| Brad Epperly | AIG-American International Companies | Undecided | GA88 |
| Dustin Miller | AIG-American International Companies | Undecided | GA88 |
| Katie Graham | AIG-American International Companies | Undecided | GA88 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA88 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA88 |
| David Adelman | Hubbell Realty Company | Supporting | GA88 |
| Frank Chiodo | Hubbell Realty Company | Supporting | GA88 |
| Matt Hinch | Hubbell Realty Company | Supporting | GA88 |
| Sara Allen | Hubbell Realty Company | Supporting | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Brad Lint | Iowa Association for Justice | Undecided | GA88 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | 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 |
| Joe Kelly | Iowa Manufactured Housing Association | Supporting | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Opposing | GA88 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA88 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA88 |
| Julie Smith | Master Builders of Iowa | Undecided | GA88 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA88 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA88 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Undecided | GA88 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA88 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA88 |
| David Adelman | Sheet Metal Contractors of Iowa | Supporting | GA88 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Supporting | GA88 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Supporting | GA88 |
| Sara Allen | Sheet Metal Contractors of Iowa | Supporting | GA88 |