| Larry Murphy | Agribusiness Assn. of IA | Undecided | GA83 |
| Larry Murphy | Agribusiness Assn. of IA | Supporting | GA83 |
| Kimberly Haus | Animal Rescue League of IA | Supporting | GA83 |
| John Pederson | Humane Society | Supporting | GA83 |
| Kimberly Haus | Humane Society | Supporting | GA83 |
| Matt Eide | Humane Society | Supporting | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Supporting | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Supporting | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Supporting | GA83 |
| Bruce Berven | IA. Cattlemen's Assn. | Opposing | GA83 |
| Amber Markham | IA. Farm Bureau Federation | Undecided | GA83 |
| Joe Johnson | IA. Farm Bureau Federation | Undecided | GA83 |
| Mark Salvador | IA. Farm Bureau Federation | Undecided | GA83 |
| Jill Altringer | IA. Federation of Animal Owners | Opposing | GA83 |
| Kimberly Haus | IA. Federation of Humane Societies | Supporting | GA83 |
| Brice Oakley | IA. Greyhound Breeders Assn. | Undecided | GA83 |
| Don Avenson | IA. Greyhound Breeders Assn. | Undecided | GA83 |
| Tom Cope | IA. Greyhound Breeders Assn. | Undecided | GA83 |
| Kevin Vinchattle | IA. Poultry Assn. | Opposing | GA83 |
| Laverne Schroeder | IA. Sportsman Members | Opposing | GA83 |
| Laverne Schroeder | IA. Sportsman Members | Undecided | GA83 |
| George Appleby | IA. Veterinary Medical Assn. | Undecided | GA83 |
| Jennifer Tyler | IA. Veterinary Medical Assn. | Undecided | GA83 |
| Jim Carney | IA. Veterinary Medical Assn. | Undecided | GA83 |
| Jerry Fitzgerald | IA. White Tail Deer Assn. | Undecided | GA83 |
| Maggie Smith-Fitzgerald | IA. White Tail Deer Assn. | Undecided | GA83 |
| Mark Joyce | IA. White Tail Deer Assn. | Undecided | GA83 |
| Brad Epperly | Monsanto Company | Undecided | GA83 |
| James West | Monsanto Company | Undecided | GA83 |
| Keith Luchtel | Monsanto Company | Undecided | GA83 |
| Paula Dierenfeld | Monsanto Company | Undecided | GA83 |
| Scott Sundstrom | Monsanto Company | Undecided | GA83 |
| Andy Warren | National Federation of Independent Business (NFIB /IA) | Opposing | GA83 |