| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Gary Grant | City of Cedar Rapids | Opposing | GA87 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA87 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA87 |
| Brad Epperly | Eastlake Partnership | Undecided | GA87 |
| Dustin Miller | Eastlake Partnership | Undecided | GA87 |
| Paige Thorson | Eastlake Partnership | Undecided | GA87 |
| Paula Dierenfeld | Eastlake Partnership | Undecided | GA87 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Paige Thorson | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| R. Bruce Beeston | HOA Reform Coaltion | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA87 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA87 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA87 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA87 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Opposing | GA87 |
| Gary Grant | Urban County Coalition | Opposing | GA87 |
| Larry Murphy | Urban County Coalition | Opposing | GA87 |
| Meghan Malloy | Urban County Coalition | Opposing | GA87 |