| Drew Kamp | Ames Chamber of Commerce | Supporting | GA86 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA86 |
| Gary Grant | City of Cedar Rapids | Undecided | GA86 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA86 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA86 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA86 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA86 |
| Matt Fitzgerald | City of Des Moines | Undecided | GA86 |
| Brice Oakley | City of West Des Moines | Undecided | GA86 |
| Don Avenson | City of West Des Moines | Undecided | GA86 |
| Tom Cope | City of West Des Moines | Undecided | GA86 |
| Jake Ketzner | Governor's Office | Supporting | GA86 |
| Mark Foster | Greater Burlington Partnership | Supporting | GA86 |
| Andrea Woodard | Greater Des Moines Partnership | Supporting | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Supporting | GA86 |
| Joseph Jones | Greater Des Moines Partnership | Supporting | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Supporting | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Supporting | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA86 |
| John Stineman | Iowa Chamber Alliance | Supporting | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Supporting | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Supporting | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA86 |
| Dave Duncan | Iowa Communications Alliance | Undecided | GA86 |
| Kevin Condon | Iowa Communications Alliance | Withdrawn | GA86 |
| Kevin Condon | Iowa Communications Alliance | Undecided | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Chris Kramer | Iowa Dept. of Cultural Affairs | Supporting | GA86 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Supporting | GA86 |
| Mikel Derby | Iowa Dept. of Transportation | Undecided | GA86 |
| Timothy Whipple | Iowa Economic Development Authority | Supporting | GA86 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA86 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Jake Oeth | Iowa Rivers Revival | Supporting | GA86 |
| Kent Hartwig | Iowa Rivers Revival | Supporting | GA86 |
| Threase Harms | Iowa Rivers Revival | Supporting | GA86 |
| Jeffrey Boeyink | Iowa Speedway, LLC | Undecided | GA86 |
| Larry Blixt | Iowa Speedway, LLC | Undecided | GA86 |
| Mike Heller | Iowa State Snowmobile Association | Undecided | GA86 |
| Paula Feltner | Iowa State Snowmobile Association | Undecided | GA86 |
| David Schrader | Knoxville Raceway | Undecided | GA86 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA86 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA86 |
| David Adelman | Metropolitan Coalition | Undecided | GA86 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA86 |
| Bob Rafferty | Newbury Management Company | Supporting | GA86 |
| John Schmaltz | North Iowa Area Community College | Undecided | GA86 |
| John Pederson | Okoboji Tourism Committee | Undecided | GA86 |
| Laura Book | Okoboji Tourism Committee | Undecided | GA86 |
| Matt Eide | Okoboji Tourism Committee | Undecided | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA86 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Gary Grant | Prospect Meadows, Inc. | Undecided | GA86 |
| Larry Murphy | Prospect Meadows, Inc. | Undecided | GA86 |
| David Adelman | Team Iowa | Undecided | GA86 |
| Doug Struyk | The Nature Conservancy | Undecided | GA86 |
| George Appleby | The Nature Conservancy | Undecided | GA86 |
| Jennifer Tyler | The Nature Conservancy | Undecided | GA86 |
| Jim Carney | The Nature Conservancy | Undecided | GA86 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA86 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA86 |
| Gary Grant | Urban County Coalition | Undecided | GA86 |
| Larry Murphy | Urban County Coalition | Undecided | GA86 |
| Meghan Malloy | Urban County Coalition | Undecided | GA86 |