| Christopher Rants | Advantage Capital | Undecided | GA89 |
| John Cacciatore | Advantage Capital | Undecided | GA89 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA89 |
| Stacy Frelund | American Heart Association | Supporting | GA89 |
| Jon Murphy | American Planning Association Iowa Chapter | Supporting | GA89 |
| Tom Cope | American Planning Association Iowa Chapter | Supporting | GA89 |
| Drew Klein | Americans For Prosperity | Undecided | GA89 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA89 |
| Brad Epperly | Ames Chamber of Commerce | Supporting | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Supporting | GA89 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Supporting | GA89 |
| Kate Walton | City of Bettendorf | Undecided | GA89 |
| Matt Eide | City of Bettendorf | Undecided | GA89 |
| Jon Murphy | City of Cedar Falls | Supporting | GA89 |
| Tom Cope | City of Cedar Falls | Supporting | GA89 |
| Gary Grant | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| Jon Murphy | City of Coralville | Supporting | GA89 |
| Tom Cope | City of Coralville | Supporting | GA89 |
| Alex Hassel | City of Des Moines | Supporting | GA89 |
| Doug Struyk | City of Des Moines | Supporting | GA89 |
| Jen Schulte | City of Des Moines | Supporting | GA89 |
| Jennifer Dorman | City of Des Moines | Supporting | GA89 |
| Jim Carney | City of Des Moines | Supporting | GA89 |
| Doug Struyk | City of Iowa City | Supporting | GA89 |
| Jennifer Dorman | City of Iowa City | Supporting | GA89 |
| Jim Carney | City of Iowa City | Supporting | GA89 |
| Doug Struyk | City of Waukee | Supporting | GA89 |
| Jennifer Dorman | City of Waukee | Supporting | GA89 |
| Jim Carney | City of Waukee | Supporting | GA89 |
| Sydney Gangestad | City of West Des Moines | Supporting | GA89 |
| Tim Coonan | City of West Des Moines | Supporting | GA89 |
| David Caris | Community Bankers of Iowa | Supporting | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Supporting | GA89 |
| Logan Shine | Governor's Office | Supporting | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Supporting | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Supporting | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Supporting | GA89 |
| Jeff Smith | Greater Fort Dodge Growth Alliance | Supporting | GA89 |
| Jerry Fitzgerald | Greater Fort Dodge Growth Alliance | Supporting | GA89 |
| Maggie Smith-Fitzgerald | Greater Fort Dodge Growth Alliance | Supporting | GA89 |
| Matt Fitzgerald | Greater Fort Dodge Growth Alliance | Supporting | GA89 |
| Michael Triplett | Greater Iowa Apartment Association | Supporting | GA89 |
| Hannah McDowell | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Grow Clinton County | Undecided | GA89 |
| Threase Harms | Grow Clinton County | Undecided | GA89 |
| Eric Goranson | Habitat for Humanity of Iowa | Supporting | GA89 |
| Karla Fultz McHenry | Habitat for Humanity of Iowa | Supporting | GA89 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Supporting | GA89 |
| Lisa Cushatt | Iowa ACEs 360 | Supporting | GA89 |
| Andrew Lietzow | Iowa Apartment Association (dba IaRPOA) | Supporting | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Andy Conlin | Iowa Association of Community Providers | Supporting | GA89 |
| Julie Smith | Iowa Association of Community Providers | Supporting | GA89 |
| Shelly Chandler | Iowa Association of Community Providers | Supporting | GA89 |
| Jon Murphy | Iowa Association of Councils of Governments | Supporting | GA89 |
| Tom Cope | Iowa Association of Councils of Governments | Supporting | GA89 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA89 |
| Joe Murphy | Iowa Business Council | Supporting | GA89 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA89 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Gracie Brandsgard | Iowa Credit Union League | Supporting | GA89 |
| Justin Hupfer | Iowa Credit Union League | Supporting | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Supporting | GA89 |
| Kristin Hanks-Bents | Iowa Finance Authority | Supporting | GA89 |
| Blake DeRouchey | Iowa Homeland Security & Emergency Management Div. | Supporting | GA89 |
| Bob Rafferty | Iowa Housing Partnership | Supporting | GA89 |
| Nick Laning | Iowa Housing Partnership | Supporting | GA89 |
| Rachel Ong | Iowa Housing Partnership | Supporting | GA89 |
| Andrew Lietzow | Iowa Landlord Association | Supporting | GA89 |
| Alan Kemp | Iowa League of Cities | Supporting | GA89 |
| Daniel Stalder | Iowa League of Cities | Supporting | GA89 |
| Robert Palmer | Iowa League of Cities | Supporting | GA89 |
| Joe Kelly | Iowa Manufactured Housing Association | Supporting | GA89 |
| Tim Coonan | Iowa Manufactured Housing Association | Supporting | GA89 |
| Amy Campbell | Iowa Primary Care Association | Supporting | GA89 |
| Craig Patterson | Iowa Primary Care Association | Supporting | GA89 |
| Andrew Lietzow | Iowa Real Estate Investors Association | Supporting | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Supporting | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Supporting | GA89 |
| Logan Murray | Marion County Board of Supervisors | Supporting | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Supporting | GA89 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA89 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA89 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA89 |
| David Adelman | Metropolitan Coalition | Supporting | GA89 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA89 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA89 |
| Sara Allen | Metropolitan Coalition | Supporting | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA89 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA89 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA89 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA89 |
| Sydney Gangestad | Principal Financial Group | Supporting | GA89 |
| Tim Coonan | Principal Financial Group | Supporting | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA89 |
| Rachael Anderson | Quad Cities Chamber of Commerce | Supporting | GA89 |
| BRITTANY LUMLEY | Ruan, Inc. | Supporting | GA89 |
| Charlotte Eby | Ruan, Inc. | Supporting | GA89 |
| Jeffrey Boeyink | Ruan, Inc. | Supporting | GA89 |
| Taylor McDonald | Ruan, Inc. | Supporting | GA89 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA89 |
| Christopher Rants | Sugar Creek Realty LLC | Undecided | GA89 |
| John Cacciatore | Sugar Creek Realty LLC | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |
| Kate Walton | Weinberg Investments, Inc. | Undecided | GA89 |
| Matt Eide | Weinberg Investments, Inc. | Undecided | GA89 |