| Drew Kamp | Ames Chamber of Commerce | Supporting | GA86 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA86 |
| Gary Grant | City of Cedar Rapids | Supporting | GA86 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA86 |
| Meghan Malloy | City of Cedar Rapids | Supporting | GA86 |
| Jeffrey Boeyink | Des Moines Golf and Country Club | Supporting | GA86 |
| Susan Fenton | Des Moines Golf and Country Club | Supporting | GA86 |
| Dane Schumann | Friends of Cedar Lake | Supporting | GA86 |
| Emily Hockins | Friends of Cedar Lake | Supporting | GA86 |
| Threase Harms | Friends of Cedar Lake | Supporting | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Supporting | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Supporting | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Supporting | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Brice Oakley | Iowa Association of Regional Councils (IARC) | Supporting | GA86 |
| Don Avenson | Iowa Association of Regional Councils (IARC) | Supporting | GA86 |
| Tom Cope | Iowa Association of Regional Councils (IARC) | Supporting | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA86 |
| John Stineman | Iowa Chamber Alliance | Supporting | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Supporting | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Supporting | GA86 |
| Brice Oakley | Iowa Chapter, American Society of Landscape Architects | Supporting | GA86 |
| Don Avenson | Iowa Chapter, American Society of Landscape Architects | Supporting | GA86 |
| Tom Cope | Iowa Chapter, American Society of Landscape Architects | Supporting | GA86 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Undecided | GA86 |
| Jennifer Klein | Iowa Economic Development Authority | Undecided | GA86 |
| Kristin Hanks-Bents | Iowa Economic Development Authority | Undecided | GA86 |
| Susan Fenton | Iowa Great Lakes Association | Supporting | GA86 |
| Dustin Miller | Iowa League of Cities | Supporting | GA86 |
| Robert Palmer | Iowa League of Cities | Supporting | GA86 |
| Dane Schumann | Iowa Rivers Revival | Undecided | GA86 |
| Emily Hockins | Iowa Rivers Revival | Undecided | GA86 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA86 |
| Jeffrey Boeyink | Iowa Speedway, LLC | Supporting | GA86 |
| Larry Blixt | Iowa Speedway, LLC | Supporting | GA86 |
| Mark Joyce | Iowa Speedway, LLC | Supporting | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA86 |
| William Peterson | Iowa State Association of Counties | Supporting | GA86 |
| Brian Johnson | Iowa West Racing Association | Supporting | GA86 |
| Craig Walter | Iowa West Racing Association | Supporting | GA86 |
| John Pederson | Iowa West Racing Association | Supporting | GA86 |
| Kelly Nuckolls | Iowa West Racing Association | Supporting | GA86 |
| Matt Eide | Iowa West Racing Association | Supporting | GA86 |
| Dane Schumann | Knoxville Raceway | Supporting | GA86 |
| Emily Hockins | Knoxville Raceway | Supporting | GA86 |
| Threase Harms | Knoxville Raceway | Supporting | GA86 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA86 |
| Lyle Krewson | Lutheran Services in IA, Inc. | Undecided | GA86 |
| David Adelman | Metropolitan Coalition | Supporting | GA86 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA86 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA86 |
| Gary Grant | Prospect Meadows, Inc. | Supporting | GA86 |
| Larry Murphy | Prospect Meadows, Inc. | Supporting | GA86 |
| Meghan Malloy | Prospect Meadows, Inc. | Supporting | GA86 |
| David Adelman | Team Iowa | Supporting | GA86 |
| Frank Chiodo | Team Iowa | Supporting | GA86 |
| Matt Hinch | Team Iowa | Supporting | GA86 |
| Mark Joyce | Technology Association of Iowa | Supporting | 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 |
| Shannon Henson | The Nature Conservancy | Undecided | GA86 |
| Amy Campbell | Travel Federation of Iowa | Supporting | GA86 |
| Craig Patterson | Travel Federation of Iowa | Supporting | GA86 |
| Dane Schumann | YMCA State Alliance | Supporting | GA86 |
| Emily Hockins | YMCA State Alliance | Supporting | GA86 |
| Threase Harms | YMCA State Alliance | Supporting | GA86 |