| Drew Klein | Americans For Prosperity | Supporting | GA86 |
| Drew Kamp | Ames Chamber of Commerce | Opposing | GA86 |
| John Pederson | City of Cedar Falls | Opposing | GA86 |
| Kelly Nuckolls | City of Cedar Falls | Opposing | GA86 |
| Matt Eide | City of Cedar Falls | Opposing | GA86 |
| Gary Grant | City of Cedar Rapids | Opposing | GA86 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA86 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA86 |
| Andrea Woodard | Greater Des Moines Partnership | Opposing | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Opposing | GA86 |
| Joseph Jones | Greater Des Moines Partnership | Opposing | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Opposing | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Opposing | GA86 |
| Jerry Fitzgerald | Greater Fort Dodge Growth Alliance | Opposing | GA86 |
| Maggie Smith-Fitzgerald | Greater Fort Dodge Growth Alliance | Opposing | GA86 |
| Matt Fitzgerald | Greater Fort Dodge Growth Alliance | Opposing | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Opposing | GA86 |
| John Stineman | Iowa Chamber Alliance | Opposing | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Opposing | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Opposing | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA86 |
| John Pederson | Iowa Firefighters Association (IFA) | Opposing | GA86 |
| Kate Walton | Iowa Firefighters Association (IFA) | Opposing | GA86 |
| Kelly Nuckolls | Iowa Firefighters Association (IFA) | Opposing | GA86 |
| Matt Eide | Iowa Firefighters Association (IFA) | Opposing | GA86 |
| Alan Kemp | Iowa League of Cities | Opposing | GA86 |
| Dustin Miller | Iowa League of Cities | Opposing | GA86 |
| Marc Beltrame | Iowa League of Cities | Opposing | GA86 |
| Matt McKinney | Iowa League of Cities | Opposing | GA86 |
| RG Schwarm | Iowa League of Cities | Opposing | GA86 |
| Robert Palmer | Iowa League of Cities | Opposing | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA86 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA86 |
| George Appleby | Iowa State Bar Association | Undecided | GA86 |
| Jennifer Tyler | Iowa State Bar Association | Undecided | GA86 |
| Jim Carney | Iowa State Bar Association | Undecided | GA86 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA86 |
| Brian Johnson | Iowa West Racing Association | Opposing | GA86 |
| Craig Walter | Iowa West Racing Association | Opposing | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA86 |
| Robert Solt | Iowans for Tax Relief | Supporting | 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 |
| David Adelman | Metropolitan Coalition | Undecided | GA86 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA86 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA86 |
| Brian Johnson | Personal Interest-Brian Johnson | Undecided | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Opposing | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Opposing | GA86 |
| Robert Wagner | Siouxland Chamber of Commerce | Opposing | GA86 |
| Gary Grant | Urban County Coalition | Undecided | GA86 |
| Larry Murphy | Urban County Coalition | Undecided | GA86 |
| Meghan Malloy | Urban County Coalition | Undecided | GA86 |