| 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 |
| Clara Wulfsen | City of Waukee | Opposing | GA91 |
| Doug Struyk | City of Waukee | Opposing | GA91 |
| Jennifer Dorman | City of Waukee | Opposing | GA91 |
| Jim Carney | City of Waukee | Opposing | GA91 |
| Jacob Schrader | Greater Iowa Apartment Association | Undecided | GA91 |
| Logan Murray | Greater Iowa Apartment Association | Undecided | GA91 |
| Jake Highfill | Home Builders Association of Iowa | Supporting | GA91 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA91 |
| Tony Phillips | Home Builders Association of Iowa | Supporting | GA91 |
| David Adelman | Hubbell Realty Company | Undecided | GA91 |
| Frank Chiodo | Hubbell Realty Company | Undecided | GA91 |
| Matt Hinch | Hubbell Realty Company | Undecided | GA91 |
| Paige Thorson | Hubbell Realty Company | Undecided | GA91 |
| Sara Allen | Hubbell Realty Company | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Opposing | GA91 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA91 |
| Jefferson Fink | Iowa Association of Building Officials | Undecided | GA91 |
| Jim Obradovich | Iowa Association of Building Officials | Undecided | GA91 |
| Victoria Sinclair | Iowa Association of Building Officials | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA91 |
| Cyndi Pederson | Iowa Fire Marshal's Association | Opposing | GA91 |
| John Pederson | Iowa Fire Marshal's Association | Opposing | GA91 |
| Cyndi Pederson | Iowa Firefighters Association (IFA) | Opposing | GA91 |
| Elizabeth Crimmings | Iowa Firefighters Association (IFA) | Opposing | GA91 |
| John Pederson | Iowa Firefighters Association (IFA) | Opposing | GA91 |
| Chelsea Hoye | Iowa League of Cities | Opposing | GA91 |
| Cody Carlson | Iowa League of Cities | Opposing | GA91 |
| Christopher Rants | Iowa Professional Fire Fighters | Opposing | GA91 |
| John Cacciatore | Iowa Professional Fire Fighters | Opposing | GA91 |
| Lon Anderson | Iowa Professional Fire Fighters | Opposing | GA91 |
| David Adelman | Iowa Real Estate Developers Association | Undecided | GA91 |
| Frank Chiodo | Iowa Real Estate Developers Association | Undecided | GA91 |
| Matt Hinch | Iowa Real Estate Developers Association | Undecided | GA91 |
| Paige Thorson | Iowa Real Estate Developers Association | Undecided | GA91 |
| Sara Allen | Iowa Real Estate Developers Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Clara Wulfsen | Iowa State Bar Association | Opposing | GA91 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA91 |
| Jim Carney | Iowa State Bar Association | Opposing | GA91 |
| Jon Murphy | Iowa State Building and Construction Trades | Opposing | GA91 |
| Tom Cope | Iowa State Building and Construction Trades | Opposing | GA91 |
| Jacob Schrader | Landlords of Iowa | Undecided | GA91 |
| Logan Murray | Landlords of Iowa | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Opposing | GA91 |
| Felicia Hilton | Mid-American Carpenters Regional Council | Opposing | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |