| Amy Campbell | AARP Iowa | Undecided | GA89 |
| Brad Anderson | AARP Iowa | Undecided | GA89 |
| Craig Patterson | AARP Iowa | Undecided | GA89 |
| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA89 |
| Brad Epperly | AIG-American International Companies | Undecided | GA89 |
| Dustin Miller | AIG-American International Companies | Undecided | GA89 |
| Kellie Paschke | Alamo Rent A Car | Undecided | GA89 |
| Kelly Meyers | Alamo Rent A Car | Undecided | GA89 |
| Logan Murray | Alamo Rent A Car | Undecided | GA89 |
| Troy Skinner | Alamo Rent A Car | Undecided | GA89 |
| Ted Stopulos | Alliant Energy Corporation | Supporting | GA89 |
| Kate Walton | Alter Trading Corporation | Supporting | GA89 |
| Madeleine Bradley | Alter Trading Corporation | Supporting | GA89 |
| Matt Eide | Alter Trading Corporation | Supporting | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Brad Epperly | Ames Chamber of Commerce | Undecided | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Undecided | GA89 |
| Morgan Fritz | Annett Holdings | Supporting | GA89 |
| Robert Weiser | Annett Holdings | Supporting | GA89 |
| Kate Walton | Arconic (Formerly Alcoa) | Supporting | GA89 |
| Madeleine Bradley | Arconic (Formerly Alcoa) | Supporting | GA89 |
| Matt Eide | Arconic (Formerly Alcoa) | Supporting | GA89 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA89 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA89 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA89 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA89 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA89 |
| Morgan Fritz | CRST International | Supporting | GA89 |
| Robert Weiser | CRST International | Supporting | GA89 |
| Kellie Paschke | CUNA Mutual Group | Undecided | GA89 |
| Kelly Meyers | CUNA Mutual Group | Undecided | GA89 |
| Logan Murray | CUNA Mutual Group | Undecided | GA89 |
| Troy Skinner | CUNA Mutual Group | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Kate Hansen | Center for Rural Affairs | Undecided | 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 |
| Cyndi Pederson | Common Good Iowa | Opposing | GA89 |
| Kelli Soyer | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Natalie Veldhouse | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Mark Joyce | Corteva Agriscience | Undecided | GA89 |
| Robert Haus | Corteva Agriscience | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Supporting | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Casey Ficek | Delta Dental of Iowa | Undecided | GA89 |
| Karla Fultz McHenry | Delta Dental of Iowa | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Supporting | GA89 |
| Doug Struyk | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Jennifer Dorman | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Jim Carney | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Lynh Patterson | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Kellie Paschke | Enterprise Rent-A-Car | Undecided | GA89 |
| Kelly Meyers | Enterprise Rent-A-Car | Undecided | GA89 |
| Logan Murray | Enterprise Rent-A-Car | Undecided | GA89 |
| Troy Skinner | Enterprise Rent-A-Car | Undecided | GA89 |
| Marcus Haack | Episcopal Diocese of Iowa | Opposing | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Withdrawn | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | 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 |
| Michael Triplett | Greater Iowa Apartment Association | Undecided | GA89 |
| Steve Firman | Grow Cedar Valley | Supporting | GA89 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Jake Highfill | Home Builders Association of Iowa | Supporting | GA89 |
| Mark Joyce | Hy-Vee, Inc. | Supporting | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Opposing | GA89 |
| Michael Triplett | Iowa Alliance of Surety Companies | Undecided | GA89 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA89 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Opposing | GA89 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA89 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Undecided | GA89 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA89 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Supporting | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Jenica Lensmeyer | Iowa Bankers Association | Supporting | GA89 |
| John Sorensen | Iowa Bankers Association | Supporting | GA89 |
| Mike Rozenboom | Iowa Bankers Association | Supporting | GA89 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA89 |
| David Adelman | Iowa Biotechnology Association | Undecided | GA89 |
| Frank Chiodo | Iowa Biotechnology Association | Undecided | GA89 |
| Jessica Hyland | Iowa Biotechnology Association | Undecided | GA89 |
| Lillie Brady | Iowa Biotechnology Association | Undecided | GA89 |
| Matt Hinch | Iowa Biotechnology Association | Undecided | GA89 |
| Sara Allen | Iowa Biotechnology Association | Undecided | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA89 |
| Joe Murphy | Iowa Business Council | Supporting | GA89 |
| Joe Murphy | Iowa Business Council | Undecided | GA89 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA89 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA89 |
| Amy Campbell | Iowa CareGivers | Undecided | GA89 |
| Craig Patterson | Iowa CareGivers | Undecided | GA89 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA89 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA89 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA89 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA89 |
| Logan Murray | Iowa Cattlemen's Association | Undecided | GA89 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Withdrawn | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Undecided | GA89 |
| Gracie Brandsgard | Iowa Credit Union League | Supporting | GA89 |
| Justin Hupfer | Iowa Credit Union League | Supporting | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Undecided | GA89 |
| Matt Gronewald | Iowa Farm Bureau Federation | Undecided | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Farmers Union | Undecided | GA89 |
| Nick Laning | Iowa Farmers Union | Undecided | GA89 |
| Threase Harms | Iowa Farmers Union | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Kristin Hanks-Bents | Iowa Finance Authority | Undecided | GA89 |
| Michael Triplett | Iowa Funeral Directors Association | Supporting | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA89 |
| Cyndi Pederson | Iowa Hunger Coalition | Opposing | GA89 |
| John Pederson | Iowa Hunger Coalition | Opposing | GA89 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA89 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA89 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA89 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA89 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Christopher Rants | Iowa Retired School Personnel Association | Supporting | GA89 |
| John Cacciatore | Iowa Retired School Personnel Association | Supporting | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | 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 Auditors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Auditors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Auditors | 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 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Jake Highfill | Iowans for Tax Relief | Supporting | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA89 |
| Kate Walton | Kuder | Supporting | GA89 |
| Madeleine Bradley | Kuder | Supporting | GA89 |
| Matt Eide | Kuder | Supporting | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA89 |
| Kate Walton | Lennox International | Supporting | GA89 |
| Madeleine Bradley | Lennox International | Supporting | GA89 |
| Matt Eide | Lennox International | Supporting | 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 |
| Paige Thorson | Marathon Petroleum Corporation and its Subsidiaries | 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 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA89 |
| Julie Smith | Master Builders of Iowa | Supporting | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA89 |
| Kellie Paschke | National Rent A Car | Undecided | GA89 |
| Kelly Meyers | National Rent A Car | Undecided | GA89 |
| Logan Murray | National Rent A Car | Undecided | GA89 |
| Troy Skinner | National Rent A Car | Undecided | GA89 |
| Kate Walton | POET, LLC | Supporting | GA89 |
| Madeleine Bradley | POET, LLC | Supporting | GA89 |
| Matt Eide | POET, LLC | Supporting | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA89 |
| Sydney Gangestad | Polk County - Board of Supervisors | Undecided | GA89 |
| Tim Coonan | Polk County - Board of Supervisors | Undecided | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Brad Epperly | Quad Cities Chamber of Commerce | Undecided | GA89 |
| Dustin Miller | Quad Cities Chamber of Commerce | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| Jake Highfill | Smart Contracts | Supporting | GA89 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA89 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA89 |
| Michael Triplett | T-Mobile | Undecided | GA89 |
| Mark Joyce | Teachers Insurance and Annuity Association (TIAA) | Supporting | GA89 |
| Jim Romar | Teamsters Local 238 | Opposing | GA89 |
| Brad Epperly | Toppling Goliath Brewing Co. | Undecided | GA89 |
| Dustin Miller | Toppling Goliath Brewing Co. | Undecided | GA89 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |
| Mike Heller | Waste Management, Inc. | Undecided | GA89 |