| Marcia Nichols | AFSCME IA Council 61 | Undecided | GA83 |
| Mitchell Stille | AFSCME IA Council 61 | Undecided | GA83 |
| Brad Epperly | Deere & Company | Undecided | GA83 |
| James West | Deere & Company | Undecided | GA83 |
| Keith Luchtel | Deere & Company | Undecided | GA83 |
| Paula Dierenfeld | Deere & Company | Undecided | GA83 |
| Scott Sundstrom | Deere & Company | Undecided | GA83 |
| Brad Epperly | Federation of IA Insurers | Undecided | GA83 |
| James West | Federation of IA Insurers | Undecided | GA83 |
| Paula Dierenfeld | Federation of IA Insurers | Undecided | GA83 |
| Scott Sundstrom | Federation of IA Insurers | Undecided | GA83 |
| Dave Parker | Great Plains Laborers District Council | Supporting | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| James West | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA83 |
| James West | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Brad Epperly | IA. Broadcasters Assn. | Undecided | GA83 |
| James West | IA. Broadcasters Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Broadcasters Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Broadcasters Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Broadcasters Assn. | Undecided | GA83 |
| Rachel Scott | IA. Dept. of Human Rights | Supporting | GA83 |
| Janice Laue | IA. Federation of Labor, AFL-CIO | Supporting | GA83 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Supporting | GA83 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA83 |
| James West | IA. Grocery Industry Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA83 |
| Brad Epperly | IA. Newspaper Assn. | Undecided | GA83 |
| James West | IA. Newspaper Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Newspaper Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Newspaper Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Newspaper Assn. | Undecided | GA83 |
| Brad Epperly | IA. Propane Gas Assn. | Undecided | GA83 |
| James West | IA. Propane Gas Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Propane Gas Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Propane Gas Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Propane Gas Assn. | Undecided | GA83 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA83 |
| James West | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Lisa Purvis | IA. Veterans Home (IVH) | Undecided | GA83 |
| Joe Mowers | IA. Workforce Development | Supporting | GA83 |
| Brad Epperly | Monsanto Company | Undecided | GA83 |
| James West | Monsanto Company | Undecided | GA83 |
| Keith Luchtel | Monsanto Company | Undecided | GA83 |
| Scott Sundstrom | Monsanto Company | Undecided | GA83 |
| Andy Warren | National Federation of Independent Business (NFIB /IA) | Opposing | GA83 |
| Frank Stork | Wellmark, Inc. | Undecided | GA83 |