| Troy Price | AFSCME Iowa Council 61 | Opposing | GA89 |
| Emily Piper | American Association of Marriage and Family Therapy | Supporting | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Noah Tabor | Americas Health Insurance Plans (AHIP) | Undecided | GA89 |
| Brad Epperly | Ames Chamber of Commerce | Supporting | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Supporting | GA89 |
| Doug Struyk | Anheuser Busch | Undecided | GA89 |
| Jennifer Dorman | Anheuser Busch | Undecided | GA89 |
| Jim Carney | Anheuser Busch | Undecided | 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 | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Supporting | GA89 |
| Stacey Pellett | Deere & Company | Supporting | GA89 |
| Christopher Rants | Des Moines Area Regional Transit | Supporting | GA89 |
| John Cacciatore | Des Moines Area Regional Transit | Supporting | 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 |
| Kyle Carlson | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| John Cacciatore | Farm Credit Service of America | Undecided | GA89 |
| Justin Hupfer | Farm Credit Service of America | Undecided | GA89 |
| Lee Henderson | Federation of Iowa Insurers | Undecided | GA89 |
| Matt McKinney | Federation of Iowa Insurers | Undecided | GA89 |
| RG Schwarm | Federation of Iowa Insurers | Undecided | GA89 |
| Gary Grant | Full Circle Services, Inc. | Undecided | GA89 |
| Larry Murphy | Full Circle Services, Inc. | Undecided | GA89 |
| Meghan Malloy | Full Circle Services, Inc. | Undecided | 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 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA89 |
| Gary Grant | Integrated Telehealth Partners | Undecided | GA89 |
| Larry Murphy | Integrated Telehealth Partners | Undecided | GA89 |
| Renee Schulte | Integrated Telehealth Partners | Undecided | GA89 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Supporting | GA89 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | 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 |
| 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 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Supporting | GA89 |
| Brad Epperly | Iowa Association of Municipal Utilities | Supporting | GA89 |
| Dustin Miller | Iowa Association of Municipal Utilities | Supporting | GA89 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Supporting | GA89 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Supporting | GA89 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA89 |
| Mike Rozenboom | Iowa Bankers Association | Supporting | GA89 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA89 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA89 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA89 |
| Joe Murphy | Iowa Business Council | Supporting | GA89 |
| Paula Dierenfeld | Iowa Business Energy Coalition (IBEC) | Undecided | 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 | Supporting | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA89 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA89 |
| Jake Ketzner | Iowa Conservative Energy Forum | Undecided | GA89 |
| Gracie Brandsgard | Iowa Credit Union League | Supporting | GA89 |
| Justin Hupfer | Iowa Credit Union League | Supporting | GA89 |
| Carrie Malone | Iowa Dept. of Human Services | Supporting | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Supporting | GA89 |
| Jordan Oster | Iowa Environmental Council | Undecided | GA89 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA89 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA89 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Supporting | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Kristin Hanks-Bents | Iowa Finance Authority | Supporting | GA89 |
| Blake DeRouchey | Iowa Homeland Security & Emergency Management Div. | Undecided | GA89 |
| Erin Cubit | Iowa Hospital Association | Supporting | GA89 |
| J. Norris | Iowa Hospital Association | Supporting | GA89 |
| Kim Murphy | Iowa Hospital Association | Supporting | GA89 |
| Maureen Keehnle | Iowa Hospital Association | Supporting | GA89 |
| Nicole Proesch | Iowa Hospital Association | Supporting | GA89 |
| Bob Rafferty | Iowa Housing Partnership | Supporting | GA89 |
| Nick Laning | Iowa Housing Partnership | Supporting | GA89 |
| Rachel Ong | Iowa Housing Partnership | Supporting | GA89 |
| Jon Murphy | Iowa Housing Trust Funds Advocates Network | Supporting | GA89 |
| Tom Cope | Iowa Housing Trust Funds Advocates Network | Supporting | GA89 |
| Alan Kemp | Iowa League of Cities | Opposing | GA89 |
| Daniel Stalder | Iowa League of Cities | Opposing | GA89 |
| Matt McKinney | Iowa League of Cities | Opposing | GA89 |
| RG Schwarm | Iowa League of Cities | Opposing | GA89 |
| Robert Palmer | Iowa League of Cities | Opposing | GA89 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Undecided | GA89 |
| Renee Schulte | Iowa Mental Health Counselors Association | Supporting | GA89 |
| Amy Campbell | Iowa Nurses Association | Supporting | GA89 |
| Craig Patterson | Iowa Nurses Association | Supporting | 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 |
| Amy Campbell | Iowa Primary Care Association | Supporting | GA89 |
| Craig Patterson | Iowa Primary Care Association | Supporting | GA89 |
| Emily Piper | Iowa Psychiatric Physicians Society | Supporting | GA89 |
| Amy Campbell | Iowa Psychological Association | Supporting | GA89 |
| Craig Patterson | Iowa Psychological Association | Supporting | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Jim Henter | Iowa Retail Federation | Supporting | GA89 |
| Jim Obradovich | Iowa School Counselors Association | Supporting | GA89 |
| Robert Mulqueen | Iowa School Counselors Association | Supporting | GA89 |
| Jim Obradovich | Iowa School Nurses Organization | Supporting | GA89 |
| Robert Mulqueen | Iowa School Nurses Organization | Supporting | GA89 |
| Jim Obradovich | Iowa School Psychologists Association | Supporting | GA89 |
| Robert Mulqueen | Iowa School Psychologists Association | Supporting | GA89 |
| Jim Obradovich | Iowa School Social Workers Association | Supporting | GA89 |
| Robert Mulqueen | Iowa School Social Workers Association | Supporting | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA89 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Opposing | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | 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 |
| Tom Sands | Iowa Taxpayers Association | Supporting | GA89 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | 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 |
| Andy Conlin | Lumen | Undecided | GA89 |
| Jake Highfill | Lumen | Undecided | GA89 |
| Amy Campbell | Lutheran Services in IA, Inc. | Supporting | GA89 |
| Craig Patterson | Lutheran Services in IA, Inc. | Supporting | GA89 |
| Gary Grant | MH/DS of East Central Region | Undecided | GA89 |
| Larry Murphy | MH/DS of East Central Region | Undecided | GA89 |
| Meghan Malloy | MH/DS of East Central Region | Undecided | GA89 |
| Noah Tabor | Medica | Undecided | GA89 |
| Jim Obradovich | Mental Health America | Supporting | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA89 |
| Lon Anderson | National Alliance on Mental Illness - Iowa | Supporting | GA89 |
| Renee Schulte | National Alliance on Mental Illness - Iowa | Supporting | GA89 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Undecided | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA89 |
| Brian Johnson | NextEra Energy | Undecided | GA89 |
| Christopher Rants | NextEra Energy | Undecided | 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) | Supporting | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA89 |
| Gary Grant | Resources for Human Development | Undecided | GA89 |
| Larry Murphy | Resources for Human Development | Undecided | GA89 |
| Meghan Malloy | Resources for Human Development | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA89 |
| Jake Highfill | Smart Contracts | Supporting | GA89 |
| Jim Obradovich | Trusted Energy | Supporting | 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 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA89 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA89 |