| Ted Stopulos | Alliant Energy Corporation | Undecided | GA89 |
| Jake Ketzner | Association of Iowa Fairs | Undecided | GA89 |
| Larry Blixt | Association of Iowa Fairs | Undecided | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Gary Grant | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| BRITTANY LUMLEY | Community Bankers of Iowa | Supporting | GA89 |
| Jeffrey Boeyink | Community Bankers of Iowa | Supporting | GA89 |
| Taylor McDonald | Community Bankers of Iowa | Supporting | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Supporting | GA89 |
| Marc Beltrame | FUELIowa (PMCI) | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Supporting | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA89 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Jenica Lensmeyer | Iowa Bankers Association | Supporting | GA89 |
| John Sorensen | Iowa Bankers Association | Supporting | GA89 |
| Mike Rozenboom | Iowa Bankers Association | Supporting | GA89 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Tom Sands | Iowa Taxpayers Association | Undecided | GA89 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA89 |
| Jake Ketzner | KWIK Trip, Inc. | Undecided | GA89 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA89 |
| Dane Schumann | Kemin Industries | Undecided | GA89 |
| BRITTANY LUMLEY | Kent Corporation | Supporting | GA89 |
| Jeffrey Boeyink | Kent Corporation | Supporting | GA89 |
| Taylor McDonald | Kent Corporation | Supporting | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA89 |
| Kate Walton | POET, LLC | Undecided | GA89 |
| Madeleine Bradley | POET, LLC | Undecided | GA89 |
| Matt Eide | POET, LLC | Undecided | GA89 |
| Emily Piper | Piper Sandler | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |