| Brad Epperly | AIG-American International Companies | Undecided | GA90 |
| Dustin Miller | AIG-American International Companies | Undecided | GA90 |
| Ashley Hayek | America First Works | Supporting | GA90 |
| Kate Walton | Area Education Agencies of Iowa | Undecided | GA90 |
| Madeleine Bradley | Area Education Agencies of Iowa | Undecided | GA90 |
| Matt Eide | Area Education Agencies of Iowa | 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 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Kate Walton | City of Bettendorf | Undecided | GA90 |
| Madeleine Bradley | City of Bettendorf | Undecided | GA90 |
| Matt Eide | City of Bettendorf | Undecided | GA90 |
| Kent Keene | Congressional Sportsmen's Foundation | Supporting | GA90 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA90 |
| Angela Caulk | Delta Dental of Iowa | Undecided | GA90 |
| Casey Ficek | Delta Dental of Iowa | Undecided | GA90 |
| Logan Murray | Delta Dental of Iowa | Undecided | GA90 |
| Noah Tabor | Delta Dental of Iowa | Undecided | GA90 |
| John Hirl | FUELIowa (PMCI) | Undecided | GA90 |
| Marc Beltrame | FUELIowa (PMCI) | Undecided | GA90 |
| Patrick Purtill | Faith & Freedom Coalition | Supporting | 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 |
| 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 |
| 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 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA90 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA90 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA90 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA90 |
| Jenica Lensmeyer | Iowa Bankers Association | Undecided | GA90 |
| John Sorensen | Iowa Bankers Association | Undecided | GA90 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA90 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA90 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | 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 |
| Joe Murphy | Iowa Business Council | Undecided | GA90 |
| James Kersten | Iowa Central Community College | 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 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA90 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | 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 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA90 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA90 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA90 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA90 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA90 |
| Morgan Miller | Iowa State Education Association | Undecided | GA90 |
| Jake Ketzner | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Marc Beltrame | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Stacie Maass | Iowa Total Care, A Subsidiary of Centene Corporation | Undecided | GA90 |
| Geri Huser | Iowa Utilities Commission | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA90 |
| Dane Schumann | Kemin Industries | 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 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Undecided | GA90 |
| Scott Jones | National Rifle Association of America | Supporting | 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 |
| Sydney Gangestad | Principal Financial Group | Undecided | GA90 |
| Tim Coonan | Principal Financial Group | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA90 |
| Dave Daughton | School Administrators of Iowa | Undecided | 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 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | 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 |