| Mazie Stilwell | AFSCME Iowa Council 61 | Undecided | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA87 |
| Larry Blixt | Association of Iowa Fairs | Supporting | GA87 |
| Dane Schumann | Connect CR | Undecided | GA87 |
| Threase Harms | Connect CR | Undecided | GA87 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | GA87 |
| Mike Heller | DXC MS LLC | Undecided | GA87 |
| Paula Feltner | DXC MS LLC | Undecided | GA87 |
| Dane Schumann | Des Moines Water Works | Undecided | GA87 |
| Threase Harms | Des Moines Water Works | Undecided | GA87 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Donna Orton | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Ryan Sempf | Iowa City Area Chamber of Commerce | Undecided | GA87 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA87 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA87 |
| Jeff Smith | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA87 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Undecided | GA87 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA87 |
| Threase Harms | Iowa Farmers Union | Undecided | GA87 |
| Jon Murphy | Iowa Housing Trust Funds Advocates Network | Supporting | GA87 |
| Tom Cope | Iowa Housing Trust Funds Advocates Network | Supporting | GA87 |
| Molly Kottmeyer | Iowa Judicial Branch - Supreme Court | Supporting | GA87 |
| Sydney Gangestad | Iowa Judicial Branch - Supreme Court | Supporting | GA87 |
| Todd Nuccio | Iowa Judicial Branch - Supreme Court | Supporting | GA87 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA87 |
| Grant Menke | Iowa Renewable Fuels Association (IRF) | Supporting | GA87 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Supporting | GA87 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Supporting | GA87 |
| Dane Schumann | Iowa Rivers Revival | Supporting | GA87 |
| Threase Harms | Iowa Rivers Revival | Supporting | GA87 |
| Jim Obradovich | Iowa Shortline and Regional Railroad Association | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA87 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA87 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA87 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA87 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA87 |
| Lyle Krewson | Lutheran Services in IA, Inc. | Undecided | GA87 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA87 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA87 |
| Julie Smith | Master Builders of Iowa | Supporting | GA87 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Supporting | GA87 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Supporting | GA87 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Kent Hartwig | Renewable Energy Group (REG) | Supporting | GA87 |
| Charlotte Eby | Ruan, Inc. | Supporting | GA87 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA87 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA87 |
| Dane Schumann | Visiting Nurse Services of Iowa | Undecided | GA87 |
| Threase Harms | Visiting Nurse Services of Iowa | Undecided | GA87 |
| Dane Schumann | YMCA State Alliance | Supporting | GA87 |
| Threase Harms | YMCA State Alliance | Supporting | GA87 |