| Morgan Miller | 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 |
| David Scott | American Council of Engineering Companies | Undecided | GA88 |
| Maddie Wilcox | American Massage Therapy Association (AMTA) | Opposing | GA88 |
| Maddie Wilcox | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Rachel Ong | American Massage Therapy Association (AMTA) | Opposing | GA88 |
| Rachel Ong | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Threase Harms | American Massage Therapy Association (AMTA) | Opposing | GA88 |
| Threase Harms | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| David Scott | American Water Works Association | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Carolann Jensen | 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 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Undecided | GA88 |
| Kellie Paschke | Cosmetologists and Barbers of Iowa | Undecided | GA88 |
| Troy Skinner | Cosmetologists and Barbers of Iowa | Undecided | GA88 |
| Karla Fultz McHenry | Delta Dental of Iowa | Undecided | GA88 |
| Lynh Patterson | Delta Dental of Iowa | Undecided | GA88 |
| Maddie Wilcox | Des Moines University | Undecided | GA88 |
| Threase Harms | Des Moines University | Undecided | GA88 |
| Kellie Paschke | Greenwich Biosciences, Inc. | Undecided | GA88 |
| Troy Skinner | Greenwich Biosciences, Inc. | Undecided | GA88 |
| Maddie Wilcox | IBEW Iowa State Conference | Opposing | GA88 |
| Maddie Wilcox | IBEW Iowa State Conference | Undecided | GA88 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA88 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA88 |
| Thomas Jochum | International Union of Operating Engineers-Local 234 | Undecided | GA88 |
| David Adelman | Iowa Academy of Family Physicians | Undecided | GA88 |
| Frank Chiodo | Iowa Academy of Family Physicians | Undecided | GA88 |
| Matt Hinch | Iowa Academy of Family Physicians | Undecided | GA88 |
| Sara Allen | Iowa Academy of Family Physicians | Undecided | GA88 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Undecided | GA88 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | 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 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Opposing | GA88 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Opposing | 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 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Kent Nebel | Iowa Board of Medicine | Opposing | GA88 |
| Kathy Weinberg | Iowa Board of Nursing | Undecided | GA88 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA88 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Katie Graham | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Amy Campbell | Iowa Coalition Against Sexual Assault | Opposing | GA88 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | Opposing | 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 |
| Kellie Paschke | Iowa Court Reporters Association | Undecided | GA88 |
| Troy Skinner | Iowa Court Reporters Association | Undecided | GA88 |
| Jill Stuecker | Iowa Dental Board | Undecided | GA88 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA88 |
| David Scott | Iowa Engineering Society | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA88 |
| Michael Triplett | Iowa Funeral Directors Association | Undecided | GA88 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA88 |
| Dustin Miller | Iowa Geothermal Association | Undecided | GA88 |
| Katie Graham | Iowa Geothermal Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA88 |
| David Adelman | Iowa Health Care Association | Undecided | GA88 |
| Frank Chiodo | Iowa Health Care Association | Undecided | GA88 |
| Matt Hinch | Iowa Health Care Association | Undecided | GA88 |
| Merea Bentrott | Iowa Health Care Association | Undecided | GA88 |
| Sara Allen | Iowa Health Care 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 |
| 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 |
| Maddie Wilcox | Iowa Occupational Therapy Association | Undecided | GA88 |
| Threase Harms | Iowa Occupational Therapy Association | Undecided | GA88 |
| Gary Ellis | Iowa Optometric Association | Undecided | GA88 |
| David Adelman | Iowa Osteopathic Medical Association | Undecided | GA88 |
| Frank Chiodo | Iowa Osteopathic Medical Association | Undecided | GA88 |
| Matt Hinch | Iowa Osteopathic Medical Association | Undecided | GA88 |
| Sara Allen | Iowa Osteopathic Medical 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 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA88 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA88 |
| Emily Piper | Iowa Psychiatric Society | Opposing | GA88 |
| Amy Campbell | Iowa Psychological Association | Opposing | GA88 |
| Craig Patterson | Iowa Psychological Association | Opposing | 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 |
| Mike Heller | Iowa Speech Language Hearing Association | Undecided | GA88 |
| Paula Feltner | Iowa Speech Language Hearing Association | Opposing | GA88 |
| Paula Feltner | Iowa Speech Language Hearing Association | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Michael Gronstal | Iowa State Building and Construction Trades | Undecided | 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 |
| David Scott | Iowa Water Well Association | Undecided | GA88 |
| Pete McRoberts | Iowans for Tax Relief | Supporting | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA88 |
| Amy Campbell | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Craig Patterson | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA88 |
| Kellie Paschke | Pfizer Inc. c/o Politicom Law LLP | Undecided | GA88 |
| Troy Skinner | Pfizer Inc. c/o Politicom Law LLP | Undecided | GA88 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA88 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA88 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA88 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA88 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA88 |
| David Scott | Society of Land Surveyors of Iowa | Undecided | GA88 |
| Jake Ketzner | Starkey Hearing Technologies | Undecided | GA88 |
| David Adelman | UnityPoint Health | Undecided | GA88 |
| Frank Chiodo | UnityPoint Health | Undecided | GA88 |
| Matt Hinch | UnityPoint Health | Undecided | GA88 |
| Sara Allen | UnityPoint Health | Undecided | GA88 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA88 |