| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA88 |
| Troy Price | AFSCME Iowa Council 61 | Opposing | GA88 |
| Doug Struyk | Accountants Association of Iowa | Undecided | GA88 |
| Jennifer Dorman | Accountants Association of Iowa | Undecided | GA88 |
| Jim Carney | Accountants Association of Iowa | Undecided | GA88 |
| Emily Piper | American Association of Marriage and Family Therapy | Undecided | GA88 |
| Maddie Wilcox | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Rachel Ong | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Threase Harms | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Doug Struyk | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA88 |
| Jennifer Dorman | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA88 |
| Jim Carney | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA88 |
| Kyle Carlson | Anthem, Inc. and Its Affiliates Including Amerigroup | Undecided | GA88 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA88 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Karla Fultz McHenry | Delta Dental of Iowa | Undecided | GA88 |
| Lynh Patterson | Delta Dental of Iowa | Undecided | GA88 |
| Henry Marquard | Genesis Health System | Undecided | GA88 |
| Kate Walton | Genesis Health System | Undecided | GA88 |
| Matt Eide | Genesis Health System | Undecided | GA88 |
| Maddie Wilcox | IBEW Iowa State Conference | Undecided | GA88 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Kelly Meyers | Iowa Association of Behavior Analysis | Undecided | GA88 |
| Susan Cameron Daemen | Iowa Association of Behavior Analysis | Undecided | GA88 |
| Julie Smith | Iowa Association of Community Providers | Undecided | GA88 |
| Shelly Chandler | Iowa Association of Community Providers | Undecided | GA88 |
| Doug Struyk | Iowa Association of Nurse Anesthetists | Undecided | GA88 |
| Jennifer Dorman | Iowa Association of Nurse Anesthetists | Undecided | GA88 |
| Jim Carney | Iowa Association of Nurse Anesthetists | Undecided | GA88 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA88 |
| Doug Struyk | Iowa Athletic Trainers Society | Undecided | GA88 |
| Jennifer Dorman | Iowa Athletic Trainers Society | Undecided | GA88 |
| Jim Carney | Iowa Athletic Trainers Society | Undecided | GA88 |
| Joanne Tubbs | Iowa Board of Educational Examiners | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA88 |
| Kelly Meyers | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Undecided | GA88 |
| Susan Cameron Daemen | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Undecided | GA88 |
| Maddie Wilcox | Iowa Cosmetology School Association | Undecided | GA88 |
| Rachel Ong | Iowa Cosmetology School Association | Undecided | GA88 |
| Threase Harms | Iowa Cosmetology School Association | Undecided | GA88 |
| Matt McKinney | Iowa Dental Association | Undecided | GA88 |
| RG Schwarm | Iowa Dental Association | Undecided | GA88 |
| Jill Stuecker | Iowa Dental Board | Undecided | GA88 |
| Amy McCoy | Iowa Dept. of Public Health | Undecided | GA88 |
| Cohl Bultje | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Mike Marshall | Iowa Ethics and Campaign Disclosure Board | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA88 |
| Julianne Frosolone | Iowa Federation of Labor, AFL-CIO | Opposing | GA88 |
| Michael Triplett | Iowa Funeral Directors Association | Undecided | GA88 |
| Kelly Meyers | Iowa Hearing Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa Hearing Association | Undecided | GA88 |
| Abhay Nadipuram | Iowa Hospital Association | Undecided | GA88 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA88 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA88 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA88 |
| Nicole Proesch | Iowa Hospital Association | Undecided | GA88 |
| Karla Fultz McHenry | Iowa Independent Physician Group | Undecided | GA88 |
| Kate Walton | Iowa Medical Group Management Association | Undecided | GA88 |
| Matt Eide | Iowa Medical Group Management Association | Undecided | GA88 |
| Renee Schulte | Iowa Mental Health Counselors Association | Opposing | GA88 |
| Kelly Meyers | Iowa Nurse Practitioners Society | Undecided | GA88 |
| Susan Cameron Daemen | Iowa Nurse Practitioners Society | Undecided | GA88 |
| Maddie Wilcox | Iowa Occupational Therapy Association | Undecided | GA88 |
| Threase Harms | Iowa Occupational Therapy Association | Undecided | GA88 |
| Gary Ellis | Iowa Optometric Association | Undecided | GA88 |
| Kelly Meyers | Iowa Optometric Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa Optometric Association | Undecided | GA88 |
| Casey Ficek | Iowa Pharmacy Association | Undecided | GA88 |
| Kate Walton | Iowa Pharmacy Association | Undecided | GA88 |
| Matt Eide | Iowa Pharmacy Association | Undecided | GA88 |
| Kate Walton | Iowa Physical Therapy Association | Undecided | GA88 |
| Matt Eide | Iowa Physical Therapy Association | Undecided | GA88 |
| Sydney Gangestad | Iowa Physician Assistant Society | Undecided | GA88 |
| Tim Coonan | Iowa Physician Assistant Society | Undecided | GA88 |
| Christopher Rants | Iowa Prosthetics, Orthotics, Pedorthotics Association | Undecided | GA88 |
| John Cacciatore | Iowa Prosthetics, Orthotics, Pedorthotics Association | Undecided | GA88 |
| Emily Piper | Iowa Psychiatric Society | Undecided | GA88 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA88 |
| Maddie Wilcox | Iowa Sleep Society | Undecided | GA88 |
| Threase Harms | Iowa Sleep Society | Undecided | GA88 |
| Kate Walton | Iowa Society for Respiratory Care | Undecided | GA88 |
| Matt Eide | Iowa Society for Respiratory Care | Undecided | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Mike Heller | Iowa Speech Language Hearing Association | Opposing | GA88 |
| Paula Feltner | Iowa Speech Language Hearing Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Morgan Miller | Iowa State Education Association | Opposing | GA88 |
| Doug Struyk | Iowa Veterinary Medical Association | Undecided | GA88 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Undecided | GA88 |
| Jim Carney | Iowa Veterinary Medical Association | Undecided | GA88 |
| Pete McRoberts | Iowans for Tax Relief | Supporting | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA88 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA88 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA88 |
| Andy Teas | Office of Ombudsman | Undecided | GA88 |
| Kristie Hirschman | Office of Ombudsman | Undecided | GA88 |
| Matt McKinney | Optimae Life Services, Inc. | Undecided | GA88 |
| RG Schwarm | Optimae Life Services, Inc. | Undecided | GA88 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Undecided | GA88 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA88 |
| John Cacciatore | Polk County Medical Society | Undecided | GA88 |
| Lon Anderson | Polk County Medical Society | Undecided | GA88 |
| Jefferson Fink | Sellers Galenbeck and Nelson | Undecided | GA88 |
| Jake Ketzner | Starkey Hearing Technologies | Undecided | GA88 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA88 |