| Danielle Oswald-Thole | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA88 |
| Doug Struyk | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA88 |
| Jackie Cale | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA88 |
| Jennifer Dorman | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA88 |
| Jim Carney | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Michael Triplett | Greater Iowa Apartment Association | Undecided | GA88 |
| Eric Goranson | Habitat for Humanity of Iowa | Undecided | GA88 |
| Karla Fultz McHenry | Habitat for Humanity of Iowa | Undecided | GA88 |
| Jay Iverson | Home Builders Association of Iowa | Opposing | GA88 |
| David Adelman | Hubbell Realty Company | Undecided | GA88 |
| Frank Chiodo | Hubbell Realty Company | Undecided | GA88 |
| Matt Hinch | Hubbell Realty Company | Undecided | GA88 |
| Sara Allen | Hubbell Realty Company | Undecided | GA88 |
| Jim Obradovich | Iowa Association of Building Officials | Undecided | GA88 |
| Pete McRoberts | Iowa Association of Building Officials | Undecided | GA88 |
| Robert Mulqueen | Iowa Association of Building Officials | Undecided | GA88 |
| Jennifer Kingland | Iowa Association of Realtors | Opposing | GA88 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Supporting | GA88 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Supporting | GA88 |
| Jenica Lensmeyer | Iowa Bankers Association | Undecided | GA88 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA88 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA88 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA88 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Katie Graham | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Amy McCoy | Iowa Dept. of Public Health | Undecided | GA88 |
| Eric Bradley | Iowa Environmental Health Association | Supporting | GA88 |
| Joe Kelly | Iowa Manufactured Housing Association | Undecided | GA88 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA88 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA88 |