| Brad Epperly | AIG-American International Companies | Undecided | GA90 |
| Dustin Miller | AIG-American International Companies | Undecided | GA90 |
| Courtney Craig | Alliant Energy Corporation | Undecided | GA90 |
| Ted Stopulos | Alliant Energy Corporation | Undecided | GA90 |
| Drew Klein | Americans For Prosperity | Supporting | GA90 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA90 |
| Dane Schumann | Capitol Counsel, PLLC | Undecided | GA90 |
| Doug Struyk | City of Des Moines | Undecided | GA90 |
| Jennifer Dorman | City of Des Moines | Undecided | GA90 |
| Jim Carney | City of Des Moines | Undecided | GA90 |
| Jessica Pollmeier | Credit Union Division | Undecided | GA90 |
| Angela Caulk | Delta Dental of Iowa | Undecided | GA90 |
| Casey Ficek | Delta Dental of Iowa | Undecided | GA90 |
| Kole Pederson | Delta Dental of Iowa | Undecided | GA90 |
| Logan Murray | Delta Dental of Iowa | Undecided | GA90 |
| Noah Tabor | Delta Dental of Iowa | Undecided | GA90 |
| Victoria Sinclair | Goldwater Institute | Supporting | GA90 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| John Hirl | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA90 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA90 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA90 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Mary Braun | Iowa Board of Regents | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA90 |
| Tom Ferguson | Iowa County Attorneys Association | Undecided | GA90 |
| Gracie Brandsgard | Iowa Credit Union League | Undecided | GA90 |
| Justin Hupfer | Iowa Credit Union League | Undecided | GA90 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA90 |
| Dax Oberreuter | Iowa Department of Health and Human Services | Undecided | GA90 |
| Jancy Nielson | Iowa Department of Health and Human Services | Undecided | GA90 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA90 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA90 |
| Chance McElhaney | Iowa Insurance Division | Undecided | GA90 |
| Erika Eckley | Iowa Public Information Board | Undecided | GA90 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA90 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA90 |
| Jim Carney | Iowa State Bar Association | Opposing | GA90 |
| Geri Huser | Iowa Utilities Commission | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Andy Conlin | Iowans for Tax Relief | Supporting | GA90 |
| Chris Hagenow | Iowans for Tax Relief | Supporting | GA90 |
| Jake Highfill | Iowans for Tax Relief | Supporting | GA90 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA90 |
| Victoria Sinclair | Land of the Free Action | Supporting | GA90 |
| David Adelman | MidAmerican Energy Company | Opposing | GA90 |
| Frank Chiodo | MidAmerican Energy Company | Opposing | GA90 |
| Lillie Brady | MidAmerican Energy Company | Opposing | GA90 |
| Matt Hinch | MidAmerican Energy Company | Opposing | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Opposing | GA90 |
| Sara Allen | MidAmerican Energy Company | Opposing | GA90 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA90 |
| Andy Conlin | Opportunity Solutions Project | Supporting | GA90 |
| Kileen Lindgren | Pacific Legal Foundation | Supporting | GA90 |
| Frederick Haskins | Patterson Law Firm LLP | Supporting | GA90 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA90 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA90 |