| Jeff Smith | Agribusiness Association of Iowa | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA90 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Christopher Rants | Center for Rural Affairs | Undecided | GA90 |
| Cynthia Farmer | Center for Rural Affairs | Undecided | GA90 |
| John Cacciatore | Center for Rural Affairs | Undecided | GA90 |
| Jefferson Fink | Coalition for Iowa Woodlands and Trees | Supporting | GA90 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Supporting | GA90 |
| Victoria Sinclair | Coalition for Iowa Woodlands and Trees | Supporting | GA90 |
| Jefferson Fink | Conservation Districts of Iowa | Supporting | GA90 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | GA90 |
| Victoria Sinclair | Conservation Districts of Iowa | Supporting | GA90 |
| Jake Swanson | Genvax Technologies, Inc. | Opposing | GA90 |
| Jake Swanson | Genvax Technologies, Inc. | Supporting | GA90 |
| Jefferson Fink | Hungry Canyons Alliance | Supporting | GA90 |
| Jim Obradovich | Hungry Canyons Alliance | Supporting | GA90 |
| Victoria Sinclair | Hungry Canyons Alliance | Supporting | GA90 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA90 |
| Chloe Gayer | Iowa Association of County Conservation Boards | Undecided | GA90 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA90 |
| David Adelman | Iowa Biotechnology Association | Undecided | GA90 |
| Frank Chiodo | Iowa Biotechnology Association | Undecided | GA90 |
| Matt Hinch | Iowa Biotechnology Association | Undecided | GA90 |
| Paige Thorson | Iowa Biotechnology Association | Undecided | GA90 |
| Sara Allen | Iowa Biotechnology Association | Undecided | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Jillian Carlson | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA90 |
| Tom Chapman | Iowa Catholic Conference | Undecided | GA90 |
| Cora Fox | Iowa Cattlemen's Association | Undecided | GA90 |
| Jake Swanson | Iowa Cattlemen's Association | Undecided | GA90 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Jefferson Fink | Iowa Conservation Alliance | Undecided | GA90 |
| Jim Obradovich | Iowa Conservation Alliance | Undecided | GA90 |
| Victoria Sinclair | Iowa Conservation Alliance | Undecided | GA90 |
| Jeff Smith | Iowa Corn Growers Association | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association | Undecided | GA90 |
| Matt Fitzgerald | Iowa Corn Growers Association | Undecided | GA90 |
| Mindy Poldberg | Iowa Corn Growers Association | Undecided | GA90 |
| Haley Hook | Iowa Department of Agriculture & Land Stewardship | Undecided | GA90 |
| John Torbert | Iowa Drainage District Association | Supporting | GA90 |
| Mona Bond | Iowa Drainage District Association | Supporting | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Jefferson Fink | Iowa Honey Producers Association | Supporting | GA90 |
| Jefferson Fink | Iowa Honey Producers Association | Undecided | GA90 |
| Jim Obradovich | Iowa Honey Producers Association | Supporting | GA90 |
| Jim Obradovich | Iowa Honey Producers Association | Undecided | GA90 |
| Victoria Sinclair | Iowa Honey Producers Association | Supporting | GA90 |
| Victoria Sinclair | Iowa Honey Producers Association | Undecided | GA90 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA90 |
| Chloe Gayer | Iowa Natural Heritage Foundation | Undecided | GA90 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA90 |
| Ben Nuelle | Iowa Pork Producers Association | Undecided | GA90 |
| Jeff Smith | Iowa Pork Producers Association | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Undecided | GA90 |
| Matt Fitzgerald | Iowa Pork Producers Association | Undecided | GA90 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA90 |
| William Peterson | Iowa State Association of Counties | Undecided | GA90 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA90 |
| Jill Altringer | Iowa State Dairy Association | Undecided | GA90 |
| Jill Altringer | Iowa Turkey Federation | Undecided | GA90 |
| Doug Struyk | Iowa Veterinary Medical Association | Undecided | GA90 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Undecided | GA90 |
| Jim Carney | Iowa Veterinary Medical Association | Undecided | GA90 |
| Megan Carlson | Iowa Veterinary Medical Association | Undecided | GA90 |
| Kate Walton | Iowa Wine Growers Association | Undecided | GA90 |
| Madeleine Bradley | Iowa Wine Growers Association | Undecided | GA90 |
| Matt Eide | Iowa Wine Growers Association | Undecided | GA90 |
| Dane Schumann | Izaak Walton League - Iowa Division | Undecided | GA90 |
| Gary Grant | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA90 |
| Larry Murphy | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA90 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA90 |
| Chloe Gayer | League of Women Voters of Iowa | Undecided | GA90 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Amy Campbell | Loess Hills Alliance | Undecided | GA90 |
| Chloe Gayer | Loess Hills Alliance | Undecided | GA90 |
| Craig Patterson | Loess Hills Alliance | Undecided | GA90 |
| Jill Altringer | North Central Poultry Association | Undecided | GA90 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA90 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA90 |
| Emily Piper | Rathbun Regional Water Association | Undecided | GA90 |
| Christopher Rants | State Police Officers Council | Undecided | GA90 |
| John Cacciatore | State Police Officers Council | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |