| Collin Brecher | American Chemistry Council | Opposing | GA90 |
| David Adelman | American Chemistry Council | Opposing | GA90 |
| Frank Chiodo | American Chemistry Council | Opposing | GA90 |
| Matt Hinch | American Chemistry Council | Opposing | GA90 |
| Paige Thorson | American Chemistry Council | Opposing | GA90 |
| Sara Allen | American Chemistry Council | Opposing | GA90 |
| Scott Newhard | American Chemistry Council | Opposing | GA90 |
| Doug Struyk | City of Waukee | Supporting | GA90 |
| Jennifer Dorman | City of Waukee | Supporting | GA90 |
| Jim Carney | City of Waukee | Supporting | GA90 |
| Cyndi Pederson | Iowa Association of Professional Fire Chiefs | Supporting | GA90 |
| Elizabeth Crimmings | Iowa Association of Professional Fire Chiefs | Supporting | GA90 |
| John Pederson | Iowa Association of Professional Fire Chiefs | Supporting | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA90 |
| Cyndi Pederson | Iowa Fire Chiefs Association | Supporting | GA90 |
| Elizabeth Crimmings | Iowa Fire Chiefs Association | Supporting | GA90 |
| John Pederson | Iowa Fire Chiefs Association | Supporting | GA90 |
| Cyndi Pederson | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| Elizabeth Crimmings | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| John Pederson | Iowa Firefighters Association (IFA) | Supporting | GA90 |
| Alan Kemp | Iowa League of Cities | Undecided | GA90 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA90 |
| Robert Palmer | Iowa League of Cities | Undecided | GA90 |
| Christopher Rants | Iowa Professional Fire Fighters | Supporting | GA90 |
| John Cacciatore | Iowa Professional Fire Fighters | Supporting | GA90 |
| Lon Anderson | Iowa Professional Fire Fighters | Supporting | GA90 |
| Jefferson Fink | Iowa Public Airports Association | Opposing | GA90 |
| Jim Obradovich | Iowa Public Airports Association | Opposing | GA90 |
| Victoria Sinclair | Iowa Public Airports Association | Opposing | GA90 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Undecided | GA90 |