| 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 |
| Christopher Rants | Center for Rural Affairs | Undecided | GA89 |
| Cody Smith | Center for Rural Affairs | Undecided | GA89 |
| John Cacciatore | Center for Rural Affairs | Undecided | GA89 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Supporting | GA89 |
| Robert Mulqueen | Coalition for Iowa Woodlands and Trees | Supporting | GA89 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | GA89 |
| Robert Mulqueen | Conservation Districts of Iowa | Supporting | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Dane Schumann | Dog Daycare Coalition | Undecided | 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 |
| Jim Obradovich | Hungry Canyons Alliance | Supporting | GA89 |
| Robert Mulqueen | Hungry Canyons Alliance | Supporting | GA89 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA89 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA89 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA89 |
| Meghan Malloy | 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 | Undecided | GA89 |
| Jim Obradovich | Iowa Conservation Alliance | Supporting | GA89 |
| Robert Mulqueen | Iowa Conservation Alliance | Supporting | GA89 |
| Jeff Smith | Iowa Corn Growers Association | Supporting | GA89 |
| Jerry Fitzgerald | Iowa Corn Growers Association | Supporting | GA89 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association | Supporting | GA89 |
| Matt Fitzgerald | Iowa Corn Growers Association | Supporting | GA89 |
| Mindy Poldberg | Iowa Corn Growers Association | Supporting | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Undecided | GA89 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Undecided | GA89 |
| Doug Struyk | Iowa Drainage District Association | Supporting | GA89 |
| Jennifer Dorman | Iowa Drainage District Association | Supporting | GA89 |
| Jim Carney | Iowa Drainage District Association | Supporting | GA89 |
| John Torbert | Iowa Drainage District Association | Supporting | GA89 |
| Mona Bond | Iowa Drainage District Association | Supporting | GA89 |
| Angela Davis | Iowa Environmental Council | Undecided | GA89 |
| Gary Grant | Iowa Hemp Association | Undecided | GA89 |
| Larry Murphy | Iowa Hemp Association | Undecided | GA89 |
| Meghan Malloy | Iowa Hemp Association | Undecided | GA89 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA89 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA89 |
| Angela Davis | Iowa Pet Alliance | Undecided | GA89 |
| Drew Mogler | Iowa Pork Producers Association | Supporting | GA89 |
| Jeff Smith | Iowa Pork Producers Association | Supporting | GA89 |
| Jerry Fitzgerald | Iowa Pork Producers Association | Supporting | GA89 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Supporting | GA89 |
| Matt Fitzgerald | Iowa Pork Producers Association | Supporting | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Supporting | GA89 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA89 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA89 |
| Gary Grant | Linn County Board of Supervisors | Withdrawn | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Withdrawn | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Withdrawn | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Amy Campbell | Loess Hills Alliance | Undecided | GA89 |
| Craig Patterson | Loess Hills Alliance | Undecided | GA89 |
| Amy Campbell | Lutheran Services in IA, Inc. | Undecided | GA89 |
| Craig Patterson | Lutheran Services in IA, Inc. | Undecided | GA89 |
| Amy Campbell | Okoboji Tourism | Undecided | GA89 |
| Craig Patterson | Okoboji Tourism | Undecided | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA89 |
| Emily Piper | Rathbun Regional Water Association | Undecided | GA89 |
| Christopher Rants | State Police Officers Council | Undecided | GA89 |
| John Cacciatore | State Police Officers Council | Undecided | GA89 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA89 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |