| Amy Campbell | AARP Iowa | Supporting | GA88 |
| Brad Anderson | AARP Iowa | Supporting | GA88 |
| Craig Patterson | AARP Iowa | Supporting | GA88 |
| Eric Goranson | Habitat for Humanity of Iowa | Undecided | GA88 |
| Jay Iverson | Home Builders Association of Iowa | Opposing | GA88 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA88 |
| Michael Triplett | Iowa Alliance of Surety Companies | Supporting | GA88 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Supporting | GA88 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | 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 |
| Doug Struyk | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA88 |
| Jennifer Dorman | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA88 |
| Jim Carney | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA88 |
| Kelly Meyers | Iowa County Attorneys Association | Supporting | GA88 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Supporting | GA88 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA88 |
| Angela Davis | Iowa Lumber Association | Undecided | GA88 |
| Christopher Rants | Iowa Retired School Personnel Association | Supporting | GA88 |
| John Cacciatore | Iowa Retired School Personnel Association | Supporting | 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 |
| Monica McCarthy | Older Iowans Legislature | Supporting | GA88 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Undecided | GA88 |