| Melissa Speed | 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Kelli Soyer | Common Good Iowa | Supporting | GA89 |
| Mike Owen | Common Good Iowa | Supporting | GA89 |
| Natalie Veldhouse | Common Good Iowa | Supporting | GA89 |
| Sheila Hansen | Common Good Iowa | 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 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Supporting | GA89 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA89 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Supporting | GA89 |
| Brad Lint | Iowa Association for Justice | Supporting | GA89 |
| Kellie Paschke | Iowa Association for Justice | Undecided | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA89 |
| Troy Skinner | Iowa Association for Justice | Undecided | 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 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Bill Peard | Iowa Cable and Telecommunications Association | Supporting | GA89 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA89 |
| Sara Eide | Iowa Catholic Conference | Supporting | GA89 |
| Tom Chapman | Iowa Catholic Conference | Supporting | 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 |
| Carrie Malone | Iowa Dept. of Human Services | 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 |
| Susan Cameron Daemen | Iowa Nurse Practitioners Society | Supporting | GA89 |
| Tony Phillips | Iowa Nurse Practitioners Society | Supporting | GA89 |
| John Strathman | Iowa Right to Life Committee | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA89 |
| Jim Carney | Iowa State Bar Association | Supporting | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Supporting | 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 |
| Maggie DeWitte | Iowans for LIFE | Supporting | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Supporting | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Supporting | GA89 |
| Doug Struyk | Mediacom Communications Corporation | Supporting | GA89 |
| Jennifer Dorman | Mediacom Communications Corporation | Supporting | GA89 |
| Jim Carney | Mediacom Communications Corporation | Supporting | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Opposing | GA89 |
| Dane Schumann | North Central States Regional Council of Carpenters | Supporting | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Supporting | GA89 |
| Kate Walton | Nurse-Family Partnership | Supporting | GA89 |
| Madeleine Bradley | Nurse-Family Partnership | Supporting | GA89 |
| Matt Eide | Nurse-Family Partnership | Supporting | GA89 |
| Jim Romar | Teamsters Local 238 | Supporting | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Rebekah Oleson | The Family Leader | 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 |