| Amy Campbell | AARP Iowa | Undecided | GA89 |
| Brad Anderson | AARP Iowa | Undecided | GA89 |
| Craig Patterson | AARP Iowa | Undecided | GA89 |
| Emily Piper | American Association of Marriage and Family Therapy | Undecided | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Brad Epperly | Ames Chamber of Commerce | Undecided | GA89 |
| Dustin Miller | Ames Chamber of Commerce | 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 |
| Hannah McDowell | Brain Injury Alliance of Iowa | Undecided | GA89 |
| Nick Laning | Brain Injury Alliance of Iowa | Undecided | GA89 |
| Threase Harms | Brain Injury Alliance of Iowa | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | City of Cedar Rapids | Opposing | GA89 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA89 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA89 |
| Alex Hassel | City of Des Moines | Undecided | GA89 |
| Doug Struyk | City of Des Moines | Undecided | GA89 |
| Jen Schulte | City of Des Moines | Undecided | GA89 |
| Jennifer Dorman | City of Des Moines | Undecided | GA89 |
| Jim Carney | City of Des Moines | Undecided | GA89 |
| Doug Struyk | City of Iowa City | Opposing | GA89 |
| Jennifer Dorman | City of Iowa City | Opposing | GA89 |
| Jim Carney | City of Iowa City | Opposing | GA89 |
| Doug Struyk | City of Waukee | Opposing | GA89 |
| Jennifer Dorman | City of Waukee | Opposing | GA89 |
| Jim Carney | City of Waukee | Opposing | GA89 |
| Sydney Gangestad | City of West Des Moines | Undecided | GA89 |
| Tim Coonan | City of West Des Moines | Undecided | GA89 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Undecided | GA89 |
| Robert Mulqueen | Coalition for Iowa Woodlands and Trees | Undecided | GA89 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Natalie Veldhouse | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | GA89 |
| Christopher Rants | Des Moines Area Regional Transit | Supporting | GA89 |
| Christopher Rants | Des Moines Area Regional Transit | Opposing | GA89 |
| John Cacciatore | Des Moines Area Regional Transit | Supporting | GA89 |
| John Cacciatore | Des Moines Area Regional Transit | Opposing | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA89 |
| Hannah McDowell | Easterseals Iowa | Undecided | GA89 |
| Nick Laning | Easterseals Iowa | Undecided | GA89 |
| Threase Harms | Easterseals Iowa | Undecided | GA89 |
| Bob Rafferty | Epilepsy Foundation Iowa | Undecided | GA89 |
| Hannah McDowell | Epilepsy Foundation Iowa | Undecided | GA89 |
| Nick Laning | Epilepsy Foundation Iowa | Undecided | GA89 |
| Threase Harms | Epilepsy Foundation Iowa | Undecided | GA89 |
| Hannah McDowell | EveryStep | Undecided | GA89 |
| Nick Laning | EveryStep | Undecided | GA89 |
| Rachel Ong | EveryStep | Undecided | GA89 |
| Threase Harms | EveryStep | Undecided | GA89 |
| Sydney Gangestad | Exceptional Persons, Inc. | Opposing | GA89 |
| Tim Coonan | Exceptional Persons, Inc. | Opposing | GA89 |
| Mike Heller | Father Flanagans Boys Home | Undecided | GA89 |
| Paula Feltner | Father Flanagans Boys Home | Undecided | GA89 |
| Gary Grant | Full Circle Services, Inc. | Opposing | GA89 |
| Larry Murphy | Full Circle Services, Inc. | Opposing | GA89 |
| Meghan Malloy | Full Circle Services, Inc. | Opposing | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Hannah McDowell | Grow Clinton County | Opposing | GA89 |
| Nick Laning | Grow Clinton County | Opposing | GA89 |
| Threase Harms | Grow Clinton County | Opposing | GA89 |
| Karla Fultz McHenry | Hills and Dales | Undecided | GA89 |
| Sydney Gangestad | Hope Haven Area Development Center | Opposing | GA89 |
| Tim Coonan | Hope Haven Area Development Center | Opposing | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Undecided | GA89 |
| Sydney Gangestad | Imagine the Possibilities | Opposing | GA89 |
| Tim Coonan | Imagine the Possibilities | Opposing | GA89 |
| Gary Grant | Integrated Telehealth Partners | Undecided | GA89 |
| Larry Murphy | Integrated Telehealth Partners | Undecided | GA89 |
| Renee Schulte | Integrated Telehealth Partners | Undecided | GA89 |
| Hannah McDowell | Iowa Alliance of YMCA's | Opposing | GA89 |
| Nick Laning | Iowa Alliance of YMCA's | Opposing | GA89 |
| Threase Harms | Iowa Alliance of YMCA's | Opposing | 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 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA89 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA89 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Andy Conlin | Iowa Association of Community Providers | Undecided | GA89 |
| Julie Smith | Iowa Association of Community Providers | Undecided | GA89 |
| Shelly Chandler | Iowa Association of Community Providers | Undecided | GA89 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA89 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Opposing | GA89 |
| Jennifer Kingland | Iowa Association of Realtors | 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 | Undecided | GA89 |
| Sharon Presnall | Iowa Bankers Association | 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 | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Roberta Paige | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Jim Obradovich | Iowa Conservation Alliance | Opposing | GA89 |
| Robert Mulqueen | Iowa Conservation Alliance | Opposing | GA89 |
| Tammie Krausman | Iowa Dept. of Natural Resources | 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 |
| Hannah McDowell | Iowa Farmers Union | Undecided | GA89 |
| Nick Laning | Iowa Farmers Union | Undecided | GA89 |
| Threase Harms | Iowa Farmers Union | Undecided | GA89 |
| Erin Cubit | Iowa Hospital Association | Undecided | GA89 |
| J. Norris | Iowa Hospital Association | Undecided | GA89 |
| Kim Murphy | Iowa Hospital Association | Undecided | GA89 |
| Maureen Keehnle | Iowa Hospital Association | Undecided | GA89 |
| Nicole Proesch | Iowa Hospital Association | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Opposing | GA89 |
| Daniel Stalder | Iowa League of Cities | Opposing | GA89 |
| Robert Palmer | Iowa League of Cities | Opposing | GA89 |
| Amy Campbell | Iowa Library Association (ILA) | Opposing | GA89 |
| Craig Patterson | Iowa Library Association (ILA) | Opposing | GA89 |
| Leslie Carpenter | Iowa Mental Health Advocacy | Undecided | GA89 |
| Renee Schulte | Iowa Mental Health Counselors Association | Undecided | GA89 |
| Amy Campbell | Iowa Natural Heritage Foundation | Opposing | GA89 |
| Anna Gray | Iowa Natural Heritage Foundation | Opposing | GA89 |
| Craig Patterson | Iowa Natural Heritage Foundation | Opposing | GA89 |
| Emily Piper | Iowa Psychiatric Physicians Society | Undecided | GA89 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Opposing | GA89 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Opposing | GA89 |
| Jim Henter | Iowa Retail Federation | Supporting | GA89 |
| Nick Laning | Iowa Rivers Revival | Opposing | GA89 |
| Threase Harms | Iowa Rivers Revival | Opposing | 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 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA89 |
| William Peterson | Iowa State Association of Counties | Opposing | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Tom Sands | Iowa Taxpayers Association | Supporting | GA89 |
| David Adelman | Iowa Wood Industry Association | Undecided | GA89 |
| Frank Chiodo | Iowa Wood Industry Association | Undecided | GA89 |
| Matt Hinch | Iowa Wood Industry Association | Undecided | GA89 |
| Sara Allen | Iowa Wood Industry Association | Undecided | GA89 |
| Scott Newhard | Iowa Wood Industry Association | Undecided | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA89 |
| Tim Wagner | Izaak Walton League of America | Opposing | GA89 |
| Karla Fultz McHenry | Link Associates | Undecided | GA89 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Opposing | GA89 |
| Gary Grant | MH/DS of East Central Region | Opposing | GA89 |
| Larry Murphy | MH/DS of East Central Region | Opposing | GA89 |
| Meghan Malloy | MH/DS of East Central Region | Opposing | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA89 |
| Julie Smith | Master Builders of Iowa | Undecided | GA89 |
| David Adelman | Metropolitan Coalition | Opposing | GA89 |
| Frank Chiodo | Metropolitan Coalition | Opposing | GA89 |
| Matt Hinch | Metropolitan Coalition | Opposing | GA89 |
| Sara Allen | Metropolitan Coalition | Opposing | GA89 |
| Sydney Gangestad | Mosaic | Opposing | GA89 |
| Tim Coonan | Mosaic | Opposing | GA89 |
| Lon Anderson | National Alliance on Mental Illness - Iowa | Supporting | GA89 |
| Lon Anderson | National Alliance on Mental Illness - Iowa | Undecided | GA89 |
| Renee Schulte | National Alliance on Mental Illness - Iowa | Supporting | GA89 |
| Renee Schulte | National Alliance on Mental Illness - Iowa | Undecided | GA89 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Undecided | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA89 |
| Sydney Gangestad | Nishna Productions Inc. | Opposing | GA89 |
| Tim Coonan | Nishna Productions Inc. | Opposing | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Opposing | GA89 |
| Tim Coonan | One Vision | Opposing | GA89 |
| Emily Piper | Piper Sandler | Opposing | 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) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | 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 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA89 |
| Michael Triplett | Self Storage Association | Supporting | GA89 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA89 |
| Karla Fultz McHenry | Systems Unlimited, Inc. | Undecided | GA89 |
| Amber Markham | The Nature Conservancy | Opposing | GA89 |
| Doug Struyk | The Nature Conservancy | Opposing | GA89 |
| Jennifer Dorman | The Nature Conservancy | Opposing | GA89 |
| Jim Carney | The Nature Conservancy | Opposing | GA89 |
| Gary Grant | Urban County Coalition | Opposing | GA89 |
| Larry Murphy | Urban County Coalition | Opposing | GA89 |
| Meghan Malloy | Urban County Coalition | Opposing | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |
| Sydney Gangestad | Village Northwest Unlimited | Opposing | GA89 |
| Tim Coonan | Village Northwest Unlimited | Opposing | GA89 |
| Mike Heller | Waste Management, Inc. | Undecided | GA89 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA89 |