GA90 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA90 |
| Jon Murphy | Iowa Association of Councils of Governments | Supporting | GA90 |
| Tom Cope | Iowa Association of Councils of Governments | Supporting | GA90 |
| Greta Haas | Iowa Association of Realtors | Supporting | GA90 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA90 |
| Joe Murphy | Iowa Business Council | Supporting | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA90 |
| Gracie Brandsgard | Iowa Credit Union League | Supporting | GA90 |
| Justin Hupfer | Iowa Credit Union League | Supporting | GA90 |
| Nichole Hansen | Iowa Finance Authority | Undecided | GA90 |
| Jon Murphy | Iowa Housing Trust Funds Advocates Network | Supporting | GA90 |
| Tom Cope | Iowa Housing Trust Funds Advocates Network | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA90 |
| Brad Epperly | Quad Cities Chamber of Commerce | Undecided | GA90 |
| Dustin Miller | Quad Cities Chamber of Commerce | Undecided | GA90 |
| Cyndi Pederson | United Way of Central Iowa | Supporting | GA90 |
| Dave Stone | United Way of Central Iowa | Supporting | GA90 |
| John Pederson | United Way of Central Iowa | Supporting | GA90 |
| R. Bruce Beeston | Veterans National Recovery Center | Supporting | GA90 |
| R. Bruce Beeston | Vietnam Veterans of America, Inc., State Council | Supporting | GA90 |