| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA86 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA86 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA86 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA86 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA86 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA86 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA86 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA86 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA86 |
| Brice Oakley | Casey's General Stores | Undecided | GA86 |
| Don Avenson | Casey's General Stores | Undecided | GA86 |
| Tom Cope | Casey's General Stores | Undecided | GA86 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Supporting | GA86 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | GA86 |
| Dane Schumann | Des Moines Water Works | Undecided | GA86 |
| Emily Hockins | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | Undecided | GA86 |
| Dane Schumann | Easter Seals Iowa | Supporting | GA86 |
| Emily Hockins | Easter Seals Iowa | Supporting | GA86 |
| Threase Harms | Easter Seals Iowa | Supporting | GA86 |
| Jim Obradovich | Hungry Canyons Alliance | Supporting | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Brice Oakley | Iowa Bowhunters Association | Undecided | GA86 |
| Don Avenson | Iowa Bowhunters Association | Undecided | GA86 |
| Tom Cope | Iowa Bowhunters Association | Undecided | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Matt Gronewald | Iowa Dept. of Agriculture | Undecided | GA86 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Supporting | GA86 |
| Doug Struyk | Iowa Drainage District Association | Undecided | GA86 |
| George Appleby | Iowa Drainage District Association | Undecided | GA86 |
| Jennifer Tyler | Iowa Drainage District Association | Undecided | GA86 |
| Jim Carney | Iowa Drainage District Association | Undecided | GA86 |
| John Torbert | Iowa Drainage District Association | Undecided | GA86 |
| John Torbert | Iowa Drainage District Association | Supporting | GA86 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA86 |
| Mona Bond | Iowa Drainage District Association | Supporting | GA86 |
| Shannon Henson | Iowa Drainage District Association | Undecided | GA86 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA86 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA86 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |
| John Pederson | Iowa Harness Horsemen's Association | Undecided | GA86 |
| Kelly Nuckolls | Iowa Harness Horsemen's Association | Undecided | GA86 |
| Matt Eide | Iowa Harness Horsemen's Association | Undecided | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Dane Schumann | Iowa Rivers Revival | Undecided | GA86 |
| Emily Hockins | Iowa Rivers Revival | Undecided | GA86 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA86 |
| Jill Altringer | Iowa Soybean Association | Supporting | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| Mike Heller | Iowa State Snowmobile Association | Undecided | GA86 |
| Paula Feltner | Iowa State Snowmobile Association | Undecided | GA86 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA86 |
| George Appleby | Iowa Veterinary Medical Association | Supporting | GA86 |
| Jennifer Tyler | Iowa Veterinary Medical Association | Supporting | GA86 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA86 |
| Shannon Henson | Iowa Veterinary Medical Association | Supporting | GA86 |
| John Pederson | Iowa Wine Growers Association | Undecided | GA86 |
| Kelly Nuckolls | Iowa Wine Growers Association | Undecided | GA86 |
| Matt Eide | Iowa Wine Growers Association | Undecided | GA86 |
| Gary Grant | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA86 |
| Larry Murphy | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA86 |
| Meghan Malloy | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA86 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA86 |
| Brad Epperly | Monsanto Company | Undecided | GA86 |
| Scott Sundstrom | Monsanto Company | Undecided | GA86 |
| John Pederson | POET, LLC | Undecided | GA86 |
| Kelly Nuckolls | POET, LLC | Undecided | GA86 |
| Matt Eide | POET, LLC | Undecided | GA86 |
| Anthony Colosimo | Phoenix Renewable Resources | Supporting | GA86 |
| Christopher Rants | State Police Officers Council | Undecided | GA86 |
| John Cacciatore | State Police Officers Council | Undecided | GA86 |
| Doug Struyk | The Nature Conservancy | Undecided | GA86 |
| George Appleby | The Nature Conservancy | Undecided | GA86 |
| Jennifer Tyler | The Nature Conservancy | Undecided | GA86 |
| Jim Carney | The Nature Conservancy | Undecided | GA86 |
| Shannon Henson | The Nature Conservancy | Undecided | GA86 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA86 |
| Kelly Nuckolls | Tyson Foods, Inc. | Undecided | GA86 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA86 |