| Amy Campbell | AARP Iowa | Undecided | GA88 |
| Brad Anderson | AARP Iowa | Undecided | GA88 |
| Craig Patterson | AARP Iowa | Undecided | GA88 |
| Mazie Stilwell | AFSCME Iowa Council 61 | Undecided | GA88 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA88 |
| Angela Sylling | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Danielle Oswald-Thole | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Doug Struyk | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Jennifer Dorman | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Jim Carney | American Cancer Society Cancer Action Network (ACS CAN) | Undecided | GA88 |
| Stacy Frelund | American Heart Association | Opposing | 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 |
| Chaney Yeast | Blank Childrens Hospital | Opposing | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA88 |
| Mark Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Angelica Cardenas-Chaisson | Common Good Iowa | Opposing | GA88 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA88 |
| Sheila Hansen | Common Good Iowa | Opposing | GA88 |
| Lynh Patterson | Delta Dental of Iowa | Undecided | GA88 |
| Luke Elzinga | Des Moines Area Religious Council | Opposing | GA88 |
| Luke Elzinga | Des Moines Area Religious Council | Undecided | GA88 |
| Mark Joyce | Equifax | Undecided | GA88 |
| Mark Joyce | Equifax | Withdrawn | GA88 |
| Mark Joyce | Equifax | Opposing | GA88 |
| Mike Heller | Father Flanagans Boys Home | Undecided | GA88 |
| Paula Feltner | Father Flanagans Boys Home | Undecided | GA88 |
| Brad Epperly | Federation of Iowa Insurers | Undecided | GA88 |
| Dustin Miller | Federation of Iowa Insurers | Undecided | GA88 |
| Katie Graham | Federation of Iowa Insurers | Undecided | GA88 |
| Paula Dierenfeld | Federation of Iowa Insurers | Undecided | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Undecided | GA88 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | Undecided | GA88 |
| Craig Syata | Iowa Association of Community Providers | Undecided | GA88 |
| Julie Smith | Iowa Association of Community Providers | Undecided | GA88 |
| Shelly Chandler | Iowa Association of Community Providers | Undecided | GA88 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Undecided | GA88 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA88 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA88 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA88 |
| Lana Shope | Iowa Community Action Association | Opposing | GA88 |
| Julie Smith | Iowa Dental Association | Undecided | GA88 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA88 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA88 |
| Rik Shannon | Iowa Developmental Disabilities Council | Opposing | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA88 |
| Julianne Frosolone | Iowa Federation of Labor, AFL-CIO | Undecided | GA88 |
| Lana Shope | Iowa Head Start Association | Opposing | GA88 |
| Erika Eckley | Iowa Hospital Association | Undecided | GA88 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA88 |
| J. Norris | Iowa Hospital Association | Undecided | GA88 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA88 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA88 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA88 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA88 |
| Amy Campbell | Iowa Psychological Association | Undecided | GA88 |
| Craig Patterson | Iowa Psychological Association | Undecided | GA88 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Undecided | GA88 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Undecided | GA88 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA88 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Amy Campbell | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Craig Patterson | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Undecided | GA88 |
| Susan Letsch | National Association of Social Workers, Iowa Chapter | Undecided | GA88 |
| Bob Rafferty | National Multiple Sclerosis Society-Upper Midwest Chapter | Opposing | GA88 |
| Dane Schumann | National Multiple Sclerosis Society-Upper Midwest Chapter | Opposing | GA88 |
| Maddie Wilcox | National Multiple Sclerosis Society-Upper Midwest Chapter | Opposing | GA88 |
| Threase Harms | National Multiple Sclerosis Society-Upper Midwest Chapter | Opposing | GA88 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Opposing | GA88 |
| Karla Fultz McHenry | Opportunity Solutions Project | Withdrawn | GA88 |
| Karla Fultz McHenry | Opportunity Solutions Project | Supporting | GA88 |
| Doug Struyk | RELX Inc. | Undecided | GA88 |
| Jennifer Dorman | RELX Inc. | Opposing | GA88 |
| Jim Carney | RELX Inc. | Undecided | GA88 |
| Cyndi Pederson | United Way of Central Iowa | Opposing | GA88 |
| Dave Stone | United Way of Central Iowa | Opposing | GA88 |
| John Pederson | United Way of Central Iowa | Opposing | GA88 |
| Jon Murphy | United Ways of Iowa | Opposing | GA88 |
| Tom Cope | United Ways of Iowa | Opposing | GA88 |
| Tom Cope | United Ways of Iowa | Undecided | GA88 |