| Dawn Carlson | Heartland Car Wash Assn. | Supporting | GA84 |
| Kellie Paschke | Heartland Car Wash Assn. | Supporting | GA84 |
| Troy Skinner | Heartland Car Wash Assn. | Supporting | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Kevin Condon | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA84 |
| Daniel Weiser | IA. Collision Repair Assn. | Undecided | GA84 |
| Robert Weiser | IA. Collision Repair Assn. | Undecided | GA84 |
| Charlie Wishman | IA. Federation of Labor, AFL-CIO | Opposing | GA84 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Opposing | GA84 |
| Jim Henter | IA. Retail Federation | Supporting | GA84 |
| Mike Heller | IA. Retail Federation | Undecided | GA84 |
| Paula Feltner | IA. Retail Federation | Undecided | GA84 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Nicole Crain | IA. Taxpayers Assn. | Undecided | GA84 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Supporting | GA84 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Supporting | GA84 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Supporting | GA84 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Supporting | GA84 |