| Brad Epperly | Ames Chamber of Commerce | Undecided | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Undecided | GA89 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Nick Laning | Des Moines University | Undecided | GA89 |
| Threase Harms | Des Moines University | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Hannah McDowell | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Grow Clinton County | Undecided | GA89 |
| Threase Harms | Grow Clinton County | Undecided | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Jennifer Banta | Iowa City Area Chamber of Commerce | Undecided | GA89 |
| Hannah McDowell | Iowa Cosmetology School Association | Undecided | GA89 |
| Nick Laning | Iowa Cosmetology School Association | Undecided | GA89 |
| Rachel Ong | Iowa Cosmetology School Association | Undecided | GA89 |
| Threase Harms | Iowa Cosmetology School Association | Undecided | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA89 |
| David Adelman | Iowa Health Care Association | Supporting | GA89 |
| Frank Chiodo | Iowa Health Care Association | Supporting | GA89 |
| Matt Hinch | Iowa Health Care Association | Supporting | GA89 |
| Merea Bentrott | Iowa Health Care Association | Supporting | GA89 |
| Sara Allen | Iowa Health Care Association | Supporting | GA89 |
| Hannah McDowell | Iowa Occupational Therapy Association | Supporting | GA89 |
| Hannah McDowell | Iowa Occupational Therapy Association | Undecided | GA89 |
| Nick Laning | Iowa Occupational Therapy Association | Supporting | GA89 |
| Nick Laning | Iowa Occupational Therapy Association | Undecided | GA89 |
| Threase Harms | Iowa Occupational Therapy Association | Supporting | GA89 |
| Threase Harms | Iowa Occupational Therapy Association | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |