| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA87 |
| Marc Beltrame | Allied Insurance | Supporting | GA87 |
| Matt McKinney | Allied Insurance | Supporting | GA87 |
| RG Schwarm | Allied Insurance | Supporting | GA87 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA87 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA87 |
| Paige Thorson | BNSF Railway Co. | Undecided | GA87 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA87 |
| Marc Beltrame | Conlin Properties | Supporting | GA87 |
| Matt McKinney | Conlin Properties | Supporting | GA87 |
| RG Schwarm | Conlin Properties | Supporting | GA87 |
| Brad Epperly | Eastlake Partnership | Undecided | GA87 |
| Dustin Miller | Eastlake Partnership | Undecided | GA87 |
| Paige Thorson | Eastlake Partnership | Undecided | GA87 |
| Paula Dierenfeld | Eastlake Partnership | Undecided | GA87 |
| Michael Triplett | Greater Iowa Apartment Association | Supporting | GA87 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA87 |
| Angela Davis | Iowa Association for Justice | Undecided | GA87 |
| Bill Wimmer | Iowa Association for Justice | Undecided | GA87 |
| Brad Lint | Iowa Association for Justice | Undecided | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paige Thorson | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA87 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Jim Obradovich | Iowa Shortline and Regional Railroad Association | Supporting | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA87 |
| Mike Heller | Iowa State Police Association | Undecided | GA87 |
| Paula Feltner | Iowa State Police Association | Undecided | GA87 |
| Mark Joyce | Iowa Whitetail Deer Association | Supporting | GA87 |
| Marc Beltrame | Nationwide Agribusiness | Supporting | GA87 |
| Matt McKinney | Nationwide Agribusiness | Supporting | GA87 |
| RG Schwarm | Nationwide Agribusiness | Supporting | GA87 |
| Marc Beltrame | Nationwide Mutual Ins. Co. | Supporting | GA87 |
| Matt McKinney | Nationwide Mutual Ins. Co. | Supporting | GA87 |
| RG Schwarm | Nationwide Mutual Ins. Co. | Supporting | GA87 |
| Frederick Haskins | Patterson Law Firm LLP | Undecided | GA87 |
| Frederick Haskins | Patterson Law Firm LLP | Supporting | GA87 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA87 |