| Jeff Smith | Agribusiness Association of Iowa | Supporting | GA89 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Supporting | GA89 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Supporting | GA89 |
| Elizabeth Van-Holt | American Petroleum Institute | Opposing | GA89 |
| Drew Klein | Americans For Prosperity | Undecided | GA89 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA89 |
| Jon Murphy | Casey's General Stores | Opposing | GA89 |
| Tom Cope | Casey's General Stores | Opposing | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Supporting | GA89 |
| Robert Mulqueen | Coalition for Iowa Woodlands and Trees | Supporting | GA89 |
| Dane Schumann | Dog Daycare Coalition | Undecided | GA89 |
| Marc Beltrame | FUELIowa (PMCI) | Opposing | GA89 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA89 |
| Kelly Meyers | Iowa Cattlemen's Association | Undecided | GA89 |
| Logan Murray | Iowa Cattlemen's Association | Undecided | GA89 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA89 |
| Colin Tadlock | Iowa Department of Agriculture & Land Stewardship | Supporting | GA89 |
| Gary Grant | Iowa Hemp Association | Undecided | GA89 |
| Larry Murphy | Iowa Hemp Association | Undecided | GA89 |
| Meghan Malloy | Iowa Hemp Association | Undecided | GA89 |
| Jim Obradovich | Iowa Honey Producers Association | Supporting | GA89 |
| Robert Mulqueen | Iowa Honey Producers Association | Supporting | GA89 |
| Ben Nuelle | Iowa Pork Producers Association | Supporting | GA89 |
| Jeff Smith | 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) | Undecided | GA89 |
| Jake Ketzner | KWIK Trip, Inc. | Opposing | GA89 |
| Larry Blixt | KWIK Trip, Inc. | Opposing | GA89 |
| Jon Murphy | Koch Companies Public Sector, LLC and Affiliates | Opposing | GA89 |
| Tom Cope | Koch Companies Public Sector, LLC and Affiliates | Opposing | GA89 |
| Christopher Rants | Magellan Midstream Partners | Opposing | GA89 |
| John Cacciatore | Magellan Midstream Partners | Opposing | GA89 |
| Kate Walton | POET, LLC | Undecided | GA89 |
| Madeleine Bradley | POET, LLC | Undecided | GA89 |
| Matt Eide | POET, LLC | Undecided | GA89 |