| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Alex Hassel | City of Des Moines | Supporting | GA88 |
| Doug Struyk | City of Des Moines | Supporting | GA88 |
| Jen Schulte | City of Des Moines | Supporting | GA88 |
| Jennifer Dorman | City of Des Moines | Supporting | GA88 |
| Jim Carney | City of Des Moines | Supporting | GA88 |
| Brad Epperly | Eastlake Partnership | Undecided | GA88 |
| Dustin Miller | Eastlake Partnership | Undecided | GA88 |
| Katie Graham | Eastlake Partnership | Undecided | GA88 |
| Paula Dierenfeld | Eastlake Partnership | Undecided | GA88 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA88 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA88 |
| Michael Triplett | Greater Iowa Apartment Association | Opposing | GA88 |
| Michael Triplett | Greater Iowa Apartment Association | Undecided | GA88 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA88 |
| Bob Rafferty | Iowa American Water Co. | Undecided | GA88 |
| Rachel Ong | Iowa American Water Co. | Undecided | GA88 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA88 |
| Julie Smith | Iowa Association of Water Agencies | Undecided | GA88 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Supporting | GA88 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Supporting | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Jennifer Terry | Iowa Environmental Council | Supporting | GA88 |
| Jordan Oster | Iowa Environmental Council | Supporting | GA88 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA88 |
| Carolann Jensen | Iowa Finance Authority | Undecided | GA88 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Alexander Cutchey | Iowa Utilities Board | Undecided | GA88 |
| Anna Hyatt | Iowa Utilities Board | Undecided | GA88 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA88 |
| Jim Obradovich | Landlords of Iowa | Opposing | GA88 |
| Robert Mulqueen | Landlords of Iowa | Opposing | GA88 |