| Troy Price | AFSCME Iowa Council 61 | Supporting | 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 |
| 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 |
| Chaney Yeast | Blank Childrens Hospital | 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Withdrawn | GA89 |
| MaryNelle Trefz | Common Good Iowa | Supporting | GA89 |
| Sheila Hansen | Common Good Iowa | Supporting | GA89 |
| Karla Fultz McHenry | Delta Dental of Iowa | Undecided | GA89 |
| Lynh Patterson | Delta Dental of Iowa | Undecided | 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 |
| Kyle Carlson | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Nicholas Dreeszen | Families United Action Network (FUAN) | Undecided | GA89 |
| Rosanne Plante | Families United Action Network (FUAN) | Undecided | GA89 |
| Ryan Rupe | Families United Action Network (FUAN) | Undecided | GA89 |
| Sarah Abdouch | Families United Action Network (FUAN) | Undecided | GA89 |
| ToyA Johnson | Families United Action Network (FUAN) | Undecided | GA89 |
| Whitney Rupe | Families United Action Network (FUAN) | Undecided | GA89 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| MaryNelle Trefz | Iowa ACEs 360 | Supporting | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA89 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA89 |
| James Kersten | Iowa Central Community College | Undecided | GA89 |
| Susan Cameron Daemen | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Supporting | GA89 |
| Tony Phillips | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Supporting | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA89 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Roberta Paige | Iowa Conference of United Methodist Church | Supporting | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| Susan Cameron Daemen | Iowa Nurse Practitioners Society | Supporting | GA89 |
| Tony Phillips | Iowa Nurse Practitioners Society | Supporting | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Supporting | GA89 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA89 |
| Morgan Miller | Iowa State Education Association | Supporting | GA89 |
| Dylan Gramlich | Laborers International Union of North America | Supporting | GA89 |
| Kate Walton | Lennox International | Undecided | GA89 |
| Matt Eide | Lennox International | Undecided | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Opposing | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Supporting | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| Jim Romar | Teamsters Local 238 | Supporting | GA89 |
| Angie Long | The Family Leader | Supporting | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Angie Long | The Family Leader Foundation | Supporting | GA89 |
| Chuck Hurley | The Family Leader Foundation | 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 |
| Kelli Harrison | UAW Region 4 | Supporting | GA89 |
| Karl Schilling | United Professionals/UE | Supporting | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA89 |