| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA89 |
| Matt McKinney | Allied Insurance | Supporting | GA89 |
| RG Schwarm | Allied Insurance | Supporting | GA89 |
| Mike St. Clair | American Property Casualty Insurance Association (APCIA) | Supporting | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Morgan Fritz | Annett Holdings | Supporting | GA89 |
| Robert Weiser | Annett Holdings | Supporting | GA89 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA89 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| Sydney Gangestad | CHILDSERVE | Undecided | GA89 |
| Tim Coonan | CHILDSERVE | Undecided | GA89 |
| Julie Smith | COPIC | Supporting | GA89 |
| Morgan Fritz | CRST International | Supporting | GA89 |
| Robert Weiser | CRST International | Supporting | GA89 |
| Jon Murphy | Casey's General Stores | Supporting | GA89 |
| Tom Cope | Casey's General Stores | Supporting | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | 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 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Supporting | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA89 |
| Henry Marquard | Genesis Health System | Supporting | GA89 |
| Kate Walton | Genesis Health System | Supporting | GA89 |
| Madeleine Bradley | Genesis Health System | Supporting | GA89 |
| Matt Eide | Genesis Health System | Supporting | GA89 |
| Molly Severn | Governor's Office | Supporting | 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 |
| Benjamin O'Connell | Gundersen Health System | Supporting | GA89 |
| Nathan Franklin | Gundersen Health System | Supporting | GA89 |
| Urmi Ramchandani | Gundersen Health System | Supporting | GA89 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Opposing | GA89 |
| Jake Highfill | Home Builders Association of Iowa | Supporting | GA89 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA89 |
| Nick Laning | IBEW Iowa State Conference | Opposing | GA89 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA89 |
| Jake Ketzner | Independent Insurance Agents of Iowa | Supporting | GA89 |
| Larry Blixt | Independent Insurance Agents of Iowa | Supporting | GA89 |
| Thomas O'Meara | Independent Insurance Agents of Iowa | Supporting | GA89 |
| Brei Johnson | Informed Choice Iowa | Undecided | GA89 |
| Kathryn Kueter | Informed Choice Iowa | Undecided | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| David Adelman | Iowa Academy of Family Physicians | Supporting | GA89 |
| Frank Chiodo | Iowa Academy of Family Physicians | Supporting | GA89 |
| Jake Highfill | Iowa Academy of Family Physicians | Supporting | GA89 |
| Lillie Brady | Iowa Academy of Family Physicians | Supporting | GA89 |
| Matt Hinch | Iowa Academy of Family Physicians | Supporting | GA89 |
| Sara Allen | Iowa Academy of Family Physicians | Supporting | GA89 |
| Sandra Conlin | Iowa Academy of Ophthamology, Inc. | Supporting | GA89 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Opposing | GA89 |
| Craig Walter | Iowa Assisted Living Association | Supporting | GA89 |
| Brad Lint | Iowa Association for Justice | Opposing | GA89 |
| Kellie Paschke | Iowa Association for Justice | Opposing | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA89 |
| Troy Skinner | Iowa Association for Justice | Opposing | 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 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA89 |
| Kent Nebel | Iowa Board of Medicine | Supporting | GA89 |
| Joe Murphy | Iowa Business Council | Supporting | GA89 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA89 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA89 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA89 |
| David Adelman | Iowa Dental Association | Supporting | GA89 |
| Frank Chiodo | Iowa Dental Association | Supporting | GA89 |
| Joshua Carpenter | Iowa Dental Association | Supporting | GA89 |
| Lillie Brady | Iowa Dental Association | Supporting | GA89 |
| Matt Hinch | Iowa Dental Association | Supporting | GA89 |
| Sara Allen | Iowa Dental Association | Supporting | GA89 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| David Adelman | Iowa Health Care Association | Supporting | GA89 |
| Frank Chiodo | Iowa Health Care Association | Supporting | GA89 |
| Lillie Brady | 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 |
| Erin Cubit | Iowa Hospital Association | Supporting | GA89 |
| Jamie Horbach | Iowa Hospital Association | Supporting | GA89 |
| Karla Fultz McHenry | Iowa Independent Physician Group | Supporting | GA89 |
| Frederick Haskins | Iowa Insurance Associates | Supporting | GA89 |
| BRITTANY LUMLEY | Iowa Insurance Institute | Supporting | GA89 |
| Jeffrey Boeyink | Iowa Insurance Institute | Supporting | GA89 |
| Taylor McDonald | Iowa Insurance Institute | Supporting | GA89 |
| Sandra Conlin | Iowa Medical Society | Supporting | GA89 |
| David Scott | Iowa Motor Truck Association | Supporting | GA89 |
| Marc Beltrame | Iowa Motor Truck Association | Supporting | GA89 |
| Amy Campbell | Iowa Nurses Association | Undecided | GA89 |
| Craig Patterson | Iowa Nurses Association | Undecided | GA89 |
| David Adelman | Iowa Osteopathic Medical Association | Supporting | GA89 |
| Frank Chiodo | Iowa Osteopathic Medical Association | Supporting | GA89 |
| Lillie Brady | Iowa Osteopathic Medical Association | Supporting | GA89 |
| Matt Hinch | Iowa Osteopathic Medical Association | Supporting | GA89 |
| Sara Allen | Iowa Osteopathic Medical Association | Supporting | GA89 |
| Mike St. Clair | Iowa Podiatric Medical Society | Supporting | GA89 |
| Jon Murphy | Iowa Society of Anesthesiologists | Supporting | GA89 |
| Tom Cope | Iowa Society of Anesthesiologists | Supporting | GA89 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA89 |
| Jim Carney | Iowa State Bar Association | Opposing | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Jake Ketzner | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA89 |
| Marc Beltrame | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA89 |
| Stacie Maass | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA89 |
| Jake Highfill | Iowans for Tax Relief | Supporting | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA89 |
| Joseph Zahorik | Ironworkers Local 89 | Opposing | GA89 |
| Matt Blake | LeadingAge Iowa | Supporting | GA89 |
| Shannon Strickler | LeadingAge Iowa | Supporting | GA89 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA89 |
| Julie Smith | Master Builders of Iowa | Supporting | GA89 |
| Karla Fultz McHenry | Medical Associates Clinic and Health Plan | Supporting | GA89 |
| BRITTANY LUMLEY | MercyOne | Supporting | GA89 |
| Jeffrey Boeyink | MercyOne | Supporting | GA89 |
| Mark Joyce | MercyOne | Supporting | GA89 |
| Taylor McDonald | MercyOne | Supporting | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA89 |
| Matt McKinney | Nationwide Agribusiness | Supporting | GA89 |
| RG Schwarm | Nationwide Agribusiness | Supporting | GA89 |
| Matt McKinney | Nationwide Mutual Ins. Co. | Supporting | GA89 |
| RG Schwarm | Nationwide Mutual Ins. Co. | Supporting | GA89 |
| Dane Schumann | North Central States Regional Council of Carpenters | Opposing | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Opposing | GA89 |
| Andy Conlin | Opportunity Solutions Project | Supporting | GA89 |
| Frederick Haskins | Patterson Law Firm LLP | Supporting | GA89 |
| Ryan Rupe | Personal Interest-Ryan Rupe | Opposing | GA89 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Opposing | GA89 |
| Joseph Kippley | Sanford Health | Supporting | GA89 |
| Jim Romar | Teamsters Local 238 | Opposing | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Rebekah Oleson | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA89 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA89 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA89 |
| Karla Fultz McHenry | The Iowa Clinic, P.C. | Supporting | GA89 |
| Kelli Harrison | UAW Region 4 | Opposing | GA89 |
| Kelli Harrison | UAW Region 4 | Undecided | GA89 |
| Cyndi Pederson | United Way of Central Iowa | Opposing | GA89 |
| Dave Stone | United Way of Central Iowa | Opposing | GA89 |
| John Pederson | United Way of Central Iowa | Opposing | GA89 |
| David Adelman | UnityPoint Health | Supporting | GA89 |
| Frank Chiodo | UnityPoint Health | Supporting | GA89 |
| Lillie Brady | UnityPoint Health | Supporting | GA89 |
| Matt Hinch | UnityPoint Health | Supporting | GA89 |
| Sara Allen | UnityPoint Health | Supporting | GA89 |
| Kathryn Kueter | VALOR Iowa | Undecided | GA89 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA89 |