| Jeff Smith | Agribusiness Association of Iowa | Undecided | GA91 |
| Jeff Smith | Agribusiness Association of Iowa | Supporting | GA91 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA91 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Supporting | GA91 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Undecided | GA91 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Supporting | GA91 |
| Eric Goranson | Ames Regional Economic Alliance | Supporting | GA91 |
| Jill Altringer | Ames Regional Economic Alliance | Supporting | GA91 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA91 |
| Casey Nickel | BNSF Railway Co. | Undecided | GA91 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA91 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA91 |
| Casey Nickel | Bayer U.S. LLC | Undecided | GA91 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Christopher Rants | Center for Rural Affairs | Supporting | GA91 |
| Cynthia Farmer | Center for Rural Affairs | Supporting | GA91 |
| Jake Friedrichsen | Center for Rural Affairs | Supporting | GA91 |
| Nathan Mueller | County Planning and Zoning Officials of Iowa | Undecided | GA91 |
| Luke Elzinga | Des Moines Area Religious Council | Undecided | GA91 |
| Justin Hupfer | Farm Credit Service of America | Undecided | GA91 |
| Madison Grady | Farm Credit Service of America | Undecided | GA91 |
| Andrew Mertens | Iowa Association for Justice | Opposing | GA91 |
| Kellie Paschke | Iowa Association for Justice | Opposing | GA91 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA91 |
| Doug Struyk | Iowa Biodiesel Board | Supporting | GA91 |
| Jennifer Dorman | Iowa Biodiesel Board | Supporting | GA91 |
| Jim Carney | Iowa Biodiesel Board | Supporting | GA91 |
| Jake Swanson | Iowa Cattlemen's Association | Supporting | GA91 |
| Kelli Wicks | Iowa Cattlemen's Association | Supporting | GA91 |
| Ian Latham | Iowa Corn Growers Association | Supporting | GA91 |
| Jeff Smith | Iowa Corn Growers Association | Supporting | GA91 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association | Supporting | GA91 |
| Matt Fitzgerald | Iowa Corn Growers Association | Supporting | GA91 |
| Nathan Hohnstein | Iowa Corn Growers Association | Supporting | GA91 |
| Haley Hook | Iowa Department of Agriculture & Land Stewardship | Supporting | GA91 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA91 |
| Catherine Pollard | Iowa Farmers Union | Undecided | GA91 |
| Threase Harms | Iowa Farmers Union | Undecided | GA91 |
| Deanna Triplett | Iowa Finance Authority | Undecided | GA91 |
| Phil Jeneary | Iowa Food Bank Association | Undecided | GA91 |
| Jefferson Fink | Iowa Honey Producers Association | Supporting | GA91 |
| Jim Obradovich | Iowa Honey Producers Association | Supporting | GA91 |
| Megan Carlson | Iowa Institute for Cooperatives | Supporting | GA91 |
| David Adelman | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA91 |
| Frank Chiodo | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA91 |
| Matt Hinch | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA91 |
| Paige Thorson | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA91 |
| Sara Allen | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA91 |
| Jefferson Fink | Iowa Nut Growers Association | Supporting | GA91 |
| Jim Obradovich | Iowa Nut Growers Association | Supporting | GA91 |
| Harrison Furlow | Iowa Pork Producers Association | Supporting | GA91 |
| Jeff Smith | Iowa Pork Producers Association | Supporting | GA91 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Supporting | GA91 |
| Matt Fitzgerald | Iowa Pork Producers Association | Supporting | GA91 |
| Colin Gorton | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| David Adelman | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Frank Chiodo | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Matt Hinch | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Paige Thorson | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Sara Allen | Iowa Renewable Fuels Association (IRF) | Supporting | GA91 |
| Doug Struyk | Iowa Soybean Association | Supporting | GA91 |
| Jennifer Dorman | Iowa Soybean Association | Supporting | GA91 |
| Jim Carney | Iowa Soybean Association | Supporting | GA91 |
| Katie Hall | Iowa Soybean Association | Supporting | GA91 |
| Megan Decker | Iowa Soybean Association | Supporting | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Beth Manley | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of County Supervisors | Undecided | GA91 |
| Beth Manley | Iowa State Association of County Supervisors | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA91 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA91 |
| Jim Carney | Iowa State Bar Association | Supporting | GA91 |
| Eric Goranson | Iowa State Dairy Association | Supporting | GA91 |
| Jill Altringer | Iowa State Dairy Association | Supporting | GA91 |
| Eric Goranson | Iowa Turkey Federation | Supporting | GA91 |
| Jill Altringer | Iowa Turkey Federation | Supporting | GA91 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA91 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA91 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA91 |
| Amy Campbell | Lutheran Services in IA, Inc. | Supporting | GA91 |
| Craig Patterson | Lutheran Services in IA, Inc. | Supporting | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Opposing | GA91 |
| Eric Goranson | North Central Poultry Association | Supporting | GA91 |
| Jill Altringer | North Central Poultry Association | Supporting | GA91 |
| Robert Andeweg | The Marzetti Company | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |