| Brad Epperly | AIG-American International Companies | Undecided | GA90 |
| Dustin Miller | AIG-American International Companies | Undecided | GA90 |
| Brad Epperly | Ames Regional Economic Alliance | Undecided | GA90 |
| Dustin Miller | Ames Regional Economic Alliance | Undecided | GA90 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA90 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA90 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA90 |
| Casey Ficek | Delta Dental of Iowa | Undecided | GA90 |
| Luke Elzinga | Des Moines Area Religious Council | Undecided | GA90 |
| Gracie Brandsgard | Farm Credit Service of America | Undecided | GA90 |
| Justin Hupfer | Farm Credit Service of America | Undecided | GA90 |
| Lee Henderson | Federation of Iowa Insurers | Undecided | GA90 |
| Matt McKinney | Federation of Iowa Insurers | Undecided | GA90 |
| Paige Thorson | Federation of Iowa Insurers | Undecided | GA90 |
| RG Schwarm | Federation of Iowa Insurers | Undecided | GA90 |
| Molly Severn | Governor's Office | Supporting | GA90 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA90 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA90 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA90 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Catherine Segalo | Heritage Action for America | Undecided | GA90 |
| Eli Huber | Heritage Action for America | Undecided | GA90 |
| Shawna Lode | IPERS | Supporting | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Hirl | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA90 |
| Michelle Johnson | Iowa Association of School Boards | 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 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA90 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA90 |
| Gracie Brandsgard | Iowa Credit Union League | Undecided | GA90 |
| Justin Hupfer | Iowa Credit Union League | Undecided | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA90 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA90 |
| William Peterson | Iowa State Association of Counties | Undecided | GA90 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA90 |
| Morgan Miller | Iowa State Education Association | Undecided | GA90 |
| Ed Failor | Iowa State Treasurer's Office | Supporting | GA90 |
| Molly Widen | Iowa State Treasurer's Office | Supporting | GA90 |
| Geri Huser | Iowa Utilities Commission | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Chris Hagenow | Iowans for Tax Relief | Supporting | GA90 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA90 |
| Dane Schumann | Kemin Industries | Undecided | GA90 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA90 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA90 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Undecided | GA90 |
| Dane Schumann | MedPharm Iowa | Undecided | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA90 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA90 |
| Kate Walton | Missouri River Energy Services | Undecided | GA90 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA90 |
| Matt Eide | Missouri River Energy Services | Undecided | GA90 |
| BriAnna Nystrom | Municipal Fire & Police Retirement System of Iowa (MFPRSI) | Undecided | GA90 |
| Carlton Chin | Municipal Fire & Police Retirement System of Iowa (MFPRSI) | Undecided | GA90 |
| Dan Cassady | Municipal Fire & Police Retirement System of Iowa (MFPRSI) | Undecided | GA90 |
| RG Schwarm | Municipal Fire & Police Retirement System of Iowa (MFPRSI) | Undecided | GA90 |
| Christopher Lee | National Shooting Sports Foundation, Inc. | Supporting | GA90 |
| Jake Highfill | National Shooting Sports Foundation, Inc. | Supporting | GA90 |
| Tony Phillips | National Shooting Sports Foundation, Inc. | Supporting | GA90 |
| Andy Conlin | Opportunity Solutions Project | Supporting | GA90 |
| Mark Joyce | Teachers Insurance and Annuity Association (TIAA) | Undecided | GA90 |
| Chuck Hurley | The Family Leader | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Rebekah Oleson | The Family Leader | Supporting | GA90 |
| Ryan Benn | The Family Leader | Supporting | GA90 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA90 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA90 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |
| Matt Hinch | Voya Financial | Undecided | GA90 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA90 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA90 |
| Doug Struyk | Wells Fargo & Company | Undecided | GA90 |
| Doug Struyk | Wells Fargo & Company | Withdrawn | GA90 |
| Doug Struyk | Wells Fargo & Company | Opposing | GA90 |
| Jennifer Dorman | Wells Fargo & Company | Undecided | GA90 |
| Jennifer Dorman | Wells Fargo & Company | Withdrawn | GA90 |
| Jennifer Dorman | Wells Fargo & Company | Opposing | GA90 |
| Jim Carney | Wells Fargo & Company | Undecided | GA90 |
| Jim Carney | Wells Fargo & Company | Withdrawn | GA90 |
| Jim Carney | Wells Fargo & Company | Opposing | GA90 |