| Nicole Woodroffe | 3M Government Affairs | Undecided | GA85 |
| Robert Weiser | 3M Government Affairs | Undecided | GA85 |
| Kellie Paschke | Cosmetologists and Barbers of Iowa | Undecided | GA85 |
| Lindsay Phillips | Cosmetologists and Barbers of Iowa | Undecided | GA85 |
| Troy Skinner | Cosmetologists and Barbers of Iowa | Undecided | GA85 |
| Kellie Paschke | Heartland Car Wash Association | Undecided | GA85 |
| Lindsay Phillips | Heartland Car Wash Association | Undecided | GA85 |
| Troy Skinner | Heartland Car Wash Association | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA85 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA85 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| David Goodner | Iowa Citizens for Community Improvement Action Fund | Undecided | GA85 |
| Mike Heller | Iowa Retail Federation | Undecided | GA85 |
| Paula Feltner | Iowa Retail Federation | Undecided | GA85 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| Mike Heller | Iowa Wholesale Beer Distributors Association | Undecided | GA85 |
| Paula Feltner | Iowa Wholesale Beer Distributors Association | Undecided | GA85 |
| Ernie Adkison | Iowans for Tax Relief | Opposing | GA85 |
| Lindsay McQuarry | Iowans for Tax Relief | Opposing | GA85 |
| Robert Solt | Iowans for Tax Relief | Opposing | GA85 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA85 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Lindsay Phillips | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Doug Struyk | The Nature Conservancy | Undecided | GA85 |
| George Appleby | The Nature Conservancy | Undecided | GA85 |
| Jennifer Tyler | The Nature Conservancy | Undecided | GA85 |
| Jim Carney | The Nature Conservancy | Undecided | GA85 |