| Steven Van Steenhuyse | American Planning Association Iowa Chapter | Opposing | GA88 |
| Mark Joyce | Bellino Fireworks, Inc. | Supporting | GA88 |
| Dane Schumann | Brain Injury Alliance of Iowa | Undecided | GA88 |
| Maddie Wilcox | Brain Injury Alliance of Iowa | Undecided | GA88 |
| Threase Harms | Brain Injury Alliance of Iowa | Undecided | GA88 |
| Kate Walton | City of Cedar Falls | Undecided | GA88 |
| Matt Eide | City of Cedar Falls | Undecided | GA88 |
| Gary Grant | City of Cedar Rapids | Undecided | GA88 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA88 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA88 |
| Alex Hassel | City of Des Moines | Opposing | GA88 |
| Doug Struyk | City of Des Moines | Opposing | GA88 |
| Jen Schulte | City of Des Moines | Opposing | GA88 |
| Jennifer Dorman | City of Des Moines | Opposing | GA88 |
| Jim Carney | City of Des Moines | Opposing | GA88 |
| Doug Struyk | City of Iowa City | Opposing | GA88 |
| Jennifer Dorman | City of Iowa City | Opposing | GA88 |
| Jim Carney | City of Iowa City | Opposing | GA88 |
| Julie Smith | City of West Des Moines | Opposing | GA88 |
| Sydney Gangestad | City of West Des Moines | Opposing | GA88 |
| Tim Coonan | City of West Des Moines | Opposing | GA88 |
| Doug Struyk | Clout Public Affairs | Undecided | GA88 |
| Jennifer Dorman | Clout Public Affairs | Undecided | GA88 |
| Jim Carney | Clout Public Affairs | Undecided | GA88 |
| Joseph Buffington | County Planning and Zoning Officials of Iowa | Opposing | GA88 |
| Jim Obradovich | County Zoning Officials Organiztion | Opposing | GA88 |
| Pete McRoberts | County Zoning Officials Organiztion | Opposing | GA88 |
| Robert Mulqueen | County Zoning Officials Organiztion | Opposing | GA88 |
| Bob Rafferty | Epilepsy Foundation Iowa | Undecided | GA88 |
| Dane Schumann | Epilepsy Foundation Iowa | Undecided | GA88 |
| Maddie Wilcox | Epilepsy Foundation Iowa | Undecided | GA88 |
| Threase Harms | Epilepsy Foundation Iowa | Undecided | GA88 |
| Dawn Carlson | FUELIowa (PMCI) | Undecided | GA88 |
| Kellie Paschke | FUELIowa (PMCI) | Undecided | GA88 |
| Troy Skinner | FUELIowa (PMCI) | Undecided | GA88 |
| Dane Schumann | Grow Clinton County | Opposing | GA88 |
| Maddie Wilcox | Grow Clinton County | Opposing | GA88 |
| Maddie Wilcox | Grow Clinton County | Undecided | GA88 |
| Threase Harms | Grow Clinton County | Opposing | GA88 |
| Threase Harms | Grow Clinton County | Undecided | GA88 |
| R. Bruce Beeston | HOA Reform Coaltion | Opposing | GA88 |
| Jim Obradovich | Iowa Association of Building Officials | Opposing | GA88 |
| Pete McRoberts | Iowa Association of Building Officials | Opposing | GA88 |
| Dane Schumann | Iowa Emergency Management Association | Opposing | GA88 |
| Maddie Wilcox | Iowa Emergency Management Association | Undecided | GA88 |
| Maddie Wilcox | Iowa Emergency Management Association | Opposing | GA88 |
| Robert Szalay | Iowa Emergency Management Association | Undecided | GA88 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA88 |
| Threase Harms | Iowa Emergency Management Association | Opposing | GA88 |
| Jim Obradovich | Iowa Environmental Health Association | Opposing | GA88 |
| Pete McRoberts | Iowa Environmental Health Association | Opposing | GA88 |
| Robert Mulqueen | Iowa Environmental Health Association | Opposing | GA88 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA88 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA88 |
| Katie Graham | Iowa Grocery Industry Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Opposing | GA88 |
| Daniel Stalder | Iowa League of Cities | Opposing | GA88 |
| Robert Palmer | Iowa League of Cities | Opposing | GA88 |
| Jim Obradovich | Iowa Nurses Association | Opposing | GA88 |
| Pete McRoberts | Iowa Nurses Association | Opposing | GA88 |
| Robert Mulqueen | Iowa Nurses Association | Opposing | GA88 |
| John Cacciatore | Iowa Professional Fire Fighters | Opposing | GA88 |
| Lon Anderson | Iowa Professional Fire Fighters | Opposing | GA88 |
| Jim Henter | Iowa Retail Federation | Supporting | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA88 |
| William Peterson | Iowa State Association of Counties | Opposing | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Opposing | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Opposing | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Kate Walton | POET, LLC | Undecided | GA88 |
| Matt Eide | POET, LLC | Undecided | GA88 |
| Kelly Meyers | Phantom Fireworks Showrooms LLC | Supporting | GA88 |
| Susan Cameron Daemen | Phantom Fireworks Showrooms LLC | Supporting | GA88 |
| Dane Schumann | Prevent Blindness Iowa | Opposing | GA88 |
| Maddie Wilcox | Prevent Blindness Iowa | Undecided | GA88 |
| Maddie Wilcox | Prevent Blindness Iowa | Opposing | GA88 |
| Threase Harms | Prevent Blindness Iowa | Undecided | GA88 |
| Threase Harms | Prevent Blindness Iowa | Opposing | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |
| R. Bruce Beeston | Veterans National Recovery Center | Opposing | GA88 |