| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA91 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA91 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA91 |
| Casey Nickel | Iowa Chamber Alliance | Undecided | GA91 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA91 |
| Matt McKinney | Iowa Chapter, American Institute of Architects | Supporting | GA91 |
| RG Schwarm | Iowa Chapter, American Institute of Architects | Supporting | GA91 |
| Jon Murphy | Iowa Housing Trust Funds Advocates Network | Undecided | GA91 |
| Tom Cope | Iowa Housing Trust Funds Advocates Network | Undecided | GA91 |
| David Adelman | Iowa Real Estate Developers Association | Supporting | GA91 |
| Dustin Miller | Iowa Real Estate Developers Association | Supporting | GA91 |
| Frank Chiodo | Iowa Real Estate Developers Association | Supporting | GA91 |
| Matt Hinch | Iowa Real Estate Developers Association | Supporting | GA91 |
| Paige Thorson | Iowa Real Estate Developers Association | Supporting | GA91 |
| Sara Allen | Iowa Real Estate Developers Association | Supporting | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA91 |
| David Adelman | Metropolitan Coalition | Supporting | GA91 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA91 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA91 |
| Paige Thorson | Metropolitan Coalition | Supporting | GA91 |
| Sara Allen | Metropolitan Coalition | Supporting | GA91 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA91 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA91 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Chloe Gayer | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Jessica Seelinger | Professional Developers of Iowa (PDI) | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |